Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
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Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
S/N ALJU11001 & Above
S/N B37811001 & Above
S/N B3Z711001 & Above
Description
Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
FILE DETAILS:
Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
Language : English
Pages : 1316
Downloadable : Yes
File Type : PDF
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DESCRIPTION:
Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
S/N ALJU11001 & Above
S/N B37811001 & Above
S/N B3Z711001 & Above
FOREWORD:
This manual is for the Bobcat loader mechanic. It provides necessary servicing and adjustment procedures for the Bobcat loader and its component parts and systems. Refer to the Operation & Maintenance Manual for operating instructions, starting procedure, daily checks, etc.
A general inspection of the following items must be made after the loader has had service or repair:
TABLE OF CONTENTS:
Bobcat T590 Compact Track Loader Service Manual 6990693 – PDF DOWNLOAD
MAINTENANCE SAFETY.............................................................................................. 3 CONTENTS........................................................................................................ 5 FOREWORD........................................................................................................ 7 FOREWORD.................................................................................................... 9 SAFETY INSTRUCTIONS......................................................................................... 11 FIRE PREVENTION............................................................................................. 13 Maintenance............................................................................................. 13 Operation............................................................................................... 13 Electrical.............................................................................................. 13 Hydraulic System........................................................................................ 13 Fueling................................................................................................. 13 Starting................................................................................................ 13 Spark Arrester Exhaust System........................................................................... 13 Welding And Grinding.................................................................................... 14 Fire Extinguishers...................................................................................... 14 SERIAL NUMBER LOCATIONS..................................................................................... 15 Loader Serial Number.................................................................................... 15 Engine Serial Number.................................................................................... 15 DELIVERY REPORT............................................................................................. 16 LOADER IDENTIFICATION....................................................................................... 17 SAFETY AND MAINTENANCE.......................................................................................... 19 LIFTING AND BLOCKING THE LOADER............................................................................. 21 Procedure............................................................................................... 21 LIFT ARM SUPPORT DEVICE..................................................................................... 23 Description............................................................................................. 23 Installing.............................................................................................. 24 Removing................................................................................................ 25 OPERATOR CAB................................................................................................ 27 Description............................................................................................. 27 Raising................................................................................................. 28 Lowering................................................................................................ 29 Cab Door Sensor......................................................................................... 30 Special Applications Kit................................................................................ 31 Special Applications Kit Inspection And Maintenance..................................................... 31 Forestry Door And Window Kit............................................................................ 32 Forestry Door And Window Kit Inspection And Maintenance................................................. 32 TRANSPORTING THE LOADER ON A TRAILER........................................................................ 33 Loading And Unloading................................................................................... 33 Fastening............................................................................................... 33 TOWING THE LOADER........................................................................................... 35 Procedure............................................................................................... 35 REMOTE START TOOL KIT - MEL1563............................................................................. 37 Remote Start Tool - MEL1563............................................................................. 37 Service Tool Harness Communicator - MEL1566............................................................. 39 Remote Start Procedure.................................................................................. 39 REMOTE START TOOL (SERVICE TOOL) KIT - 7217666.............................................................. 43 Description............................................................................................. 43 Remote Start Tool (Service Tool) - 7022042.............................................................. 44 Loader Service Tool Harness - 6689747................................................................... 45 Computer Service Tool Harness - 6689746................................................................. 46 Remote Start Procedure.................................................................................. 47 SERVICE SCHEDULE............................................................................................ 51 Maintenance Intervals................................................................................... 51 ENGINE AIR CLEANER.......................................................................................... 53 Replacing Filter Elements............................................................................... 53 ENGINE COOLING SYSTEM....................................................................................... 55 Maintenance Platform.................................................................................... 55 Cleaning................................................................................................ 55 Checking And Adding Coolant............................................................................. 58 Removing And Replacing Coolant.......................................................................... 59 FUEL SYSTEM................................................................................................. 61 Fuel Specifications..................................................................................... 61 Biodiesel Blend Fuel.................................................................................... 61 Filling The Fuel Tank................................................................................... 62 Fuel Filter............................................................................................. 63 Removing Air From The Fuel System....................................................................... 64 ENGINE LUBRICATION SYSTEM................................................................................... 65 Checking And Adding Engine Oil.......................................................................... 65 Engine Oil Chart........................................................................................ 65 Removing And Replacing Oil And Filter................................................................... 66 HYDRAULIC / HYDROSTATIC SYSTEM.............................................................................. 69 Checking And Adding Fluid............................................................................... 69 Hydraulic / Hydrostatic Fluid Chart..................................................................... 69 Removing And Replacing Hydraulic Fluid.................................................................. 70 Removing And Replacing Hydraulic / Hydrostatic Filter................................................... 72 Removing And Replacing Hydraulic Charge Filter.......................................................... 73 Replacing Reservoir Breather Cap........................................................................ 75 BOB-TACH (HAND LEVER)....................................................................................... 77 Inspection And Maintenance.............................................................................. 77 BOB-TACH (POWER)............................................................................................ 79 Inspection And Maintenance.............................................................................. 79 LUBRICATING THE LOADER...................................................................................... 81 Lubrication Locations................................................................................... 81 Track Roller And Idler Lubrication...................................................................... 84 PIVOT PINS.................................................................................................. 85 Inspection And Maintenance.............................................................................. 85 LOADER STORAGE AND RETURN TO SERVICE........................................................................ 87 Storage................................................................................................. 87 Return To Service....................................................................................... 87 STOPPING THE ENGINE AND LEAVING THE LOADER.................................................................. 89 Procedure............................................................................................... 89 EMERGENCY EXIT.............................................................................................. 91 Rear Window Identification.............................................................................. 91 Rear Window Removal (Latches)........................................................................... 91 Rear Window Removal (Rubber Cord)....................................................................... 92 External Access (Rear Window With Latches).............................................................. 92 External Access (Rear Window With Rubber Cord).......................................................... 93 Front Door.............................................................................................. 94 SEAT BELT................................................................................................... 97 Inspection And Maintenance.............................................................................. 97 HYDRAULIC SYSTEM................................................................................................ 99 HYDRAULIC/HYDROSTATIC SCHEMATIC............................................................................. 103 HYDRAULIC SYSTEM INFORMATION................................................................................ 123 Glossary Of Hydraulic / Hydrostatic Symbols............................................................. 123 Troubleshooting......................................................................................... 127 CYLINDER (LIFT)............................................................................................. 129 Testing................................................................................................. 129 Removal And Installation................................................................................ 130 Parts Identification.................................................................................... 134 Disassembly............................................................................................. 135 Assembly................................................................................................ 137 CYLINDER (TILT)............................................................................................. 141 Testing................................................................................................. 141 Removal And Installation................................................................................ 142 Base End Pivot Pin Removal And Installation............................................................. 143 Parts Identification.................................................................................... 144 Disassembly............................................................................................. 145 Assembly................................................................................................ 147 CYLINDER (LIFT) (S/N B3Z711255 & ABOVE)..................................................................... 151 Testing................................................................................................. 151 Removal And Installation................................................................................ 152 Parts Identification.................................................................................... 156 Disassembly............................................................................................. 157 Assembly................................................................................................ 159 CYLINDER (TILT) (S/N B3Z711255 & ABOVE)..................................................................... 163 Testing................................................................................................. 163 Removal And Installation................................................................................ 164 Base End Pivot Pin Removal And Installation............................................................. 165 Parts Identification.................................................................................... 166 Disassembly............................................................................................. 167 Assembly................................................................................................ 169 CYLINDER (BOB-TACH)......................................................................................... 173 Testing................................................................................................. 173 Removal And Installation................................................................................ 174 Parts Identification.................................................................................... 175 Disassembly............................................................................................. 176 Assembly................................................................................................ 178 MAIN RELIEF VALVE........................................................................................... 181 Description............................................................................................. 181 Testing................................................................................................. 182 Adjusting............................................................................................... 184 Removal And Installation................................................................................ 185 HYDRAULIC CONTROL VALVE (STANDARD).......................................................................... 187 Description............................................................................................. 187 Removal And Installation................................................................................ 188 Mount Bracket Removal And Installation.................................................................. 191 Identification Chart.................................................................................... 192 Lift Load Check Valve Removal And Installation.......................................................... 193 Load Check Valve Removal And Installation (Tilt And Auxiliary).......................................... 194 Anti-Cavitation Valve Removal And Installation (Lift, Rod End).......................................... 195 Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End)........................... 195 Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End)........................... 196 Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End)............................ 196 Port Relief Valve Removal And Installation.............................................................. 197 Plug Removal And Installation........................................................................... 199 Rubber Boot Removal And Installation.................................................................... 200 End Cap Block Removal And Installation.................................................................. 200 Lift Spool And Detent Removal And Installation.......................................................... 201 Tilt Spool Removal And Installation..................................................................... 209 Auxiliary Spool Removal And Installation................................................................ 211 Auxiliary Solenoid Removal And Installation............................................................. 212 Solenoid Removal And Installation....................................................................... 213 Lock Valve Removal And Installation..................................................................... 214 Lift Arm Bypass Orifice Removal And Installation........................................................ 216 Main Relief Valve Removal And Installation.............................................................. 216 Check Valve Removal And Installation.................................................................... 217 HYDRAULIC CONTROL VALVE (ACS) OR (SJC)...................................................................... 219 Description............................................................................................. 219 Removal And Installation................................................................................ 219 Actuator Removal And Installation (In Loader)........................................................... 224 Actuator Removal And Installation (Out Of Loader)....................................................... 226 Identification Chart.................................................................................... 229 Mount Bracket Removal And Installation.................................................................. 230 Lift Load Check Valve Removal And Installation.......................................................... 230 Load Check Valve Removal And Installation (Tilt And Auxiliary).......................................... 231 Anti-Cavitation Valve Removal And Installation (Lift, Rod End).......................................... 232 Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End)........................... 232 Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End)........................... 233 Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End)............................ 233 Port Relief Valve Removal And Installation.............................................................. 234 Plug Removal And Installation........................................................................... 236 End Cap Block Removal And Installation.................................................................. 237 Lift Spool Removal And Installation..................................................................... 237 Lift Spool Disassembly And Assembly..................................................................... 239 Tilt Spool Removal And Installation..................................................................... 240 Auxiliary Spool Removal And Installation................................................................ 242 Auxiliary Solenoid Removal And Installation............................................................. 243 Solenoid Removal And Installation....................................................................... 244 Lock Valve Removal And Installation..................................................................... 245 Lift Arm Bypass Orifice Removal And Installation........................................................ 247 Main Relief Valve Removal And Installation.............................................................. 247 Check Valve Removal And Installation.................................................................... 248 LIFT ARM BYPASS CONTROL VALVE............................................................................... 249 Description............................................................................................. 249 Testing................................................................................................. 249 Removal And Installation................................................................................ 250 Bracket Removal And Installation........................................................................ 251 Disassembly And Assembly................................................................................ 251 HYDRAULIC PUMP.............................................................................................. 253 Description............................................................................................. 253 Pump Test At Quick Couplers............................................................................. 254 Direct Pump Test (Standard Section)..................................................................... 256 Direct Pump Test (Charge Section)....................................................................... 258 Removal And Installation................................................................................ 260 Hydraulic Pump Startup.................................................................................. 262 Parts Identification.................................................................................... 263 Disassembly And Assembly................................................................................ 264 HYDRAULIC PUMP (HIGH FLOW).................................................................................. 265 Description............................................................................................. 265 Pump Test At Quick Couplers............................................................................. 266 Direct Pump Test (Standard Section)..................................................................... 268 Direct Pump Test (Charge Section)....................................................................... 269 Direct Pump Test (High Flow Section).................................................................... 271 High Flow Relief Valve Adjustment....................................................................... 273 High Flow Relief Valve Removal And Installation......................................................... 274 Solenoid Removal And Installation....................................................................... 275 Removal And Installation................................................................................ 276 Hydraulic Pump Startup.................................................................................. 278 Parts Identification.................................................................................... 279 Disassembly And Assembly................................................................................ 280 HYDRAULIC / HYDROSTATIC FILTERS............................................................................. 281 Description............................................................................................. 281 Housing Removal And Installation........................................................................ 281 HYDRAULIC FLUID RESERVOIR................................................................................... 283 Description............................................................................................. 283 Removal And Installation................................................................................ 283 Hydraulic Fluid Screen.................................................................................. 284 OIL COOLER.................................................................................................. 285 Description............................................................................................. 285 Removal And Installation................................................................................ 285 BUCKET POSITION VALVE....................................................................................... 287 Description............................................................................................. 287 Solenoid Removal And Installation....................................................................... 287 Solenoid Testing........................................................................................ 289 Removal And Installation................................................................................ 289 Disassembly And Assembly................................................................................ 291 REAR AUXILIARY DIVERTER VALVE............................................................................... 293 Description............................................................................................. 293 Solenoid Testing........................................................................................ 293 Removal And Installation................................................................................ 294 Disassembly And Assembly................................................................................ 295 BOB-TACH (POWER) BLOCK (S/N ALJU11001 - ALJU15134 AND B37811001 - B37811048)................................ 301 Description............................................................................................. 301 Removal And Installation................................................................................ 301 Disassembly And Assembly................................................................................ 303 BOB-TACH (POWER) BLOCK (S/N ALJU15135 AND B37811049 & ABOVE)................................................ 311 Description............................................................................................. 311 Testing Relief Valve.................................................................................... 312 Removal And Installation................................................................................ 314 Disassembly And Assembly................................................................................ 316 FRONT AUXILIARY HYDRAULIC COUPLER BLOCK..................................................................... 321 Description............................................................................................. 321 Removal And Installation................................................................................ 322 Disassembly And Assembly (FFI/FI)....................................................................... 322 Disassembly And Assembly (FFH/FH)....................................................................... 324 AUTOMATIC RIDE CONTROL...................................................................................... 327 Description............................................................................................. 327 Removal And Installation................................................................................ 328 Checking The Pressure In The Accumulator................................................................ 331 Adding Nitrogen To The Accumulator...................................................................... 333 HYDROSTATIC SYSTEM.............................................................................................. 335 HYDROSTATIC SYSTEM INFORMATION.............................................................................. 337 Description............................................................................................. 337 Troubleshooting......................................................................................... 338 HYDROSTATIC DRIVE MOTOR (S/N ALJU11001 - ALJU19178 AND B37811001 - B37812060)............................... 339 Description............................................................................................. 339 Removing And Replacing Fluid............................................................................ 340 Removal And Installation................................................................................ 342 Parts Identification.................................................................................... 344 Disassembly............................................................................................. 346 Assembly................................................................................................ 354 HYDROSTATIC DRIVE MOTOR (S/N ALJU19179 AND B37812061 & ABOVE)............................................... 363 Description............................................................................................. 363 Removing And Replacing Fluid............................................................................ 364 Removal And Installation................................................................................ 365 Parts Identification (MCR5T)............................................................................ 367 Parts Identification (MCR6T) (Two-Speed)................................................................ 368 Disassembly And Assembly................................................................................ 369 CHARGE PRESSURE............................................................................................. 379 Description............................................................................................. 379 Testing................................................................................................. 380 Adjusting............................................................................................... 382 Sender Removal And Installation (Earlier Models)........................................................ 384 Sender Removal And Installation (Later Models).......................................................... 384 HYDROSTATIC PUMP............................................................................................ 385 Description............................................................................................. 385 Removal And Installation................................................................................ 386 Hydrostatic Pump Startup................................................................................ 387 Replenishing / High Pressure Relief Valve Removal And Installation...................................... 388 Parts Identification (Left Half)........................................................................ 389 Parts Identification (Right Half)....................................................................... 390 Disassembly............................................................................................. 391 Assembly................................................................................................ 398 HYDROSTATIC PUMP (SJC)...................................................................................... 405 Description............................................................................................. 405 Hydraulic Controller Removal And Installation........................................................... 406 Removal And Installation................................................................................ 408 Hydrostatic Pump Startup................................................................................ 410 Parts Identification.................................................................................... 411 High Pressure Relief And Bypass Valve................................................................... 412 Charge Relief Valve..................................................................................... 413 Disassembly And Assembly................................................................................ 414 Mechanical Neutral Adjustment........................................................................... 427 Hydraulic Controller Neutral Adjustment................................................................. 430 HYDROSTATIC PUMP (SJC) (S/N ALJU26335 & ABOVE).............................................................. 433 Description............................................................................................. 433 Port Locations And Gauge Installation................................................................... 434 Removal And Installation................................................................................ 435 Hydrostatic Pump Startup................................................................................ 437 Parts Identification.................................................................................... 438 High Pressure Relief And Bypass Valve................................................................... 441 Charge Pressure Relief Valve............................................................................ 442 Disassembly And Assembly................................................................................ 443 Mechanical Neutral Adjustment........................................................................... 455 Hydraulic Controller Neutral Adjustment................................................................. 457 DRIVE BELT.................................................................................................. 461 Belt Adjustment......................................................................................... 461 Stop Adjustment......................................................................................... 461 Belt Replacement........................................................................................ 462 Tensioner Pulley Removal And Installation (Earlier Models).............................................. 464 Tensioner Pulley Disassembly And Assembly............................................................... 464 Tensioner Pulley Removal And Installation (Later Models)................................................ 465 Tensioner Pulley Disassembly And Assembly............................................................... 465 TWO-SPEED / BRAKE VALVE..................................................................................... 467 Description............................................................................................. 467 Valve Block Removal And Installation.................................................................... 468 Valve Block Disassembly And Assembly.................................................................... 470 DRAIN MANIFOLD.............................................................................................. 473 Description............................................................................................. 473 Drain Manifold Removal And Installation................................................................. 473 DRIVE SYSTEM.................................................................................................... 475 BRAKE....................................................................................................... 477 Description............................................................................................. 477 Block Removal And Installation.......................................................................... 477 Block Disassembly And Assembly.......................................................................... 479 TRACK UNDERCARRIAGE COMPONENTS (SOLID-MOUNTED) (S/N ALJU11001 - ALJU18000 AND B37811001 - B37812000)........ 481 Description............................................................................................. 481 Checking Tension........................................................................................ 482 Adjusting Tension....................................................................................... 483 Track Removal And Installation.......................................................................... 485 Idler (Front) Removal And Installation.................................................................. 487 Track Tensioner Disassembly And Assembly................................................................ 490 Idler (Rear) Removal And Installation................................................................... 492 Roller Removal And Installation......................................................................... 492 Sprocket Removal And Installation....................................................................... 493 Track Housing Removal And Installation.................................................................. 494 TRACK UNDERCARRIAGE COMPONENTS (ROLLER SUSPENSION) (S/N ALJU11001 - ALJU18000 AND B37811001 - B37812000).... 497 Description............................................................................................. 497 Checking Tension........................................................................................ 498 Adjusting Tension....................................................................................... 499 Track Removal And Installation.......................................................................... 501 Idler (Front) Removal And Installation.................................................................. 503 Track Tensioner Disassembly And Assembly................................................................ 506 Idler (Rear) Removal And Installation................................................................... 508 Roller Removal And Installation......................................................................... 508 Leaf Spring Removal And Installation.................................................................... 509 Sprocket Removal And Installation....................................................................... 510 Track Housing Removal And Installation.................................................................. 511 TRACK UNDERCARRIAGE COMPONENTS (SOLID-MOUNTED) (S/N ALJU18001 AND B37812001 & ABOVE)........................ 513 Description............................................................................................. 513 Checking (Solid-Mounted Undercarriage).................................................................. 515 Adjusting (Solid-Mounted Undercarriage) (Earlier Models With Two Track Tension Fittings)................ 516 Adjusting (Solid-Mounted Undercarriage) (Later Models With One Track Tension Fitting)................... 517 Track Removal And Installation.......................................................................... 518 Idler (Front) Removal And Installation.................................................................. 521 Track Tensioner Removal And Installation................................................................ 522 Track Tensioner Disassembly And Assembly................................................................ 523 Idler (Rear) Removal And Installation................................................................... 525 Roller Removal And Installation......................................................................... 525 Sprocket Removal And Installation (Twelve Bolt Sprocket)................................................ 526 Sprocket Removal And Installation (Sixteen Bolt Sprocket)............................................... 526 TRACK UNDERCARRIAGE COMPONENTS (ROLLER SUSPENSION) (S/N ALJU18001 AND B37812001 & ABOVE).................... 527 Description............................................................................................. 527 Checking (Roller Suspension Undercarriage).............................................................. 529 Adjusting (Roller Suspension Undercarriage) (Earlier Models With Two Track Tension Fittings)............ 530 Adjusting (Roller Suspension Undercarriage) (Later Models With One Track Tension Fitting)............... 531 Track Removal And Installation.......................................................................... 532 Idler (Front) Removal And Installation.................................................................. 535 Track Tensioner Removal And Installation................................................................ 536 Track Tensioner Disassembly And Assembly................................................................ 537 Idler (Rear) Removal And Installation................................................................... 539 Roller Removal And Installation......................................................................... 539 Leaf Spring Removal And Installation.................................................................... 540 Sprocket Removal And Installation (Twelve Bolt Sprocket)................................................ 541 Sprocket Removal And Installation (Sixteen Bolt Sprocket)............................................... 541 TRACK MAINTENANCE........................................................................................... 543 Track Damage Identification............................................................................. 543 MAINFRAME....................................................................................................... 555 SEAT BAR.................................................................................................... 559 Description............................................................................................. 559 Removal And Installation................................................................................ 559 Disassembly And Assembly................................................................................ 560 Compression Spring Disassembly And Assembly............................................................. 561 OPERATOR CAB................................................................................................ 563 Gas Spring Removal And Installation..................................................................... 563 Gas Spring Bracket Disassembly And Assembly............................................................. 564 Removal And Installation................................................................................ 564 OPERATOR SEAT (SUSPENSION).................................................................................. 567 Removal And Installation................................................................................ 567 Slide Rail Removal And Installation..................................................................... 567 Seat Belt Removal And Installation...................................................................... 568 Lower Cushion Removal................................................................................... 568 Lower Cushion Installation.............................................................................. 569 Back Cushion Removal And Installation................................................................... 569 Shock Removal And Installation.......................................................................... 570 3-Point Seat Belt Removal And Installation.............................................................. 570 BOB-TACH (HAND LEVER)....................................................................................... 573 Description............................................................................................. 573 Removal And Installation................................................................................ 573 Lever And Wedge Disassembly And Assembly................................................................ 576 Pivot Pin Bushing And Seal Removal And Installation..................................................... 578 BOB-TACH (POWER)............................................................................................ 579 Description............................................................................................. 579 Removal And Installation................................................................................ 579 Lever And Wedge Disassembly And Assembly................................................................ 582 Pivot Pin Bushing And Seal Removal And Installation..................................................... 584 LIFT ARMS................................................................................................... 585 Stabilizer Bar Removal And Installation................................................................. 585 Link Removal And Installation........................................................................... 586 Removal And Installation................................................................................ 587 REAR GRILLE................................................................................................. 591 Removing................................................................................................ 591 Installing.............................................................................................. 591 Shield Removal And Installation......................................................................... 592 REAR DOOR (TAILGATE)........................................................................................ 593 Removal And Installation................................................................................ 593 Striker Removal And Installation........................................................................ 594 Striker Disassembly And Assembly........................................................................ 594 Striker (Adjusting)..................................................................................... 595 Latch Removal And Installation.......................................................................... 596 FUEL TANK................................................................................................... 597 Removal And Installation................................................................................ 597 Fuel Level Sender Removal And Installation.............................................................. 599 Fuel Fill Screen Removal And Installation............................................................... 599 CONTROL PEDALS AND LINKAGES................................................................................. 601 Description............................................................................................. 601 Pedal Removal And Installation.......................................................................... 601 Linkage Removal And Installation........................................................................ 602 Pedal (Adjusting)....................................................................................... 603 Floor Pan Removal And Installation...................................................................... 604 CONTROL PEDALS AND LINKAGES (ACS)........................................................................... 605 Description............................................................................................. 605 Pedal Removal And Installation.......................................................................... 605 Linkage Removal And Installation........................................................................ 606 Pedal (Adjusting)....................................................................................... 606 Floor Pan Removal And Installation...................................................................... 607 CONTROL PANEL............................................................................................... 609 Description............................................................................................. 609 Removal And Installation................................................................................ 610 Disassembly And Assembly................................................................................ 611 Linkage Removal And Installation........................................................................ 616 Pintle Arm Disassembly And Assembly..................................................................... 619 Linkage Neutral (Adjusting)............................................................................. 620 Linkage Travel (Adjusting).............................................................................. 624 Shock Removal And Installation.......................................................................... 628 CONTROL PANEL (SJC)......................................................................................... 629 Description............................................................................................. 629 Removal And Installation................................................................................ 629 CONTROL HANDLE / LEVER...................................................................................... 631 Description............................................................................................. 631 Lever Removal And Installation.......................................................................... 631 Boot Removal And Installation........................................................................... 632 CONTROL HANDLE / LEVER (ACS)................................................................................ 633 Description............................................................................................. 633 Handle Sensor Removal And Installation.................................................................. 633 Handle Removal And Installation......................................................................... 636 Handle Disassembly And Assembly......................................................................... 637 Lever Removal And Installation.......................................................................... 637 Boot Removal And Installation........................................................................... 638 CONTROL HANDLE / LEVER (SJC)................................................................................ 639 Description............................................................................................. 639 Joystick Testing........................................................................................ 639 Joystick Removal And Installation....................................................................... 640 ACCESS PANEL (INSIDE)....................................................................................... 641 Removal And Installation (Left)......................................................................... 641 Removal And Installation (Right)........................................................................ 641 ACCESS PANEL (INSIDE) (SJC)................................................................................. 643 Removal And Installation (Left)......................................................................... 643 Removal And Installation (Right)........................................................................ 643 WINDOW (REAR)............................................................................................... 645 Rear Window Identification.............................................................................. 645 Removal And Installation (Latches)...................................................................... 645 Disassembly And Assembly (Latches)...................................................................... 646 Removal (Rubber Cord)................................................................................... 647 Installation (Rubber Cord).............................................................................. 648 WINDOW (TOP)................................................................................................ 651 Removal And Installation................................................................................ 651 WINDOW (SIDE)............................................................................................... 653 Removal And Installation................................................................................ 653 CAB DOOR.................................................................................................... 655 Description............................................................................................. 655 Removal And Installation................................................................................ 655 Disassembly And Assembly................................................................................ 656 Aligning................................................................................................ 657 Adjusting............................................................................................... 658 Checking Operation...................................................................................... 658 ARMREST..................................................................................................... 659 Description............................................................................................. 659 Removal And Installation................................................................................ 660 Disassembly And Assembly................................................................................ 661 LEFT SIDE LOWER PANEL....................................................................................... 663 Removal And Installation................................................................................ 663 Disassembly And Assembly................................................................................ 665 RIGHT SIDE LOWER PANEL...................................................................................... 667 Removal And Installation................................................................................ 667 Disassembly And Assembly................................................................................ 668 HEADLINER................................................................................................... 671 Removal And Installation................................................................................ 671 FAN DUCT PANELS............................................................................................. 673 Removal And Installation................................................................................ 673 ELECTRICAL SYSTEM............................................................................................... 675 ELECTRICAL SCHEMATIC........................................................................................ 681 ELECTRICAL SYSTEM INFORMATION............................................................................... 887 Glossary Of Electrical Symbols.......................................................................... 887 Standard Cab Harness Connectors......................................................................... 890 Deluxe Cab Harness Connectors........................................................................... 891 Mainframe Harness Connectors - Manual Controls.......................................................... 892 Mainframe Harness Connectors - SJC...................................................................... 893 Description............................................................................................. 894 Troubleshooting......................................................................................... 895 Fuse And Relay Location / Identification................................................................ 896 Solenoid Testing........................................................................................ 899 BATTERY..................................................................................................... 901 Removal And Installation................................................................................ 901 Battery Maintenance..................................................................................... 902 Maintaining Battery Charge Level........................................................................ 902 Battery Service During Machine Storage.................................................................. 902 Battery Testing......................................................................................... 903 Battery Charging........................................................................................ 903 Using A Booster Battery (Jump Starting)................................................................. 904 ALTERNATOR.................................................................................................. 905 Belt Adjustment......................................................................................... 905 Belt Replacement........................................................................................ 905 Charging System Inspection.............................................................................. 906 Alternator Voltage Testing.............................................................................. 907 Low Voltage Testing..................................................................................... 907 High Voltage Testing.................................................................................... 908 Removal And Installation................................................................................ 909 Parts Identification.................................................................................... 911 STARTER..................................................................................................... 913 Testing................................................................................................. 913 Removal And Installation................................................................................ 913 Parts Identification.................................................................................... 914 INSTRUMENT PANELS........................................................................................... 915 Left Panel.............................................................................................. 915 Display Screen.......................................................................................... 917 Right Panel (Standard Key Panel)........................................................................ 918 Right Panel (Keyless Start Panel)....................................................................... 919 Right Panel (Deluxe Instrumentation Panel).............................................................. 920 Left Switch Panel....................................................................................... 922 Right Switch Panel...................................................................................... 922 Left Side Lower Panel................................................................................... 923 Right Side Lower Panel.................................................................................. 923 Left Panel Removal And Installation..................................................................... 924 Right Panel (Standard Key Panel) Removal And Installation............................................... 924 Right Panel (Keyless Start Panel) Removal And Installation.............................................. 925 Right Panel (Deluxe Instrumentation Panel) Removal And Installation..................................... 925 Key Switch Disassembly And Assembly..................................................................... 926 Alarm Disassembly And Assembly.......................................................................... 926 Left Switch Panel Removal And Installation.............................................................. 927 Right Switch Panel Removal And Installation............................................................. 927 LIGHTS...................................................................................................... 929 Front Removal And Installation.......................................................................... 929 Rear Removal And Installation........................................................................... 930 Cab Light Removal And Installation...................................................................... 930 BOBCAT CONTROLLERS (GATEWAY AND AUXILIARY).................................................................. 931 Description............................................................................................. 931 Connector Identification................................................................................ 932 Removal And Installation................................................................................ 938 BOBCAT CONTROLLER (ACS)..................................................................................... 939 Description............................................................................................. 939 Connector And Wire Identification....................................................................... 940 Removal And Installation................................................................................ 941 BOBCAT CONTROLLER (SJC) (DRIVE)............................................................................. 943 Description............................................................................................. 943 Connector Identification................................................................................ 944 Removal And Installation................................................................................ 946 ENGINE CONTROL UNIT (ECU)................................................................................... 947 Description............................................................................................. 947 Cleaning................................................................................................ 948 Removal And Installation................................................................................ 949 DIAGNOSTIC SERVICE CODES.................................................................................... 951 Viewing Service Codes................................................................................... 951 Service Codes List...................................................................................... 952 BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)..................................................................... 961 Description............................................................................................. 961 Inspecting The BICS™ (Engine STOPPED - Key ON).......................................................... 962 Inspecting Deactivation Of The Auxiliary Hydraulics System (Engine STOPPED - Key ON).................... 962 Inspecting The Seat Bar Sensor (Engine RUNNING)......................................................... 962 Inspecting The Traction Lock And Parking Brake (Engine RUNNING)......................................... 962 Inspecting The Lift Arm Bypass Control.................................................................. 962 Inspecting Deactivation Of Lift And Tilt Functions (ACS And SJC)........................................ 962 Troubleshooting......................................................................................... 963 SEAT BAR SENSOR............................................................................................. 965 Description............................................................................................. 965 Troubleshooting......................................................................................... 965 Testing................................................................................................. 966 Removal................................................................................................. 967 Installation............................................................................................ 969 Bobcat Interlock Control System (BICS™) Circuit Test.................................................... 970 TRACTION LOCK............................................................................................... 973 Description............................................................................................. 973 Troubleshooting......................................................................................... 974 Inspecting.............................................................................................. 975 CONTROL SYSTEM (ACS)........................................................................................ 977 Description............................................................................................. 977 Troubleshooting......................................................................................... 978 Handle Sensor Connector Disassembly And Assembly........................................................ 979 Switch Handle Removal................................................................................... 980 Switch Handle Installation.............................................................................. 982 Actuator Connector Disassembly And Assembly............................................................. 985 Handle Lock Solenoid Removal And Installation........................................................... 986 Handle Lock Solenoid Disassembly And Assembly........................................................... 986 Foot Sensor Removal And Installation.................................................................... 987 Foot Sensor Disassembly And Assembly.................................................................... 988 Foot Sensor Lock Solenoid Removal And Installation...................................................... 988 ELECTRICAL / HYDRAULIC CONTROLS............................................................................. 989 Identification Chart.................................................................................... 989 Description............................................................................................. 990 Identification Chart ACD Group 0........................................................................ 991 Identification Chart ACD Group 1........................................................................ 992 Identification Chart ACD Group 2........................................................................ 993 Identification Chart ACD Group 3........................................................................ 994 ELECTRICAL / HYDRAULIC CONTROLS (ACS)....................................................................... 995 Identification Chart.................................................................................... 995 Description............................................................................................. 996 Identification Chart ACD Group 0........................................................................ 997 Identification Chart ACD Group 1........................................................................ 998 Identification Chart ACD Group 2........................................................................ 999 Identification Chart ACD Group 3........................................................................1000 ELECTRICAL / HYDRAULIC CONTROLS (SJC).......................................................................1001 Identification Chart....................................................................................1001 Description.............................................................................................1002 Identification Chart ACD Group 0........................................................................1003 Identification Chart ACD Group 1........................................................................1004 Identification Chart ACD Group 2........................................................................1005 Identification Chart ACD Group 3........................................................................1006 SERVICE PC (LAPTOP COMPUTER)................................................................................1007 Connecting Remote Start Tool............................................................................1007 Connecting Remote Start Tool (Service Tool).............................................................1007 CALIBRATION.................................................................................................1009 Description.............................................................................................1009 Actuator Testing........................................................................................1009 Lift And Tilt Calibration (SJC).........................................................................1012 Hydrostatic Pump Calibration (SJC)......................................................................1014 Lift And Tilt Calibration (ACS).........................................................................1019 STEERING DRIFT COMPENSATION (OPERATOR MODE).................................................................1021 Description.............................................................................................1021 Operation...............................................................................................1021 STEERING DRIFT COMPENSATION (SERVICE MODE)..................................................................1023 Description.............................................................................................1023 Operation...............................................................................................1023 CONTROL PANEL SETUP.........................................................................................1025 Right Panel Setup (Deluxe Instrumentation Panel)........................................................1025 PASSWORD SETUP (DELUXE INSTRUMENTATION PANEL)...............................................................1029 Password Description....................................................................................1029 Changing The Owner Password.............................................................................1029 Changing The User Passwords.............................................................................1030 Password Lockout Feature................................................................................1030 PASSWORD SETUP (KEYLESS START PANEL)........................................................................1031 Password Description....................................................................................1031 Changing The Owner Password.............................................................................1031 Password Lockout Feature................................................................................1031 MAINTENANCE CLOCK...........................................................................................1033 Description.............................................................................................1033 Setup...................................................................................................1034 Reset...................................................................................................1037 BACK-UP ALARM SYSTEM........................................................................................1039 Description.............................................................................................1039 Inspecting..............................................................................................1039 Adjusting Switch Position...............................................................................1040 Troubleshooting (Standard And ACS)......................................................................1041 Troubleshooting (Joystick)..............................................................................1042 Alarm Removal And Installation..........................................................................1043 Switch Removal And Installation.........................................................................1043 FRONT HORN..................................................................................................1045 Removal And Installation................................................................................1045 Troubleshooting.........................................................................................1046 Troubleshooting (Joystick)..............................................................................1047 ENGINE SPEED CONTROL (HAND).................................................................................1049 Removal And Installation................................................................................1049 ENGINE SPEED CONTROL (FOOT).................................................................................1051 Removal And Installation................................................................................1051 Disassembly And Assembly................................................................................1052 Foot Throttle Calibration...............................................................................1054 CAMSHAFT AND CRANKSHAFT POSITION SENSOR.....................................................................1057 Removal And Installation................................................................................1057 TELEMATICS..................................................................................................1059 Description.............................................................................................1059 Removal And Installation................................................................................1059 Procedure...............................................................................................1060 ENGINE SERVICE..................................................................................................1061 ENGINE INFORMATION..........................................................................................1065 Description.............................................................................................1065 Specifications..........................................................................................1066 Sensor Location.........................................................................................1068 Torque Values...........................................................................................1074 Troubleshooting.........................................................................................1076 Engine Removal And Installation.........................................................................1078 Engine Mount Replacement................................................................................1088 Compression - Testing...................................................................................1090 Injector Signal - Testing...............................................................................1092 Injector Signal - Testing (In-Line).....................................................................1094 Oil Pressure Testing (At Oil Sensor On Block)...........................................................1096 Oil Pressure Testing (At Turbocharger Oil Inlet)........................................................1098 DIESEL OXIDATION CATALYST (DOC).............................................................................1101 Removal And Installation................................................................................1101 AIR CLEANER.................................................................................................1103 Housing Removal And Installation........................................................................1103 ENGINE COOLING SYSTEM (EARLIER MODELS)......................................................................1105 Radiator / Oil Cooler Removal And Installation..........................................................1105 Hydraulic Fan Description...............................................................................1108 Fan Duct Removal And Installation.......................................................................1108 Hydraulic Fan Motor Assembly Removal And Installation...................................................1109 Hydraulic Fan Motor Removal And Installation............................................................1110 Hydraulic Fan Motor Disassembly And Assembly............................................................1112 Blower Housing Removal And Installation.................................................................1113 Water Pump Removal And Installation.....................................................................1114 Thermostat Housing Removal And Installation.............................................................1115 Testing The Thermostat..................................................................................1116 ENGINE COOLING SYSTEM (LATER MODELS)........................................................................1117 Radiator / Oil Cooler Removal And Installation..........................................................1117 Hydraulic Fan Description...............................................................................1119 Reversible Hydraulic Fan Description....................................................................1120 Fan Duct Removal And Installation.......................................................................1120 Hydraulic Fan Motor Assembly Removal And Installation...................................................1121 Hydraulic Fan Motor Removal And Installation............................................................1122 Hydraulic Fan Motor Disassembly And Assembly............................................................1124 Blower Housing Removal And Installation.................................................................1132 Water Pump Removal And Installation.....................................................................1133 Thermostat Housing Removal And Installation.............................................................1134 Testing The Thermostat..................................................................................1135 LUBRICATION SYSTEM..........................................................................................1137 Description.............................................................................................1137 Oil Pan Removal And Installation........................................................................1138 Oil Pump Removal And Installation.......................................................................1139 Oil Pump Relief Valve Description.......................................................................1140 Oil Pump Relief Valve Removal And Installation..........................................................1140 Oil Cooler Removal And Installation.....................................................................1141 Oil Filter Head Removal And Installation................................................................1142 Oil Cooler Bypass Description...........................................................................1143 Oil Cooler Bypass Removal And Installation..............................................................1143 FUEL SYSTEM.................................................................................................1145 Description.............................................................................................1145 Transfer Pump / High Pressure Pump Removal And Installation.............................................1146 Fuel Temperature Sensor Removal And Installation........................................................1148 Fuel Cooler Removal And Installation....................................................................1149 Fuel Bypass Valve Removal And Installation..............................................................1149 Fuel Recirculation Valve Removal And Installation.......................................................1150 Fuel Rail Assembly Removal And Installation.............................................................1151 Fuel Injector Removal And Installation..................................................................1152 Injector Coding.........................................................................................1154 Removing Air From The Fuel System.......................................................................1156 CYLINDER HEAD...............................................................................................1159 Glow Plugs Testing......................................................................................1159 Glow Plug Removal And Installation......................................................................1160 Valve Clearance Adjustment..............................................................................1161 Cylinder Head Removal And Installation..................................................................1163 Cylinder Head Disassembly And Assembly..................................................................1168 Cylinder Head Inspection................................................................................1169 Cylinder Head Top Clearance.............................................................................1170 Valve Step Height.......................................................................................1171 Valve Stem Height.......................................................................................1171 Valve Guide.............................................................................................1172 Valve...................................................................................................1172 Valve Spring............................................................................................1173 Rocker Arm Shaft Disassembly And Assembly...............................................................1174 Rocker Arm Shaft Inspection.............................................................................1175 Push Rod Inspection.....................................................................................1175 CRANKSHAFT AND PISTONS......................................................................................1177 Piston And Connecting Rod Removal And Installation......................................................1177 Piston And Connecting Rod Inspection....................................................................1178 Crankshaft Removal And Installation.....................................................................1180 Cylinder Block Inspection...............................................................................1183 Crankshaft Inspection...................................................................................1185 Connecting Rod Inspection...............................................................................1185 Engine Component Class..................................................................................1186 CAMSHAFT....................................................................................................1189 Removal And Installation................................................................................1189 Inspecting..............................................................................................1190 GEARCASE....................................................................................................1193 Gearcase Cover Removal And Installation.................................................................1193 Gear Backlash...........................................................................................1194 Gear Timing.............................................................................................1195 Idle Gear Removal And Installation......................................................................1196 Idle Gear Inspection....................................................................................1196 TURBOCHARGER................................................................................................1197 Description.............................................................................................1197 Removal And Installation................................................................................1197 Inspection..............................................................................................1200 FLYWHEEL AND HOUSING........................................................................................1201 Flywheel Removal And Installation.......................................................................1201 Ring Gear Removal And Installation......................................................................1202 Housing Removal And Installation........................................................................1202 EXHAUST GAS RECIRCULATION (EGR) SYSTEM......................................................................1203 Description.............................................................................................1203 Removal And Installation................................................................................1204 Disassembly And Assembly................................................................................1208 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)................................................................1211 AIR CONDITIONING SYSTEM FLOW................................................................................1213 Description.............................................................................................1213 Chart...................................................................................................1214 Components..............................................................................................1215 Safety Equipment........................................................................................1218 REGULAR MAINTENANCE.........................................................................................1219 Filters.................................................................................................1219 Belt Adjustment.........................................................................................1220 Belt Replacement........................................................................................1220 Air Conditioning Condenser..............................................................................1220 Air Conditioning Lubrication............................................................................1220 Air Conditioning Service Chart..........................................................................1221 Evaporator / Heater Coil................................................................................1222 TROUBLESHOOTING.............................................................................................1225 Blower Motor Does Not Operate...........................................................................1225 Blower Motor Operates Normally, But Air Flow Is Insufficient............................................1225 Insufficient Cooling Although Air Flow And Compressor Operation Are Normal..............................1225 The Compressor Does Not Operate At All, Or Operates Improperly..........................................1225 Gauge Pressure Related Troubleshooting..................................................................1226 Troubleshooting Tree....................................................................................1228 Temperature / Pressure Chart............................................................................1232 Poor A/C Performance....................................................................................1234 HVAC Repair And Leaks...................................................................................1235 Electrical System.......................................................................................1236 Engine Coolant Bypassing The Heater Valve...............................................................1242 Heater Valve Not Opening Or Closing.....................................................................1243 SYSTEM CHARGING AND RECLAMATION.............................................................................1245 Refrigerant Identification..............................................................................1245 Reclamation And Charging With Recovery / Charging Unit..................................................1246 COMPRESSOR..................................................................................................1249 Removal And Installation................................................................................1249 Oil.....................................................................................................1251 Oil Check...............................................................................................1252 CONDENSER...................................................................................................1255 Removal And Installation................................................................................1255 RECEIVER / DRIER............................................................................................1257 Receiver / Drier Removal And Installation...............................................................1257 Pressure Switch Removal And Installation................................................................1259 Schrader® Valve Removal And Installation................................................................1260 EVAPORATOR / HEATER UNIT....................................................................................1261 Removal And Installation................................................................................1261 THERMOSTAT..................................................................................................1263 Description.............................................................................................1263 Removal And Installation................................................................................1264 EXPANSION VALVE.............................................................................................1265 Removal And Installation................................................................................1265 EVAPORATOR COIL.............................................................................................1267 Removal And Installation................................................................................1267 HEATER COIL.................................................................................................1269 Removal And Installation................................................................................1269 BLOWER FAN..................................................................................................1271 Removal And Installation................................................................................1271 Disassembly And Assembly................................................................................1271 HEATER VALVE................................................................................................1275 Removal And Installation................................................................................1275 EVAPORATOR / HEATER COVER...................................................................................1277 Removing................................................................................................1277 Installing..............................................................................................1277 SPECIFICATIONS..................................................................................................1279 (T590) LOADER SPECIFICATIONS................................................................................1281 Machine Dimensions......................................................................................1281 Performance.............................................................................................1282 Engine..................................................................................................1282 Drive System............................................................................................1283 Controls................................................................................................1283 Hydraulic System........................................................................................1284 Electrical System.......................................................................................1285 Capacities..............................................................................................1285 Tracks..................................................................................................1286 Ground Pressure.........................................................................................1286 TECHINCAL SERVICE GUIDE SPECIFICATIONS......................................................................1287 Engine..................................................................................................1287 Engine Torques..........................................................................................1287 Cooling System..........................................................................................1287 Loader Torques..........................................................................................1288 Hydraulic / Hydrostatic System..........................................................................1288 Fuel Consumption........................................................................................1288 TORQUE SPECIFICATIONS FOR BOLTS.............................................................................1289 Torque For General SAE Bolts............................................................................1289 Torque For General Metric Bolts.........................................................................1290 HYDRAULIC CONNECTION SPECIFICATIONS.........................................................................1291 Straight Thread O-ring Fitting..........................................................................1291 Flare Fitting...........................................................................................1292 Tubelines And Hoses.....................................................................................1292 HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS................................................................1293 Specifications..........................................................................................1293 CONVERSIONS.................................................................................................1295 Decimal And Millimeter Equivalent Chart.................................................................1295 U.S. To Metric Conversion Chart.........................................................................1295 SERVICE TOOLS REQUIRED......................................................................................1297 Remote Start Tools......................................................................................1297 Hydraulic Tools.........................................................................................1298 Mainframe And Drive Tools...............................................................................1301 Electrical Tools........................................................................................1304 Engine Tools............................................................................................1305 HVAC Tools..............................................................................................1310 ALPHABETICAL INDEX..............................................................................................1311
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