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Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up – PDF DOWNLOAD
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Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up
MACHINE MODEL SERIAL NUMBER
D61EX-12 1001 and up
D61EX-12 B1001 and up
D61PX-12 1001 and up
D61PX-12 B1001 and up
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Description
Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up
FILE DETAILS:
Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up
Brands: Komatsu
Equipment Type: Crawler Bulldozer
Manuals Type: Shop Manual
Machine Model: D61EX-12, D61PX-12
Serial Number: 1001 and up, B1001 and up
Book Code: SEBM018906
Issued: Printed in Japan 10-2004
Language: English
Pages: 716
File Format: Portable Document Format (PDF)
DESCRIPTION:
Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up
1 GENERAL:
This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following sections. These sections are further divided into each main group of components.
GENERAL:
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.
STRUCTURE, FUNCTION AND MAINTENANCE STANDARD:
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. In addition, this section gives the judgement standards when inspecting disassembled parts.
STANDARD VALUE TABLE:
This section explains the standard values for new machine and judgement criteria for testing, adjusting and troubleshooting. This standard value table is used to check the standard values in testing and adjusting and to judge parts in troubleshooting.
TESTING AND ADJUSTING:
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
TROUBLESHOOTING:
Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY:
This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.
OTHERS:
This section has the foldout drawings for the machine.
TABLE OF CONTENTS:
Komatsu D61EX-12, D61PX-12 Crawler Bulldozer Shop Manual 1001 and up B1001 and up
MAIN MENU.................................................................................................................... 0 COVER........................................................................................................................ 1 CONTENTS..................................................................................................................... 2 SAFETY....................................................................................................................... 7 FORWARD...................................................................................................................... 9 01 GENERAL................................................................................................................... 27 SPECIFICATION DRAWING.................................................................................................... 28 SPECIFICATIONS........................................................................................................... 30 WEIGHT TABLE............................................................................................................. 41 TABLE OF FUEL COOLANT AND LUBRICANTS..................................................................................... 45 10 STRUCTURE AND FUNCTION.................................................................................................... 47 RADIATOR, POWER TRAIN, OIL COOLER........................................................................................ 48 ENGINE CONTROL........................................................................................................... 50 POWER TRAIN SYSTEM....................................................................................................... 51 POWER TRAIN SKELETON..................................................................................................... 52 POWER TRAIN UNIT......................................................................................................... 53 POWER TRAIN HYDRAULIC PIPING DIAGRAM..................................................................................... 54 DAMPER, UNIVERSAL JOINT.................................................................................................. 55 TORQUE CONVERTER AND PTO................................................................................................. 57 TRANSMISSION CONTROL..................................................................................................... 60 TRANSMISSION............................................................................................................. 61 TRANSMISSION CONTROL VALVE............................................................................................... 68 MAIN RELIEF VALVE........................................................................................................ 73 LUBRICATION RELIEF VALVE................................................................................................. 75 STEERING AND BRAKE CONTROL............................................................................................... 76 BEVEL GEAR SHAFT, HSS STEERING, STEERING BRAKE........................................................................... 77 BRAKE VALVE.............................................................................................................. 87 SCAVENGING PUMP STRAINER................................................................................................. 91 POWER TRAIN OIL STRAINER................................................................................................. 92 POWER TRAIN OIL FILTER................................................................................................... 93 FINAL DRIVE.............................................................................................................. 94 MAIN FRAME............................................................................................................... 97 TRACK FRAME.............................................................................................................. 98 RECOIL SPRING............................................................................................................ 99 SUSPENSION...............................................................................................................100 WORK EQUIPMENT HYDRAULIC PIPING DIAGRAM..................................................................................102 PPC CONTROL PIPING DIAGRAM...............................................................................................104 WORK EQUIPMENT CONTROL...................................................................................................105 HYDRAULIC TANK AND FILTER................................................................................................106 HYDRAULIC AND HSS PUMP SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000, MODEL HPV82.....................................108 HYDRAULIC AND HSS PUMP SERIAL NO. B3001 AND UP MODEL: HPV95..............................................................123 SERVO VALVE..............................................................................................................129 PPC VALVE SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000...............................................................143 PPC VALVE SERIAL NO. B3001 AND UP........................................................................................150 PPC CHARGE VALVE.........................................................................................................158 MAIN CONTROL VALVE SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000......................................................160 MAIN CONTROL VALVE SERIAL NO. B3001 AND UP...............................................................................166 CLSS.....................................................................................................................172 HSS MOTOR SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000...............................................................196 HSS MOTOR SERIAL NO. B3001 AND UP........................................................................................201 SUCTION VALVE............................................................................................................207 WORK EQUIPMENT...........................................................................................................209 ENGINE CONTROL...........................................................................................................212 MACHINE MONITOR SYSTEM...................................................................................................213 SENSORS..................................................................................................................217 20 TESTING AND ADJUSTING.....................................................................................................221 STANDARD VALUE TABLE FOR ENGINE .........................................................................................222 STANDARD VALUE TABLE FOR CHASSIS.........................................................................................224 STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM...............................................................................234 TESTING AND ADJUSTING....................................................................................................237 TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING....................................................................238 MEASURING BLOW-BY PRESSURE...........................................................................................239 MEASURING EXHAUST COLOR..............................................................................................240 MEASURING ENGINE OIL PRESSURE........................................................................................241 MEASURING ENGINE SPEED...............................................................................................242 TESTING FAN BELT TENSION.............................................................................................243 TESTING AND ADJUSTING BELT TENSION OF AIR CONDITIONER COMPRESSOR.....................................................244 MEASURING SPEED AT TORQUE CONVERTER STALL............................................................................246 ADJUSTING FUEL CONTROL LINKAGE.......................................................................................247 ADJUSTING LINKAGES OF FORWARD-REVERSE LEVER, GEAR SHIFT LEVER, AND PARKING BRAKE LEVER...............................249 ADJUSTING BRAKE PEDAL LINKAGE........................................................................................251 ADJUSTING WORK EQUIPMENT LOCK LEVER..................................................................................252 ADJUSTING STRAIGHT TILTDOZER.........................................................................................253 ADJUSTING PPC VALVE..................................................................................................255 MEASURING POWER TRAIN HYDRAULIC PRESSURE.............................................................................256 MEASURING AND ADJUSTING WORK EQUIPMENT AND STEERING OIL PRESSURE.....................................................259 TESTING AND ADJUSTING CONTROL CIRCUIT PRESSURE.......................................................................261 MEASURING PPC VALVE OUTPUT PRESSURE..................................................................................262 MEASURING OIL LEAKAGE FROM HSS MOTOR.................................................................................263 MEASURING LINKAGE INSIDE CYLINDER....................................................................................263 BLEEDING AIR FROM HYDRAULIC CYLINDER.................................................................................264 PROCEDURE OF SIMPLE TEST OF STEERING BRAKE PERFORMANCE...............................................................265 TROUBLESHOOTING..........................................................................................................267 POINTS TO REMEMBER WHEN TROUBLESHOOTING..............................................................................268 SEQUENCE OF EVENTS IN TROUBLESHOOTING................................................................................269 POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE.....................................................................270 CHECKS BEFORE TROUBLESHOOTING........................................................................................278 CONNECTOR TYPES AND MOUNTING LOCATIONS...............................................................................279 CONNECTOR PIN ARRANGEMENT DIAGRAM....................................................................................280 CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...........................................................................282 HOW TO FOLLOW THE TROUBLESHOOTING FLOW DIAGRAMS......................................................................305 TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)........................................................................307 TABLE OF FAILURE MODES AND CAUSES (ELECTRICAL SYSTEM)............................................................308 ELECTRICAL CIRCUIT DIAGRAM FOR EACH SYSTEM.......................................................................309 E-1 STARTING MOTOR IS NOT CRANKED WHEN STARTING SWITCH IS TURNED TO ON...........................................314 E-2 LAMPS DO NOT LIGHT UP........................................................................................316 E-3 AUTOMATIC PREHEATING IS NOT CARRIED OUT WHEN GLOW SWITCH IS TURNED TO AUTO...................................318 E-4 WIPER DOES NOT WORK..........................................................................................320 E-5 NO WASHER FLUID IS SPRAYED OUT...............................................................................322 E-6 AIR CONDITIONER HAS NO EFFECT................................................................................324 E-7 ENGINE DOES NOT START (ENGINE STOP SOLENOID MALFUNCTIONS)....................................................332 TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE).............................................................335 TABLE OF FAILURE MODES AND CAUSES (HYDRAULIC, MECHANICAL SYSTEM).................................................336 H-1 BRAKE DOES NOT WORK..........................................................................................338 H-2 TURNING SPEED IS SLOW (CANNOT TURN) OR LACKS POWER WHEN TURNING .............................................340 H-3 EXCESSIVE TIME LAG...........................................................................................342 H-4 MACHINE CAN TRAVEL IN ONLY ONE DIRECTION (FORWARD OR REVERSE)................................................342 H-5 MACHINE DOES NOT MOVE (WHEN ENGINE IS STARTED AND LEVER IS SHIFTED TO 2ND OR 3RD)............................344 H-6 MACHINE DOES NOT MOVE IN ANY SPEED RANGE.....................................................................346 H-7 POWER TRAIN OIL TEMPERATURE RISES TOO HIGH...................................................................348 H-8 DRAWBAR PULL IS WEAK, TRAVEL SPEED IS SLOW...................................................................350 H-9 ABNORMAL NOISE IS GENERATED FROM AROUND HYDRAULIC, HSS PUMP..................................................351 H-10 WORK EQUIPMENT SPEED IS SLOW OR LACKS POWER................................................................352 H-11 NO WORK EQUIPMENT MOVES.....................................................................................352 H-12 TURNING SPEED AND SPEED OF ALL WORK EQUIPMENT IS SLOW.......................................................353 H-13 MACHINE CANNOT TURN.........................................................................................354 H-14 TURNING LACKS POWER.........................................................................................354 H-15 BLADE LIFT OR TILT CYLINDER SPEED IS SLOW OR LACKS POWER....................................................355 H-16 BLADE ANGLE CYLINDER SPEED IS SLOW OR LACKS POWER...........................................................356 H-17 HYDRAULIC DRIFT OF BLADE LIFT IS EXCESSIVE..................................................................357 H-18 HYDRAULIC DRIFT OR BLADE LIFT IS EXCESSIVE..................................................................357 H-19 HYDRAULIC DRIFT OF BLADE ANGLE IS EXCESSIVE.................................................................358 TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)...................................................................359 TABLE OF FAILURE MODES AND CAUSES (MACHINE MONITOR SYSTEM).......................................................360 ELECTRICAL CIRCUIT DIAGRAM FOR EACH SYSTEM.......................................................................362 M-1 NO DISPLAY IS GIVEN ON MONITOR PANEL WHEN STARTING SWITCH IS TURNED TO ON....................................366 M-2 WHEN STARTING SWITCH IS TURNED TO ON, ALL MONITOR PANEL LAMPS LIGHT UP AND DO NOT GO OUT.....................366 M-3 PREHEATING IS ABNORMAL.......................................................................................367 A) PREHEATING MONITOR DOES NOT LIGHT UP......................................................................367 B) PREHEATING MONITOR DOES NOT GO OFF........................................................................367 M-4 CAUTION ITEMS LIGHT UP OR FLASH..............................................................................369 A) CHARGE LIGHTS UP OR FLASHES...............................................................................369 B) WHEN STARTING SWITCH IS TURNED TO ON AND ENGINE IS STARTED, (ENGINE OIL PRESSURE) LIGHTS UP OR FLASHES....370 C) (COOLANT TEMPERATURE) FLASHES.............................................................................371 D) (POWER TRAIN OIL TEMPERATURE) FLASHES.....................................................................372 M-5 BUZZER IS ABNORMAL...........................................................................................373 A) CAUTION ITEM FLASHES BUT BUZZER DOES NOT SOUND............................................................373 B) MONITOR DISPLAY IS NORMAL, BUT BUZZER SOUNDS..............................................................373 M-6 WARNING LAMP IS ABNORMAL.....................................................................................374 A) CAUTION ITEM IS FLASHING BUT LAMP DOES NOT FLASH..........................................................374 B) MONITOR DISPLAY IS NORMAL BUT LAMP FLASHES................................................................374 M-7 GAUGE IS ABNORMAL............................................................................................375 A) ABNORMALITY IN ENGINE COOLANT TEMPERATURE GAUGE...........................................................375 B) ABNORMALITY IN POWER TRAIN OIL TEMPERATURE GAUGE..........................................................376 C) ABNORMALITY IN FUEL LEVEL GAUGE...........................................................................377 M-8 SERVICE MOTOR DOES NOT MOVE AFTER ENGINE IS STARTED..........................................................378 M-9 MONITOR MANEL LIGHTING DOES NOT LIGHT UP (FRONT LAMPS ARE NORMAL)............................................379 30 DISASSEMBLY AND ASSEMBLY.................................................................................................. 0 METHOD OF USING MANUAL................................................................................................... 0 PRECAUTIONS WHEN CARRYING OUT OPERATION..................................................................................387 SPECIAL TOOL LIST........................................................................................................389 SKETCHES OF SPECIAL TOOLS................................................................................................395 ENGINE...................................................................................................................398 REMOVAL..............................................................................................................398 INSTALLATION.........................................................................................................399 RADIATOR AND GAURD.......................................................................................................400 REMOVAL..............................................................................................................400 INSTALLATION.........................................................................................................401 RADIATOR.................................................................................................................402 REMOVAL .............................................................................................................402 INSTALLATION.........................................................................................................404 HYDRAULIC OIL COOLER.....................................................................................................405 REMOVAL..............................................................................................................405 INSTALLATION.........................................................................................................405 FUEL TANK................................................................................................................406 REMOVAL..............................................................................................................406 INSTALLATION.........................................................................................................407 DAMPER...................................................................................................................409 REMOVAL..............................................................................................................409 INSTALLATION.........................................................................................................411 PTO, TORQUE CONVERTER AND TRANSMISSION...................................................................................413 REMOVAL..............................................................................................................413 INSTALLATION.........................................................................................................417 DISCONNECTION........................................................................................................418 CONNECTION...........................................................................................................419 PTO......................................................................................................................420 DISASSEMBLY..........................................................................................................420 ASSEMBLY.............................................................................................................424 TORQUE CONVERTER.........................................................................................................428 DISASSEMBLY..........................................................................................................428 ASSEMBLY.............................................................................................................430 TORQFLOW TRANSMISSION....................................................................................................433 DISASSEMBLY..........................................................................................................433 ASSEMBLY.............................................................................................................443 TORQUE CONVERTER MAIN RELIEF VALVE.......................................................................................458 REMOVAL..............................................................................................................458 INSTALLATION.........................................................................................................458 DISASSEMBLY..........................................................................................................459 ASSEMBLY.............................................................................................................459 TRANSMISSION CONTROL VALVE...............................................................................................460 REMOVAL..............................................................................................................460 INSTALLATION.........................................................................................................460 DISASSEMBLY..........................................................................................................462 ASSEMBLY.............................................................................................................462 STEERING BRAKE...........................................................................................................464 REMOVAL..............................................................................................................464 INSTALLATION.........................................................................................................464 DISASSEMBLY..........................................................................................................465 ASSEMBLY.............................................................................................................468 HSS......................................................................................................................471 REMOVAL..............................................................................................................471 INSTALLATION.........................................................................................................478 BRAKE VALVE..............................................................................................................486 REMOVAL..............................................................................................................486 INSTALLATION.........................................................................................................486 DISASSEMBLY..........................................................................................................487 ASSEMBLY.............................................................................................................488 HSS MOTOR................................................................................................................489 REMOVAL..............................................................................................................489 INSTALLATION.........................................................................................................489 DISASSEMBLY..........................................................................................................490 ASSEMBLY.............................................................................................................494 SCAVENGING PUMP.......................................................................................................... 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 POWER TRAIN AND LUBRICATING OIL PUMP..................................................................................... 0 REMOVAL.............................................................................................................. 0 INSTALLATION ........................................................................................................ 0 FINAL DRIVE.............................................................................................................. 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 DISASSEMBLY.......................................................................................................... 0 ASSEMBLY............................................................................................................. 0 TRACK FRAME.............................................................................................................. 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 RECOIL SPRING............................................................................................................ 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 DISASSEMBLY.......................................................................................................... 0 ASSEMBLY............................................................................................................. 0 IDLER.................................................................................................................... 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 DISASSEMBLY.......................................................................................................... 0 ASSEMBLY............................................................................................................. 0 TRACK ROLLER............................................................................................................. 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 DISASSEMBLY.......................................................................................................... 0 ASSEMBLY............................................................................................................. 0 CARRIER ROLLER........................................................................................................... 0 REMOVAL.............................................................................................................. 0 INSTALLATION......................................................................................................... 0 DISASSEMBLY.......................................................................................................... 0 ASSEMBLY............................................................................................................. 0 TRACK SHOE............................................................................................................... 0 CHECKING BEFORE REMOVAL.............................................................................................. 0 REMOVAL (NORMAL)..................................................................................................... 0 REMOVAL (WHEN THERE IS ABNORMALITY INSIDE TRACK FRAME).............................................................. 0 INSTALLATION......................................................................................................... 0 OVERALL DISASSEMBLY..................................................................................................548 OVERALL ASSEMBLY.....................................................................................................553 PRESS-FITTING JIG DIMENTION TABLE FOR LINK PRESS.....................................................................567 ONE LINK.................................................................................................................568 FIELD DISASSEMBLY....................................................................................................568 FIELD ASSEMBLY.......................................................................................................569 PIVOT SHAFT..............................................................................................................575 REMOVAL..............................................................................................................575 INSTALLATION.........................................................................................................575 EQUALIZER BAR............................................................................................................576 REMOVAL.............................................................................................................576 INSTALLATION.........................................................................................................577 EQUALIZER BAR SIDE BUSHING...............................................................................................578 REMOVAL..............................................................................................................578 INSTALLATION.........................................................................................................578 SEGMENT TEETH............................................................................................................579 REMOVAL..............................................................................................................579 INSTALLATION.........................................................................................................579 HSS AND HYDRAULIC PUMP...................................................................................................580 REMOVAL..............................................................................................................580 INSTALLATION.........................................................................................................580 DISASSEMBLY..........................................................................................................581 ASSEMBLY.............................................................................................................586 PPC PUMP AND PPC CHARGE RELIEF VALVE.....................................................................................595 REMOVAL..............................................................................................................595 INSTALLATION.........................................................................................................595 DISASSEMBLY..........................................................................................................596 ASSEMBLY.............................................................................................................596 MAIN CONTROL VALVE.......................................................................................................597 REMOVAL..............................................................................................................597 INSTALLATION.........................................................................................................598 DISASSEMBLY..........................................................................................................599 ASSEMBLY.............................................................................................................605 STEERING PPC VALVE.......................................................................................................612 REMOVAL..............................................................................................................612 INSTALLATION.........................................................................................................613 DISASSEMBLY..........................................................................................................614 ASSEMBLY.............................................................................................................615 SUCTION VALVE............................................................................................................616 REMOVAL..............................................................................................................616 INSTALLATION.........................................................................................................616 BLADE ANGLE CYLINDER.....................................................................................................617 REMOVAL..............................................................................................................617 INSTALLATION.........................................................................................................617 BLADE TILT CYLINDER......................................................................................................618 REMOVAL..............................................................................................................618 INSTALLATION.........................................................................................................618 BLADE LIFT CYLINDER......................................................................................................619 REMOVAL..............................................................................................................619 INSTALLATION.........................................................................................................619 HYDRAULIC CYLINDER.......................................................................................................620 DISASSEMBLY..........................................................................................................620 ASSEMBLY.............................................................................................................622 WORK EQUIPMENT...........................................................................................................625 REMOVAL..............................................................................................................625 INSTALLATION.........................................................................................................626 DISASSEMBLY..........................................................................................................627 ASSEMBLY.............................................................................................................629 ROPS GUARD (ROPS CANOPY).................................................................................................631 REMOVAL..............................................................................................................631 INSTALLATION.........................................................................................................631 DASHBOARD................................................................................................................632 REMOVAL..............................................................................................................632 INSTALLATION.........................................................................................................632 MONITOR PANEL............................................................................................................633 REMOVAL..............................................................................................................633 INSTALLATION.........................................................................................................633 FLOOR FRAME..............................................................................................................634 REMOVAL..............................................................................................................634 INSTALLATION......................................................................................................... 0 40 MAINTENANCE STANDARD......................................................................................................649 DAMPER, UNIVERSAL JOINT..................................................................................................650 TORQUE CONVERTER, PTO....................................................................................................652 TRANSMISSION.............................................................................................................654 TRANSMISSION CONTROL VALVE...............................................................................................656 MAIN RELIEF VALVE........................................................................................................657 BEVEL GEAR SHAFT, HSS STEERING, BRAKE....................................................................................658 BRAKE VALVE..............................................................................................................664 WORK EQUIPMENT, HSS PUMP.................................................................................................665 HSS MOTOR................................................................................................................668 POWER TRAIN LUBRICATION PUMP.............................................................................................671 PCC CONTROL PUMP.........................................................................................................672 PPC VALVE................................................................................................................673 PPC CHARGE VALVE.........................................................................................................674 FINAL DRIVE..............................................................................................................675 TRACK FRAME, RECOIL SPRING...............................................................................................676 IDLER...................................................................................................................677 TRACK ROLLER.............................................................................................................678 CARRIER ROLLER...........................................................................................................679 TRACK SHOE...............................................................................................................680 DIMENSIONS OF SHAPE OF SPROCKET TOOTH (ACTUAL SIZE)......................................................................682 SUSPENSION...............................................................................................................684 MAIN CONTROL VALVE.......................................................................................................686 WORK EQUIPMENT CYLINDER..................................................................................................694 WORK EQUIPMENT...........................................................................................................698 CUTTING EDGE AND BIT ....................................................................................................704 RIPPER...................................................................................................................706 90 OTHERS....................................................................................................................707 ELECTRIC CIRCUIT DIAGRAM FOR CAB.........................................................................................708 POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM....................................................................................709 STEERING- WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000......................710 STEERING- WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM SERIAL NO. B3001 AND UP...............................................711 ELECTRIC CIRCUIT DIAGRAM SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000 CAB SPECIFICATION..............................712 ELECTRIC CIRCUIT DIAGRAM SERIAL NO. B3001 AND UP CAB SPECIFICATION.......................................................713 ELECTRIC CIRCUIT DIAGRAM SERIAL NO. 1001 - 1173, SERIAL NO. B1001 - B3000 CANOPY SPECIFICATION...........................714 ELECTRIC CIRCUIT DIAGRAM SERIAL NO. B3001 CANOPY SPECIFICATION...........................................................715
KOMATSU D61EX-12, D61PX-12 CRAWLER BULLDOZER SHOP MANUAL 1001 AND UP B1001 AND UP – PDF DOWNLOAD:
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