Bobcat S450 Skid-Steer Loader Service Manual SN B1ED11001 & Above – PDF DOWNLOAD

Description

Bobcat S450 Skid-Steer Loader Service Manual SN B1ED11001 & Above – PDF DOWNLOAD

FILE DETAILS:

Bobcat S450 Skid-Steer Loader Service Manual SN B1ED11001 & Above – PDF DOWNLOAD

Language : English
Pages : 996
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Bobcat S450 Skid-Steer Loader Service Manual SN B1ED11001 & Above – PDF DOWNLOAD

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 S450 Skid-Steer Loader Service Manual SN B1ED11001 & Above – 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 23
Procedure 23
LIFT ARM SUPPORT DEVICE 25
Description 25
Installing 26
Removing 27
OPERATOR CAB 29
Description 29
Cab Door Sensor 29
Raising 30
Lowering 31
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 Filters 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 Filters 63
Removing Air From The Fuel System 65
ENGINE LUBRICATION SYSTEM 67
Checking And Adding Engine Oil 67
Engine Oil Chart 67
Removing And Replacing Oil And Filter 68
HYDRAULIC / HYDROSTATIC SYSTEM 71
Checking And Adding Fluid 71
Hydraulic / Hydrostatic Fluid Chart 71
Removing And Replacing Hydraulic Fluid 72
Removing And Replacing Hydraulic / Hydrostatic Filter 75
Removing And Replacing Hydraulic Charge Filter 76
Replacing Reservoir Breather Cap 78
FINAL DRIVE TRANSMISSION (CHAINCASE) 79
Checking And Adding Fluid 79
Removing And Replacing Fluid 79
BOB-TACH (HAND LEVER) 81
Inspection And Maintenance 81
BOB-TACH (POWER) 83
Inspection And Maintenance 83
LUBRICATING THE LOADER 85
Lubrication Locations 85
TIRE MAINTENANCE 89
Wheel Nuts 89
Rotating 89
Mounting 90
SPARK ARRESTER MUFFLER 91
Cleaning Procedure 91
PIVOT PINS 93
Inspection And Maintenance 93
LOADER STORAGE AND RETURN TO SERVICE 95
Storage 95
Return To Service 95
STOPPING THE ENGINE AND LEAVING THE LOADER 97
Procedure 97
EMERGENCY EXIT 99
Rear Window Identification 99
Rear Window Removal (Latches) 99
Rear Window Removal (Rubber Cord) 99
External Access (Rear Window With Latches) 100
External Access (Rear Window With Rubber Cord) 100
Front Door 101
SEAT BELT 103
Inspection And Maintenance 103
HYDRAULIC SYSTEM 105
HYDRAULIC / HYDROSTATIC SCHEMATICS 109
HYDRAULIC SYSTEM INFORMATION 125
Glossary Of Hydraulic / Hydrostatic Symbols 125
Troubleshooting 129
CYLINDER (LIFT) 131
Testing 131
Removal And Installation 132
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) (AZNB11488 & ABOVE) 151
Parts Identification 151
Disassembly 152
Assembly 154
CYLINDER (TILT) (AZNB11488 & ABOVE) 159
Parts Identification 159
Disassembly 160
Assembly 162
CYLINDER (BOB-TACH) 167
Testing 167
Removal And Installation 168
Parts Identification 169
Disassembly 170
Assembly 171
MAIN RELIEF VALVE 175
Description 175
Testing 176
Adjusting 178
Removal And Installation 179
HYDRAULIC CONTROL VALVE (STANDARD) 181
Description 181
Removal And Installation 182
Mount Bracket Removal And Installation 185
Identification Chart 186
Lift Load Check Valve Removal And Installation 187
Load Check Valve Removal And Installation (Tilt And Auxiliary) 188
Anti-Cavitation Valve Removal And Installation (Lift, Rod End) 189
Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End) 189
Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End) 190
Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End) 190
Port Relief Valve Removal And Installation 191
Plug Removal And Installation 193
Rubber Boot Removal And Installation 194
End Cap Block Removal And Installation 194
Lift Spool And Detent Removal And Installation 195
Tilt Spool Removal And Installation 203
Auxiliary Spool Removal And Installation 205
Auxiliary Solenoid Removal And Installation 206
Solenoid Removal And Installation 207
Lock Valve Removal And Installation 208
Lift Arm Bypass Orifice Removal And Installation 210
Main Relief Valve Removal And Installation 210
Check Valve Removal And Installation 211
HYDRAULIC CONTROL VALVE (ACS) OR (SJC) 213
Description 213
Removal And Installation 213
Actuator Removal And Installation (In Loader) 216
Actuator Removal And Installation (Out Of Loader) 217
Identification Chart 220
Mount Bracket Removal And Installation 221
Lift Load Check Valve Removal And Installation 221
Load Check Valve Removal And Installation (Tilt And Auxiliary) 222
Anti-Cavitation Valve Removal And Installation (Lift, Rod End) 223
Port Relief / Anti-Cavitation Valve Removal And Installation (Lift, Base End) 223
Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Base End) 224
Port Relief / Anti-Cavitation Valve Removal And Installation (Tilt, Rod End) 224
Port Relief Valve Removal And Installation 225
Plug Removal And Installation 227
End Cap Block Removal And Installation 228
Lift Spool Removal And Installation 228
Lift Spool Disassembly And Assembly 230
Tilt Spool Removal And Installation 231
Tilt Spool Disassembly And Assembly 232
Auxiliary Spool Removal And Installation 233
Auxiliary Solenoid Removal And Installation 234
Solenoid Removal And Installation 235
Lock Valve Removal And Installation 236
Lift Arm Bypass Orifice Removal And Installation 238
Main Relief Valve Removal And Installation 238
Check Valve Removal And Installation 239
LIFT ARM BYPASS CONTROL VALVE 241
Description 241
Testing 241
Removal And Installation 242
Bracket Removal And Installation 243
Disassembly And Assembly 243
HYDRAULIC PUMP 245
Description 245
Pump Test At Quick Couplers 246
Direct Pump Test (Standard Section) 248
Direct Pump Test (Charge Section) 250
Removal And Installation 252
Hydraulic Pump Startup 254
Parts Identification 255
Disassembly And Assembly 256
HYDRAULIC / HYDROSTATIC FILTERS 257
Description 257
Housing Removal And Installation 257
HYDRAULIC FLUID RESERVOIR 259
Description 259
Removal And Installation 259
Hydraulic Fluid Screen 260
Gauge Removal And Installation 260
OIL COOLER 261
Removal And Installation 261
BUCKET POSITION VALVE 263
Description 263
Solenoid Removal And Installation 263
Solenoid Testing 264
Removal And Installation 264
Disassembly And Assembly 266
BOB-TACH (POWER) BLOCK (EARLIER MODELS) 267
Description 267
Removal And Installation 267
Disassembly And Assembly 269
BOB-TACH (POWER) BLOCK (LATER MODELS) 277
Description 277
Testing Relief Valve 277
Removal And Installation 279
Disassembly And Assembly 281
FRONT AUXILIARY HYDRAULIC COUPLER BLOCK 287
Description 287
Removal And Installation 288
Disassembly And Assembly (FFI/FI) 289
Disassembly And Assembly (FFH/FH) 291
HYDROSTATIC SYSTEM 293
HYDROSTATIC SYSTEM INFORMATION 295
Description 295
Troubleshooting 296
HYDROSTATIC DRIVE MOTOR 297
Description 297
Removal And Installation 297
Parts Identification 299
Disassembly And Assembly 300
Shaft Seal Replacement 306
CHARGE PRESSURE 307
Description 307
Testing 307
Adjusting 309
Sender Removal And Installation 311
HYDROSTATIC PUMP 313
Description 313
Removal And Installation 314
Hydrostatic Pump Startup 315
Replenishing / High Pressure Relief Valve Removal And Installation 316
Parts Identification (Left Half) 317
Parts Identification (Right Half) 318
Disassembly 319
Assembly 326
HYDROSTATIC PUMP (SJC) 333
Description 333
Hydraulic Controller Removal And Installation 334
Removal And Installation 336
Hydrostatic Pump Startup 337
Parts Identification 338
High Pressure Relief And Bypass Valve 339
Charge Relief Valve 340
Disassembly And Assembly 341
Mechanical Neutral Adjustment 354
Hydraulic Controller Neutral Adjustment 356
DRIVE BELT 361
Belt Adjustment 361
Belt Replacement 361
Tensioner Pulley Removal And Installation 363
Tensioner Pulley Disassembly And Assembly 364
DRAIN MANIFOLD 365
Description 365
Drain Manifold Removal And Installation 365
DRIVE SYSTEM 367
BRAKE 369
Description 369
Disc Removal And Installation 369
DRIVE COMPONENTS 371
Description 371
Axle Seal Removal And Installation 372
Axle, Sprocket And Bearings Removal And Installation 374
Chain Removal And Installation 378
CHAINCASE 381
Description 381
Front Cover Removal And Installation 381
Center Cover Removal And Installation 382
MAINFRAME 383
SEAT BAR 387
Description 387
Removal And Installation 387
Disassembly And Assembly 388
Compression Spring Disassembly And Assembly 389
OPERATOR CAB 391
Gas Spring Removal And Installation 391
Gas Spring Bracket Disassembly And Assembly 392
Removal And Installation 392
OPERATOR SEAT 395
Removal And Installation 395
Seat Belt Removal And Installation (Retractable) 395
Seat Belt And Bracket Removal And Installation (Standard) 396
Seat Belt Bracket Removal And Installation 396
OPERATOR SEAT (SUSPENSION) 397
Removal And Installation 397
Slide Rail Removal And Installation 397
Seat Belt Removal And Installation 398
Lower Cushion Removal 398
Lower Cushion Installation 399
Back Cushion Removal And Installation 399
Shock Removal And Installation 400
3-Point Seat Belt Removal And Installation 400
BOB-TACH (HAND LEVER) 403
Description 403
Removal And Installation 403
Lever And Wedge Disassembly And Assembly 405
Pivot Pin Bushing And Seal Removal And Installation 407
BOB-TACH (POWER) 409
Description 409
Removal And Installation 409
Lever And Wedge Disassembly And Assembly 411
Pivot Pin Bushing And Seal Removal And Installation 414
LIFT ARMS 415
Removal And Installation 415
REAR GRILLE 419
Removing 419
Installing 419
REAR DOOR (TAILGATE) 421
Removal And Installation 421
Striker Removal And Installation 422
Striker Disassembly And Assembly 422
Striker Adjusting 422
Latch Removal And Installation 423
FUEL TANK 425
Removal And Installation 425
Fuel Fill Screen Removal And Installation 427
Fuel Level Sender Removal And Installation 427
CONTROL PEDALS AND LINKAGES 429
Description 429
Pedal Removal And Installation 429
Linkage Removal And Installation 430
Pedal (Adjusting) 431
Floor Pan Removal And Installation 432
CONTROL PEDALS AND LINKAGES (ACS) 433
Description 433
Pedal Removal And Installation 433
Linkage Removal And Installation 434
Pedal (Adjusting) 434
Floor Pan Removal And Installation 435
CONTROL PEDALS AND LINKAGES (SJC) 437
Description 437
CONTROL PANEL 439
Description 439
Removal And Installation 440
Disassembly And Assembly 441
Linkage Removal And Installation 443
Pintle Arm Disassembly And Assembly 447
Linkage Neutral (Adjusting) 448
Linkage Travel (Adjusting) 452
Shock Removal And Installation 456
CONTROL PANEL (SJC) 457
Description 457
Removal And Installation 457
CONTROL HANDLE / LEVER 459
Description 459
Lever Removal And Installation 459
Boot Removal And Installation 460
CONTROL HANDLE / LEVER (ACS) 461
Description 461
Handle Sensor Removal And Installation 461
Handle Removal And Installation 464
Handle Disassembly And Assembly 465
Lever Removal And Installation 465
Boot Removal And Installation 466
CONTROL HANDLE / LEVER (SJC) 467
Description 467
Joystick Testing 467
Joystick Removal And Installation 468
WINDOW (REAR) 469
Rear Window Identification 469
Removal (Rubber Cord) 469
Installation (Rubber Cord) 470
Removal And Installation (Latches) 472
Disassembly And Assembly (Latches) 472
WINDOW (TOP) 473
Removal And Installation 473
WINDOW (SIDE) 475
Removal And Installation 475
CAB DOOR 477
Description 477
Removal And Installation 477
Disassembly And Assembly 478
Aligning 479
Adjusting 480
Checking Operation 480
ARMREST 481
Description 481
Removal And Installation 481
Disassembly And Assembly 482
LEFT SIDE LOWER PANEL 485
Removal And Installation 485
Disassembly And Assembly 488
RIGHT SIDE LOWER PANEL 489
Removal And Installation 489
Disassembly And Assembly 491
HEADLINER 493
Removal And Installation 493
ELECTRICAL SYSTEM AND ANALYSIS 495
ELECTRICAL SCHEMATICS 501
ELECTRICAL SYSTEM INFORMATION 627
Glossary Of Electrical Symbols 627
Standard Cab Harness Connectors 630
Deluxe Cab Harness Connectors 631
Mainframe / Engine Harness Connectors – Manual Controls (Earlier Models) 632
Mainframe / Engine Harness Connectors – SJC/ACS Controls (Earlier Models) 633
Mainframe / Engine Harness Connectors – Manual Controls (Later Models) 634
Mainframe / Engine Harness Connectors – SJC/ACS Controls (Later Models) 635
Description 636
Fuse And Relay Location / Identification 636
Troubleshooting 640
Solenoid Testing 641
BATTERY 643
Servicing 643
Maintaining Battery Charge Level 643
Battery Service During Machine Storage 643
Battery Testing 644
Battery Charging 644
Using A Booster Battery (Jump Starting) 645
Removal And Installation 646
ALTERNATOR 651
Belt Adjustment 651
Belt Replacement 651
Charging System Inspection 652
Alternator Voltage Testing 653
Low Voltage Testing 653
High Voltage Testing 654
Removal And Installation 655
Parts Identification 656
STARTER 657
Testing 657
Removal And Installation 657
Parts Identification 658
INSTRUMENT PANELS 659
Left Panel 659
Display Screen 661
Right Panel (Standard Key Panel) 662
Right Panel (Keyless Start Panel) 663
Right Panel (Deluxe Instrumentation Panel) 664
Left Switch Panel 666
Right Switch Panel 666
Left Side Lower Panel 667
Right Side Lower Panel 667
Left Panel Removal And Installation 668
Right Panel (Standard Key Panel) Removal And Installation 668
Right Panel (Keyless Start Panel) Removal And Installation 669
Right Panel (Deluxe Instrumentation Panel) Removal And Installation 669
Key Switch Disassembly And Assembly 670
Alarm Disassembly And Assembly 670
Left Switch Panel Removal And Installation 671
Right Switch Panel Removal And Installation 671
LIGHTS 673
Front Removal And Installation 673
Rear Removal And Installation 674
Cab Light Removal And Installation 674
BOBCAT CONTROLLERS (ACS AND AUXILIARY) 675
Description 675
Connector And Wire Identification 676
Removal And Installation 680
BOBCAT CONTROLLER (GATEWAY) 681
Description 681
Connector Identification 682
Removal And Installation 685
BOBCAT CONTROLLER (SJC) (DRIVE) 687
Description 687
Connector Identification 688
Removal And Installation 690
DIAGNOSTIC SERVICE CODES 691
Viewing Service Codes 691
Service Codes List 692
BOBCAT INTERLOCK CONTROL SYSTEM (BICS™) 699
Description 699
Inspecting The BICS™ (Engine STOPPED – Key ON) 700
Inspecting Deactivation Of The Auxiliary Hydraulics System (Engine STOPPED – Key ON) 700
Inspecting The Seat Bar Sensor (Engine RUNNING) 700
Inspecting The Traction Lock And Parking Brake (Engine RUNNING) 700
Inspecting The Lift Arm Bypass Control 700
Inspecting Deactivation Of Lift And Tilt Functions (ACS And SJC) 700
Troubleshooting 701
SEAT BAR SENSOR 703
Description 703
Troubleshooting 703
Testing 704
Removal 705
Installation 706
Bobcat Interlock Control System (BICS™) Circuit Test 708
TRACTION LOCK 711
Description 711
Troubleshooting 712
Inspecting 713
CONTROL SYSTEM (ACS) 715
Description 715
Troubleshooting 716
Handle Sensor Connector Disassembly And Assembly 717
Switch Handle Removal 718
Switch Handle Installation 720
Actuator Connector Disassembly And Assembly 723
Handle Lock Solenoid Removal And Installation 724
Handle Lock Solenoid Disassembly And Assembly 724
Foot Sensor Removal And Installation 725
Foot Sensor Disassembly And Assembly 726
Foot Sensor Lock Solenoid Removal And Installation 726
ELECTRICAL / HYDRAULIC CONTROLS 727
Identification Chart 727
Description 728
Identification Chart ACD Group 0 729
Identification Chart ACD Group 1 730
Identification Chart ACD Group 2 731
Identification Chart ACD Group 3 732
ELECTRICAL / HYDRAULIC CONTROLS (ACS) 733
Identification Chart 733
Description 734
Identification Chart ACD Group 0 735
Identification Chart ACD Group 1 736
Identification Chart ACD Group 2 737
Identification Chart ACD Group 3 738
ELECTRICAL / HYDRAULIC CONTROLS (SJC) 739
Identification Chart 739
Description 740
Identification Chart ACD Group 0 741
Identification Chart ACD Group 1 742
Identification Chart ACD Group 2 743
Identification Chart ACD Group 3 744
SERVICE PC (LAPTOP COMPUTER) 745
Connecting Remote Start Tool 745
Connecting Remote Start Tool (Service Tool) 745
CALIBRATION 747
Description 747
Actuator Testing 747
Lift And Tilt Calibration (SJC) 750
Hydrostatic Pump Calibration (SJC) 752
Lift And Tilt Calibration (ACS) 757
STEERING DRIFT COMPENSATION (OPERATOR MODE) 759
Description 759
Operation 760
STEERING DRIFT COMPENSATION (SERVICE MODE) 761
Description 761
Operation 761
FLYWHEEL RPM SENSOR 763
Description 763
Removal 763
Installation 764
CONTROL PANEL SETUP 765
Right Panel Setup (Deluxe Instrumentation Panel) 765
PASSWORD SETUP (DELUXE INSTRUMENTATION PANEL) 769
Password Description 769
Changing The Owner Password 769
Changing The User Passwords 770
Password Lockout Feature 770
PASSWORD SETUP (KEYLESS START PANEL) 771
Password Description 771
Changing The Owner Password 771
Password Lockout Feature 771
MAINTENANCE CLOCK 773
Description 773
Setup 774
Reset 777
BACK-UP ALARM SYSTEM 779
Description 779
Inspecting 779
Adjusting Switch Position 780
Troubleshooting (Standard And ACS) 781
Troubleshooting (Joystick) 782
Alarm Removal And Installation 783
Switch Removal And Installation 783
FRONT HORN 785
Removal And Installation 785
Troubleshooting 786
Troubleshooting (Joystick) 787
ENGINE SERVICE 789
ENGINE INFORMATION 793
Description 793
Specifications 794
Torque Values 797
Troubleshooting 797
Engine Removal And Installation 799
Engine Mount Replacement 807
Compression – Testing 808
ENGINE SPEED CONTROL (HAND) 811
Removal And Installation 811
Disassembly And Assembly 811
Cable Removal And Installation 812
ENGINE SPEED CONTROL (FOOT) (SJC) 813
Description 813
Removal And Installation 813
Disassembly And Assembly 815
Pedal (Adjusting) 816
Floor Pan Removal And Installation 816
MUFFLER 817
Removal And Installation 817
AIR CLEANER 819
Housing Removal And Installation 819
ENGINE COOLING SYSTEM 821
Radiator / Oil Cooler Removal And Installation 821
Hydraulic Fan Description 824
Fan Duct Removal And Installation 824
Hydraulic Fan Motor Assembly Removal And Installation (Earlier Models) 825
Hydraulic Fan Motor Removal And Installation (Earlier Models) 826
Hydraulic Fan Motor Disassembly And Assembly (Earlier Models) 827
Hydraulic Fan Motor Assembly Removal And Installation (Later Models) 829
Fan Removal And Installation (Later Models) 830
Hydraulic Fan Motor Removal And Installation (Later Models) 831
Hydraulic Fan Motor Disassembly And Assembly (Later Models) 832
Fan Shroud Removal And Installation 838
Water Pump Removal And Installation 838
Water Pump Disassembly And Assembly 839
Thermostat Housing Removal And Installation 840
Thermostat – Testing 841
LUBRICATION SYSTEM 843
Oil Pan Removal And Installation 843
Relief Valve – Inspection 843
Oil Pump Removal And Installation 844
Oil Pump Inspection 844
Engine Oil Pressure – Testing 845
FUEL SYSTEM 847
Fuel Shutoff Solenoid – Testing 847
Fuel Shutoff Solenoid Removal And Installation 847
Fuel Injection Pump – Testing 848
Fuel Injection Pump Removal And Installation 849
Governor Disassembly And Assembly 853
Fuel Camshaft Removal And Installation 854
Fuel Injection Pump – Timing 854
Fuel Injector Removal And Installation 856
Fuel Injector Nozzle Pressure – Checking 857
Nozzle Spray Condition 858
Valve Seat Tightness 858
CYLINDER HEAD 859
Glow Plugs – Testing 859
Glow Plugs Removal And Installation 859
Valve Clearance Adjustment 860
Valve Timing – Inspecting 861
Cylinder Head Removal And Installation 862
Cylinder Head Disassembly And Assembly 865
Cylinder Head – Servicing 865
Cylinder Head Top Clearance 866
Valve Guide – Inspecting 866
Valve Guide Removal And Installation 867
Reconditioning The Valve And Valve Seat 867
Valve Spring 869
Valve Tappets 870
Rocker Arm And Shaft – Inspecting 870
Push Rod Alignment – Inspecting 871
CRANKSHAFT AND PISTONS 873
Piston And Connecting Rod Removal And Installation 873
Piston And Connecting Rod – Servicing 874
Cylinder Bore – Inspecting 877
Connecting Rod Alignment 877
Crankshaft Gear Removal And Installation 878
Crankshaft And Bearings Removal And Installation 878
Crankshaft And Bearings – Servicing 880
CAMSHAFT AND TIMING GEARS 885
Timing Gearcase Cover Removal And Installation 885
Timing Gears Backlash – Inspection 887
Idler Gear And Camshaft Removal And Installation 888
Camshaft – Servicing 889
Idler Gear And Shaft – Servicing 890
FLYWHEEL AND HOUSING 891
Flywheel Removal And Installation 891
Ring Gear Removal And Installation 891
Housing Removal And Installation 892
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 895
AIR CONDITIONING SYSTEM FLOW 897
Description 897
Chart 898
Components 899
Safety Equipment 902
REGULAR MAINTENANCE 903
Filters 903
Belt Adjustment 904
Belt Replacement 904
Air Conditioning Condenser 905
Air Conditioning Lubrication 905
Air Conditioning Service Chart 906
Evaporator / Heater Coil 907
TROUBLESHOOTING 909
Blower Motor Does Not Operate 909
Blower Motor Operates Normally, But Air Flow Is Insufficient 909
Insufficient Cooling Although Air Flow And Compressor Operation Are Normal 909
The Compressor Does Not Operate At All, Or Operates Improperly 909
Gauge Pressure Related Troubleshooting 910
Troubleshooting Tree 912
Temperature / Pressure Chart 916
Poor A/C Performance 918
HVAC Repair And Leaks 919
Electrical System 919
Engine Coolant Bypassing The Heater Valve 926
Heater Valve Not Opening Or Closing 927
SYSTEM CHARGING AND RECLAMATION 929
Refrigerant Identification 929
Reclamation And Charging With Recovery / Charging Unit 930
COMPRESSOR 933
Removal And Installation 933
Oil 934
Oil Check 935
CONDENSER 937
Removal And Installation 937
RECEIVER / DRIER 939
Receiver / Drier Removal And Installation 939
Pressure Switch Removal And Installation 940
Schrader® Valve Removal And Installation 941
EVAPORATOR / HEATER UNIT 943
Removal And Installation 943
THERMOSTAT 945
Description 945
Removal And Installation 946
EXPANSION VALVE 947
Removal And Installation 947
EVAPORATOR COIL 949
Removal And Installation 949
HEATER COIL 951
Removal And Installation 951
BLOWER FAN 953
Removal And Installation 953
Disassembly And Assembly 953
HEATER VALVE 957
Removal And Installation 957
SPECIFICATIONS 959
(S450) LOADER SPECIFICATIONS 961
Machine Dimensions 961
Performance 962
Engine 962
Drive System 963
Controls 963
Hydraulic System 964
Electrical System 965
Capacities 965
Tires 966
TECHNICAL SERVICE GUIDE SPECIFICATIONS 967
Engine 967
Engine Torques 967
Cooling System 967
Loader Torques 968
Hydraulic / Hydrostatic System 968
Fuel Consumption 968
TORQUE SPECIFICATIONS FOR BOLTS 969
Torque For General SAE Bolts 969
Torque For General Metric Bolts 970
HYDRAULIC CONNECTION SPECIFICATIONS 971
Straight Thread O-ring Fitting 971
Flare Fitting 972
Tubelines And Hoses 972
HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS 973
Specifications 973
CONVERSIONS 975
Decimal And Millimeter Equivalent Chart 975
U S To Metric Conversion Chart 975
SERVICE TOOLS REQUIRED 977
Remote Start Tools 977
Hydraulic Tools 978
Mainframe And Drive Tools 981
Electrical Tools 984
Engine Tools 985
HVAC Tools 990
ALPHABETICAL INDEX 991

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