Trusted Business
Verified & Licensed
Virus Free Files
100% Safe Downloads
Secure Payment
SSL Protected
Instant Delivery
Available Immediately
Sale!
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual – DOWNLOAD
Original price was: $52.95.$28.95Current price is: $28.95.
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual
Instant PDF Download
Available immediately
Save to Your Device
Download & keep forever
Antivirus Scanned
100% virus-free
Trusted Worldwide
175,000+ customers
Description
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual
FILE DETAILS:
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual
Brands: Komatsu
Equipment Type: Crawler Bulldozer
Manuals Type: Shop Manual
Machine Model: D20PL-7, D20PLL-7, D20AG-7, D20P-7A, D20PG-7A, D21A-7, D21AG-7, D21PG-7A, D21S-7, D21QG-7, D21A-7T
Serial Number: 62001 and up, 75001 and up, 61001 and up
Book Code: SEBM001408
Language: English
Pages: 716
File Format: Portable Document Format (PDF)
KOMATSU D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T BULLDOZER SHOP MANUAL – DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual
FOREWORD:
GENERAL:
- This shop manual has been prepared as an aid to improve the quality of repairs by giving the servicemen 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 chapters; these chapters are further divided into the each main group of components.
STRUCTURE AND FUNCTION:
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.
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 charts correlating “Problems” to “Causes” are also included in thissection.
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.
MAINTENANCE STANDARD :
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
Komatsu D20PL-7, D20AG-7, D20P-7A, D21A-7, D21S-7, D21QG-7, D21A-7T Bulldozer Shop Manual
COVER................................................................................................................................................. 1 CONTENTS.............................................................................................................................................. 2 01 GENERAL............................................................................................................................................ 27 SPECIFICATION DRAWINGS............................................................................................................................ 28 SPECIFICATIONS.................................................................................................................................... 34 WEIGHT TABLE...................................................................................................................................... 58 FUEL, COOLANT AND LUBRICANTS...................................................................................................................... 68 10 STRUCTURE AND FUNCTION............................................................................................................................. 75 ENGINE CONTROL.................................................................................................................................... 76 POWER TRAIN SYSTEM................................................................................................................................ 80 POWER TRAIN SKELETON.............................................................................................................................. 81 POWER TRAIN HYDRAULIC PIPING...................................................................................................................... 86 POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM............................................................................................................. 88 POWER TRAIN HYDRAULIC SYSTEM...................................................................................................................... 89 MAIN CLUTCH CONTROL............................................................................................................................... 95 MAIN CLUTCH....................................................................................................................................... 96 TRANSMISSION......................................................................................................................................102 DAMPER AND UNIVERSAL JOINT........................................................................................................................106 TRANSMISSION CONTROL..............................................................................................................................108 TRANSMISSION PUMP.................................................................................................................................115 HYDROSHIFT TRANSMISSION...........................................................................................................................116 TRANSMISSION CONTROL VALVE........................................................................................................................128 STEERING CLUTCH AND BRAKE CONTROL.................................................................................................................137 STEERING MAIN RELIEF VALVE........................................................................................................................138 STEERING CYLINDER.................................................................................................................................139 BRAKE CYLINDER....................................................................................................................................140 PPC VALVE.........................................................................................................................................142 BEVEL GEAR SHAFT AND STEERING CLUTCH..............................................................................................................148 STEERING BRAKE....................................................................................................................................151 FINAL DRIVE.......................................................................................................................................153 TRACK FRAME.......................................................................................................................................154 MAIN FRAME AND SUSPENSION.........................................................................................................................158 HYDRAULIC PIPING..................................................................................................................................159 HYDRAULIC CIRCUIT DIAGRAM.........................................................................................................................162 HYDRAULIC CIRCUIT SYSTEM..........................................................................................................................163 HYDRAULIC CONTROL.................................................................................................................................176 HYDRAULIC TANK AND FILTER.........................................................................................................................179 ANGLE SELECTOR VALVE..............................................................................................................................180 HYDRAULIC CONTROL VALVE...........................................................................................................................186 OPERATION OF WORK EQUIPMENT CONTROL CIRCUIT.......................................................................................................204 STRAIGHT TILTDOZER................................................................................................................................224 POWER ANGLE AND TILTDOZER.........................................................................................................................225 BUCKET AND LINK...................................................................................................................................226 ELECTRICAL WIRING DIAGRAM.........................................................................................................................227 ENGINE CONTROL....................................................................................................................................231 MONITOR SYSTEM....................................................................................................................................233 SENSORS...........................................................................................................................................234 20 TESTING AND ADJUSTING..............................................................................................................................240 STANDARD VALUE TABLE FOR ENGINE...................................................................................................................241 STANDARD VALUE TABLE FOR CHASSIS..................................................................................................................244 STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM........................................................................................................255 TABLE OF TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING.........................................................................................256 MEASURING ENGINE SPEED............................................................................................................................257 MEASURING EXHAUST COLOR...........................................................................................................................258 ADJUSTING VALVE CLEARANCE.........................................................................................................................259 MEASURING COMPRESSION PRESSURE....................................................................................................................262 MEASURING BLOW-BY.................................................................................................................................265 TESTING AND ADJUSTING FUEL INJECTION TIMING.......................................................................................................266 BLEEDING AIR FROM FUEL CIRCUIT....................................................................................................................270 MEASURING ENGINE OIL PRESSURE.....................................................................................................................271 TESTING AND ADJUSTING FAN BELT TENSION............................................................................................................272 ADJUSTING FUEL CONTROL LINKAGE....................................................................................................................273 ADJUSTING DECELEREATOR PEDAL LINKAGE..............................................................................................................275 MEASURING POWER TRAIN OIL PRESSURE................................................................................................................277 ADJUSTING PPC VALVE...............................................................................................................................278 BLEEDING AIR FROM STEERING CIRCUIT................................................................................................................278 MEASURING AND ADJUSTING WORK EQUIPMENT MAIN RELIEF PRESSURE.......................................................................................279 BLEEDING AIR FROM HYDRAULIC CYLINDERS.............................................................................................................280 BLEEDING AIR FROM ANGLE CYLINDER CIRCUIT..........................................................................................................281 ADJUSTING FUEL CONTROL LEVER......................................................................................................................282 PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE...................................................................................................283 ADJUSTING MAIN CLUTCH CONTROL LINKAGE.............................................................................................................285 ADJUSTING TRANSMISSION CONTROL LINKAGE............................................................................................................286 ADJUSTING TRAVEL OF INCHING PEDAL.................................................................................................................290 ADJUSTING BRAKE PEDAL, BRAKE CYLINDER.............................................................................................................292 ADJUSTING BRAKE LINING CLEARANCE..................................................................................................................293 TROUBLESHOOTING...................................................................................................................................294 POINTS TO REMEMBER WHEN TROUBLESHOOTING.......................................................................................................295 SEQUENCE OF EVENTS IN TROUBLESHOOTING.........................................................................................................296 PRECAUTIONS WHEN CARRYING OUT MAINTENANCE.....................................................................................................297 HANDLING CONNECTORS...........................................................................................................................304 CHECKS BEFORE TROUBLESHOOTING.................................................................................................................305 METHOD OF USING MATRIX TROUBLESHOOTING CHART..................................................................................................307 TROUBLESHOOTING OF ENGINE (S MODE)............................................................................................................312 S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME).............................................................................313 S-2 ENGINE DOES NOT START.................................................................................................................314 S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)..................................................................................317 S-4 ENGINE STOPS DURING OPERATIONS........................................................................................................318 S-5 ENGINE DOES NOT ROTATE SMOOTHLY.......................................................................................................319 S-6 ENGINE LACKS OUTPUT (NO POWER)........................................................................................................320 S-7 EXHAUST GAS IS BLACK (IMCOMPLETE COMBUSTION)..........................................................................................321 S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE).................................................................................322 S-9 OIL BECOMES CONTAMINATED QUICKLY......................................................................................................323 S-10 FUEL CONSUMPTION IS EXCESSIVE........................................................................................................324 S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN..............................................................325 S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE)...................................................................................326 S-13 OIL LEVEL RISES......................................................................................................................327 S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING).....................................................................................328 S-15 ABNORMAL NOISE IS MADE...............................................................................................................329 S-16 VIBRATION IS EXCESSIVE...............................................................................................................330 TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)......................................................................................332 METHOD OF USING TROUBLESHOOTING CHART.....................................................................................................333 H-1. MACHINE DOES NOT START...............................................................................................................335 H-2. DRAWBAR PULL IS WEAK, TRAVEL SPEED IS SLOW...........................................................................................336 H-3. EXCESSIVE TIME LAG WHEN STARTING OR SHIFTING GEAR....................................................................................337 H-4. STEERING DOES NOT WORK PROPERLY......................................................................................................338 H-5. MACHINE MOVES WHEN ENGINE IS STARTED.................................................................................................339 H-6. EXCESSIVE SHOCK WHEN STARTING OR SHIFTING GEAR.......................................................................................339 H-7. LEVEL OF OIL IN TRANSMISSION CASE OR BEVEL GEAR CASE CHANGES.........................................................................339 H-8. LACK OF BLADE LIFTING FORCE, SPEED...................................................................................................340 H-9. IMPOSSIBLE TO RAISE BLADE OR PUSH UP CHASSIS.........................................................................................341 H-10. EXCESSIVE HYDRAULIC DRIFT OF BLADE..................................................................................................342 H-11. BLADE MOVES UP AND DOWN DURING LEVELING OPERATIONS (CONTROL LEVER AT HOLD)..........................................................342 H-12. BLADE GOES DOWN.....................................................................................................................342 H-13. BLADE TILT LACKS POWER, SPEED, IMPOSSIBLE TO PUSH UP CHASSIS WITH TILT..............................................................343 H-14. BLADE CANNOT BE TILTED..............................................................................................................344 H-15. EXCESSIVE HYDRAULIC DRIFT OF BLADE TILT.............................................................................................345 H-16. BLADE ANGLE LACKS POWER, SPEED (APPLICABLE TO POWER ANGLE, POWER TILTDOZER).........................................................346 H-17. BLADE CANNOT BE ANGLED (APPLICABLE TO POWER ANGLE, POWER TILTDOZER).................................................................347 H-18. WHEN BLADE IS ANGLED, BLADE RETURNS TO STRAIGHT POSITION OR SHAKES DURING OPERATIONS (CONTROL LEVER AT HOLD)........................348 H-19. LIFT ARM LACKS LIFTING POWER, SPEED.................................................................................................349 H-20. IMPOSSIBLE TO RAISE LIFT ARM, IMPOSSIBLE TO RAISE CHASSIS...........................................................................350 H-21. EXCESSIVE HYDRAULIC DRIFT OF LIFT ARM...............................................................................................351 H-22. BUCKET TILT BACK LACKS POWER, SPEED.................................................................................................352 H-23. IMPOSSIBLE TO TILT BACK BUCKET......................................................................................................353 H-24. IMPOSSIBLE TO DUMP BUCKET, IMPOSSIBLE TO RAISE CHASSIS WITH DUMP CYLINDER...........................................................354 H-25. BUCKET DUMP SPEED IS SLOW...........................................................................................................355 H-26. EXCESSIVE HYDRAULIC DRIFT OF BUCKET DUMP CIRCUIT....................................................................................356 H-27. BUCKET MOVES UP AND DOWN ALONG GROUND SURFACE DURING LEVELING OPERATIONS, BUT LIFT ARM MOVES IRREGULARLY (CONTROL LEVER AT HOLD)....357 H-28. LIFT ARM GOES DOWN..................................................................................................................357 H-29. BUCKET MOVES IRREGULARLY DURING LEVELING OPERATIONS (CONTROL LEVER AT HOLD).........................................................357 H-30. BUCKET DUMPS........................................................................................................................357 H-31. WHEN BUCKET IS DUMPED TO MAXIMUM, IT IS IMPOSSIBLE TO RAISE LIFT ARM................................................................357 H-32. WORK EQUIPMENT CONTROL LEVERS ARE HEAVY.............................................................................................358 30 DISASSEMBLY AND ASSEMBLY...........................................................................................................................360 METHOD OF USING MANUAL............................................................................................................................362 PRECAUTIONS WHEN HANDLING PIPING DURING DISASSEMBLY...............................................................................................363 PRECAUTIONS WHEN CARRYING OUT OPERATION...........................................................................................................364 STARTING MOTOR....................................................................................................................................365 REMOVAL AND INSTALLATION......................................................................................................................365 ALTERNATOR........................................................................................................................................368 REMOVAL AND INSTALLATION......................................................................................................................368 FUEL INJECTION PUMP...............................................................................................................................371 REMOVAL.......................................................................................................................................371 INSTALLATION..................................................................................................................................372 WATER PUMP........................................................................................................................................377 REMOVAL AND INSTALLATION......................................................................................................................377 THERMOSTAT........................................................................................................................................380 REMOVAL AND INSTALLATION......................................................................................................................380 NOZZLE HOLDER.....................................................................................................................................383 REMOVAL AND INSTALLATION......................................................................................................................383 CYLINDER HEAD.....................................................................................................................................385 REMOVAL.......................................................................................................................................385 INSTALLATION..................................................................................................................................386 RADIATOR GUARD....................................................................................................................................391 REMOVAL.......................................................................................................................................391 INSTALLATION..................................................................................................................................392 RADIATOR..........................................................................................................................................395 REMOVAL.......................................................................................................................................395 INSTALLATION..................................................................................................................................396 ENGINE............................................................................................................................................399 REMOVAL.......................................................................................................................................399 INSTALLATION..................................................................................................................................400 DAMPER (D21-7)....................................................................................................................................405 REMOVAL.......................................................................................................................................405 INSTALLATION..................................................................................................................................406 MAIN CLUTCH (D20-7)...............................................................................................................................407 REMOVAL.......................................................................................................................................407 INSTALLATION..................................................................................................................................409 DISASSEMBLY...................................................................................................................................411 ASSEMBLY......................................................................................................................................416 TRANSMISSION (D20-7)..............................................................................................................................421 REMOVAL.......................................................................................................................................421 INSTALLATION..................................................................................................................................422 DISASSEMBLY...................................................................................................................................423 ASSEMBLY......................................................................................................................................427 HYDROSHIFT TRANSMISSION (D21-7)...................................................................................................................433 REMOVAL.......................................................................................................................................433 INSTALLATION..................................................................................................................................435 DISASSEMBLY...................................................................................................................................436 ASSEMBLY......................................................................................................................................451 STEERING PUMP.....................................................................................................................................468 REMOVAL AND INSTALLATION......................................................................................................................468 MODULATING VALVE AND PUMP (D21-7).................................................................................................................469 REMOVAL AND INSTALLATION......................................................................................................................469 MODULATING VALVE (D21-7)..........................................................................................................................470 DISASSEMBLY...................................................................................................................................470 ASSEMBLY......................................................................................................................................471 SELECTOR AND INCHING VALVE (D21-7)................................................................................................................472 REMOVAL AND INSTALLATION......................................................................................................................472 DISASSEMBLY...................................................................................................................................473 ASSEMBLY......................................................................................................................................474 MAIN RELIEF VALVE.................................................................................................................................475 REMOVAL AND INSTALLATION......................................................................................................................475 STEERING PPC VALVE................................................................................................................................476 REMOVAL AND INSTALLATION......................................................................................................................476 DISASSEMBLY...................................................................................................................................477 ASSEMBLY......................................................................................................................................478 STEERING CLUTCH...................................................................................................................................479 REMOVAL.......................................................................................................................................479 INSTALLATION..................................................................................................................................481 DISASSEMBLY...................................................................................................................................482 ASSEMBLY......................................................................................................................................484 BEVEL GEAR SHAFT AND BEVEL GEAR...................................................................................................................487 REMOVAL.......................................................................................................................................487 INSTALLATION..................................................................................................................................491 FINAL DRIVE.......................................................................................................................................496 REMOVAL AND INSTALLATION......................................................................................................................496 FINAL DRIVE FIRST PINION..........................................................................................................................497 REMOVAL.......................................................................................................................................497 INSTALLATION..................................................................................................................................498 FINAL DRIVE.......................................................................................................................................500 DISASSEMBLY...................................................................................................................................500 ASSEMBLY......................................................................................................................................503 POWER TRAIN OIL COOLER............................................................................................................................507 REMOVAL AND INSTALLATION......................................................................................................................507 TRACK FRAME.......................................................................................................................................509 REMOVAL AND INSTALLATION......................................................................................................................509 (D20, 21AG-7, D21A, S, QG-7, D20P-7A, D20, 21PG-7A).......................................................................................509 (D20PL-7, D20PLL-7).......................................................................................................................510 RECOIL SPRING.....................................................................................................................................511 REMOVAL AND INSTALLATION......................................................................................................................511 (D20, 21AG-7, D21A, S, QG-7, D20P-7A, D20, 21PG-7A).......................................................................................511 (D20PL-7, D20PLL-7).......................................................................................................................512 DISASSEMBLY AND ASSEMBLY......................................................................................................................513 IDLER.............................................................................................................................................514 REMOVAL AND INSTALLATION......................................................................................................................514 CARRIER ROLLER....................................................................................................................................514 REMOVAL AND INSTALLATION......................................................................................................................514 IDLER.............................................................................................................................................515 DISASSEMBLY...................................................................................................................................515 ASSEMBLY......................................................................................................................................517 CARRIER ROLLER....................................................................................................................................519 DISASSEMBLY...................................................................................................................................519 ASSEMBLY......................................................................................................................................520 TRACK ROLLER......................................................................................................................................521 REMOVAL AND INSTALLATION......................................................................................................................521 DISASSEMBLY...................................................................................................................................522 ASSEMBLY......................................................................................................................................523 TRACK SHOE........................................................................................................................................529 REMOVAL AND INSTALLATION......................................................................................................................529 HYDRAULIC PUMP....................................................................................................................................530 REMOVAL AND INSTALLATION......................................................................................................................530 HYDRAULIC CONTROL VALVE...........................................................................................................................533 REMOVAL AND INSTALLATION......................................................................................................................533 DISSASSEMBLY..................................................................................................................................535 D20AG, PL-7, D21A, AG-7, D20P, PG-7A, D21PG-7A, D20PLL-7..................................................................................535 D21S, QG-7................................................................................................................................539 ASSEMBLY......................................................................................................................................537 D20AG, PL-7, D21A, AG-7, D20P, PG-7A, D21PG-7A, D20PLL-7..................................................................................537 D21S, QG-7................................................................................................................................541 BLADE LIFT CYLINDER...............................................................................................................................543 REMOVAL AND INSTALLATION......................................................................................................................543 D21A-7, D20, 21AG-7, D20P-7A, D20, 21PG-7A................................................................................................543 D20PL-7, D20PLL-7.........................................................................................................................544 BLADE TILT CYLINDER...............................................................................................................................545 REMOVAL AND INSTALLATION......................................................................................................................545 D21A-7, D20, 21AG-7, D20P-7A, D20, 21PG-7A................................................................................................545 D20PL-7, D20PLL-7.........................................................................................................................546 BLADE ANGLE CYLINDER..............................................................................................................................547 REMOVAL AND INSTALLATION......................................................................................................................547 BUCKET LIFT CYLINDER (D21S, QG-7).................................................................................................................548 REMOVAL AND INSTALLATION......................................................................................................................548 BUCKET DUMP CYLINDER (D21S, QG-7).................................................................................................................549 REMOVAL AND INSTALLATION......................................................................................................................549 HYDRAULIC CYLINDER................................................................................................................................550 DISASSEMBLY...................................................................................................................................550 ASSEMBLY......................................................................................................................................552 WORK EQUIPMENT....................................................................................................................................554 REMOVAL AND INSTALLATION......................................................................................................................554 D21A-7, D20, 21AG-7, D20P-7A, D20, 21PG-7A................................................................................................554 D20PL-7, D20PLL-7.........................................................................................................................555 BLADE.............................................................................................................................................556 REMOVAL AND INSTALLATION......................................................................................................................556 D21A-7, D20, 21AG-7, D20P-7A, D20, 21PG-7A................................................................................................556 D20PL-7, D20PLL-7.........................................................................................................................557 WORK EQUIPMENT (D21S, QG-7).......................................................................................................................558 REMOVAL AND INSTALLATION......................................................................................................................558 BUCKET (D21S, QG-7)...............................................................................................................................559 REMOVAL AND INSTALLATION......................................................................................................................559 OPERATOR'S SEAT FRAME.............................................................................................................................560 REMOVAL.......................................................................................................................................560 INSTALLATION..................................................................................................................................561 40 MAINTENANCE STANDARD...............................................................................................................................562 MAIN CLUTCH.......................................................................................................................................563 TRANSMISSION......................................................................................................................................567 DAMPER AND UNIVERSAL JOINT........................................................................................................................570 HYDROSHIFT TRANSMISSION...........................................................................................................................571 TRANSMISSION CONTROL VALVE........................................................................................................................575 MAIN CLUTCH AND STEERING PUMP.....................................................................................................................579 STEERING MAIN RELIEF VALVE........................................................................................................................580 TRANSMISSION AND STEERING PUMP....................................................................................................................581 PPC VALVE.........................................................................................................................................582 STEERING CYLINDER.................................................................................................................................583 BEVEL GEAR SHAFT..................................................................................................................................584 STEERING CLUTCH...................................................................................................................................585 STEERING BRAKE....................................................................................................................................587 FINAL DRIVE.......................................................................................................................................589 TRACK FRAME.......................................................................................................................................591 IDLER CUSHION.....................................................................................................................................595 IDLER.............................................................................................................................................597 TRACK ROLLER......................................................................................................................................601 CARRIER ROLLER....................................................................................................................................605 TRACK SHOE (LUBRICATED TRACK LINK) D20PL, PLL-7, D21A-7, D20P-7A..................................................................................607 TRACK SHOE (DRY TYPE TRACK LINK) D20PL, PLL-7, D21A-7, D20P-7A....................................................................................609 TRACK SHOE (LUBRICATED TRACK LINK) D21S-7.........................................................................................................611 TRACK SHOE (DRY TYPE TRACK LINK) D21S-7...........................................................................................................613 RUBBER CRAWLER....................................................................................................................................615 HYDRAULIC PUMP....................................................................................................................................618 HYDRAULIC CONTROL VALVE...........................................................................................................................621 HYDRAULIC CYLINDER................................................................................................................................631 STRAIGHT TILTDOZER................................................................................................................................637 POWER ANGLE AND TILTDOZER.........................................................................................................................639 BUCKET AND LINK...................................................................................................................................641 90 OTHERS.............................................................................................................................................644 TRIMMING DOZER....................................................................................................................................646 CONTENTS......................................................................................................................................647 GENERAL.......................................................................................................................................648 SPECIFICATION DRAWING.....................................................................................................................648 SPECIFICATIONS............................................................................................................................649 WEIGHT TABLE..............................................................................................................................653 TABLE OF FUEL, COOLANT AND LUBRICANTS.....................................................................................................655 STRUCTURE AND FUNCTION........................................................................................................................657 POWER TRAIN SKELETON......................................................................................................................657 POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM.....................................................................................................658 TRANSMISSION CONTROL......................................................................................................................660 HYDROSHIFT TRANSMISSION...................................................................................................................665 TRANSMISSION CONTROL VALVE................................................................................................................667 TRACK FRAME...............................................................................................................................669 HYDRAULIC PIPING..........................................................................................................................670 WORK EQUIPMENT HYDRAULIC CIRCUIT DIAGRAM..................................................................................................671 WORK EQUIPMENT CONTROL....................................................................................................................674 WORK EQUIPMENT CONTROL VALVE..............................................................................................................677 TRIMMING DOZER............................................................................................................................688 ELECTRICAL WIRING DIAGRAM.................................................................................................................689 MONITOR SYSTEM............................................................................................................................693 MAINTENANCE STANDARD..........................................................................................................................695 HYDROSHIFT TRANSMISSION...................................................................................................................695 TRANSMISSION CONTROL VALVE................................................................................................................697 TRACK FRAME...............................................................................................................................699 IDLER CUSHION.............................................................................................................................700 IDLER.....................................................................................................................................701 TRACK ROLLER..............................................................................................................................703 CARRIER ROLLER............................................................................................................................706 TRACK SHOE (DRY TYPE TRACK LINK)..........................................................................................................707 WORK EQUIPMENT CONTROL VALVE..............................................................................................................709 HYDRAULIC CYLINDER........................................................................................................................713 TRIMMING DOZER............................................................................................................................715
PLEASE NOTE:
- This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
- This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
- Require some other service manual or have any queries: please WRITE to us at [email protected]
