Komatsu D85A-21 Bull Dozer Shop Manual SEBM015C2104

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Komatsu D85A-21 Bull Dozer Shop Manual SEBM015C2104

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBM015C2104
Format: PDF
Size: 18.8MB
Number of Pages: 392

Category: Komatsu Shop Manual PDF

Model List:
- D85A-21 Bull Dozer

1. COVER
2. CONTENTS
3. ENGINE
3.1. TESTING AND ADJUSTING
3.1.1. TABLE OF JUDGEMENT STANDARD VALUE
3.1.2. TESTING AND ADJUSTING TOOL LIST
3.1.3. ADJUSTING VALVE CLEARANCE
3.1.4. MEASURING COMPRESSION PRESSURE
3.1.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
3.1.6. BLEEDING AIR FROM FUEL SYSTEM
3.2. DISASSEMBLY AND ASSEMBLY
3.2.1. FUEL INJECTION PUMP
3.2.1.1. REMOVAL
3.2.1.2. INSTALLATION
3.2.2. ENGINE OIL COOLER
3.2.2.1. REMOVAL
3.2.2.2. INSTALLATION
3.3. STRUCTURE AND FUNCTION
3.3.1. GENERAL
3.3.2. POWER TRAIN HYDRAULIC SYSTEM
3.3.3. POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
3.3.4. TORQUE CONVERTER
3.3.5. TORQFLOW TRANSMISSION
3.3.6. TRANSMISSION CONTROL
3.3.7. TRANSMISSION HYDRAULIC PIPING
3.3.8. TORQFLOW HYDRAULIC SYSTEM
3.3.9. TORQFLOW HYDRAULIC CIRCUIT DIAGRAM
3.3.10. TRANSMISSION CONTROL VALVE
3.3.11. TRANSMISSION LUBRICATION VALVE
3.3.12. TRANSMISSION PUMP
3.3.13. TRANSMISSION AND STEERING OIL STRAINER
3.3.14. TRANSMISSION AND STEERING OIL FILTER
3.3.15. BEVEL GEAR SHAFT AND STEERING CLUTCH
3.3.16. STEERING CONTROL
3.3.17. STEERING HYDRAULIC PIPING
3.3.18. STEERING AND BRAKE HYDRAULIC SYSTEM
3.3.19. STEERING AND BRAKE HYDRAULIC CIRCUIT DIAGRAM
3.3.20. STEERING PUMP
3.3.21. STEERING MAIN RELIEF VALVE
3.3.22. STEERING AND BRAKE CONTROL VALVE
3.3.23. STEERING BRAKE
3.3.24. FINAL DRIVE
3.4. TESTING AND ADJUSTING
3.4.1. STANDARDS FOR TESTING AND ADJUSTING
3.4.2. TESTING AND ADJUSTING TOOL LIST
3.4.3. MEASURING TORQUE CONVERTER STALL SPEED
3.4.4. MEASURING OIL PRESSURE
3.4.5. ADJUSTING FUEL CONTROL LINKAGE
3.4.6. ADJUSTING GEAR SHIFT LEVER
3.4.7. ADJUSTING STEERING CLUTCH LINKAGE
3.4.8. ADJUSTING TRAVEL OF BRAKE PEDAL
3.4.9. ADJUSTING BRAKE PEDAL LINKAGE
3.4.10. TROUBLESHOOTING
3.4.11. PREPARATION FOR TROUBLESHOOTING
3.4.12. METHOD OF READING TROUBLESHOOTING TABLE
3.4.13. PREVENTING RECURRENCE OF THE SAME TROUBLE
3.4.14. TROUBLESHOOTING
3.4.14.1. TORQUE CONVERTER TEMPERATURE TOO HIGH
3.4.14.2. MACHINE DOES NOT MOVE
3.4.14.3. MACHINE LACKS POWER OR SPEED
3.4.14.4. MACHINE MOVES WHEN ENGINE IS STARTED
3.4.14.5. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR
3.4.14.6. EXCESSIVE SHOCK WHEN STARTING MACHINE OR SHIFTING GEAR
3.4.14.7. MACHINE TRAVELS IN ONE DIRECTION ONLY (FORWARD OR REVERSE)
3.4.14.8. STEERING CLUTCH DOES NOT DISENGAGE
3.4.14.9. STEERING CLUTCH SLIPS
3.4.14.10. STEERING BRAKE DOES NOT WORK
3.5. DISASSEMBLY AND ASSEMBLY
3.5.1. TORQUE CONVERTER
3.5.1.1. REMOVAL
3.5.1.2. INSTALLATION
3.5.1.3. DISASSEMBLY
3.5.1.4. ASSEMBLY
3.5.2. TORQUE CONVERTER RELIEF VALVE
3.5.2.1. REMOVAL
3.5.2.2. INSTALLATION
3.5.2.3. DISASSEMBLY
3.5.2.4. ASSEMBLY
3.5.3. TORQUE CONVERTER REGULATOR VALVE
3.5.3.1. REMOVAL
3.5.3.2. INSTALLATION
3.5.3.3. DISASSEMBLY
3.5.3.4. ASSEMBLY
3.5.4. TRANSMISSION CONTROL VALVE
3.5.4.1. REMOVAL
3.5.4.2. INSTALLATION
3.5.4.3. DISASSEMBLY
3.5.4.4. ASSEMBLY
3.5.5. TRANSMISSION LUBRICATION VALVE
3.5.5.1. REMOVAL
3.5.5.2. INSTALLATION
3.5.5.3. DISASSEMBLY
3.5.5.4. ASSEMBLY
3.5.6. BEVEL GEAR AND SHAFT
3.5.6.1. REMOVAL
3.5.6.2. INSTALLATION
3.5.7. STEERING CLUTCH
3.5.8. STEERING RELIEF VALVE
3.5.8.1. REMOVAL
3.5.8.2. INSTALLATION
3.5.8.3. DISASSEMBLY
3.5.8.4. ASSEMBLY
3.5.9. STEERING BRAKE VALVE
3.5.9.1. REMOVAL
3.5.9.2. INSTALLATION
3.5.9.3. DISASSEMBLY
3.5.9.4. ASSEMBLY
3.5.10. TRANSMISSION PUMP
3.6. MAINTENANCE STANDARD
3.6.1. TORQUE CONVERTER
3.6.2. TORQFLOW TRANSMISSION
3.6.3. TRANSMISSION CONTROL VALVE
3.6.4. TRANSMISSION LUBRICATION VALVE
3.6.5. TRANSMISSION PUMP
3.6.6. BEVEL GEAR SHAFT
3.6.7. STEERING CLUTCH
3.6.8. STEERING PUMP
3.6.9. STEERING MAIN RELIEF VALVE
3.6.10. STEERING AND BRAKE CONTROL VALVE
3.6.11. STEERING BRAKE
3.6.12. FINAL DRIVE
4. UNDERCARRIAGE
4.1. STRUCTURE AND FUNCTION
4.1.1. TRACK
4.1.2. TRACK GROUP
4.1.3. IDLER
4.1.4. IDLER CUSHION
4.1.5. TRACK ROLLER AND CARRIER ROLLER
4.1.6. SUSPENSION
4.2. DISASSEMBLY AND ASSEMBLY
4.3. MAINTENANCE STANDARD
5. HYDRAULIC SYSTEM
5.1. STRUCTURE AND FUNCTION
5.1.1. HYDRAULIC PIPING
5.1.2. HYDRAULIC CONTROL
5.1.3. HYDRAULIC SYSTEM
5.1.4. HYDRAULIC CIRCUIT DIAGRAM
5.1.5. HYDRAULIC TANK
5.1.6. HYDRAULIC PUMP
5.1.7. HYDRAULIC CONTROL VALVE
5.1.8. HYDRAULIC LEVER OPERATION
5.1.9. HYDRAULIC CYLINDER
5.1.10. CYLINDER STAY
5.2. TESTING AND ADJUSTING
5.2.1. STANDARDS FOR TESTING AND ADJUSTING
5.2.2. TESTING AND ADJUSTING TOOL LIST
5.2.3. MEASURING OIL PRESSURE
5.2.4. ADJUSTING BLADE CONTROL LINKAGE
5.2.5. ADJUSTING RIPPER CONTROL LINKAGE
5.2.6. TROUBLESHOOTING
5.2.6.1. DIAGNOSTIC TABLES
5.2.6.1.1. BLADE LIFT LACKS POWER AND SPEED
5.2.6.1.2. BLADE DOES NOT LIFT
5.2.6.1.3. THE FRONT OF MACHINE CANNOT BE RAISED OFF GROUND BY THE BLADE
5.2.6.1.4. HYDRAULIC DRIFT OF LIFT CYLINDER IS LARGE
5.2.6.1.5. BLADE MOVES UNSTEADILY WHEN LEVELING THE GROUND (CONTROL LEVER IN HOLD)
5.2.6.1.6. BLADE LOWERS UNDER THE FOLLOWING CONDITIONS
5.2.6.1.7. TRAVEL OF THE PISTON RODS IN THE RIGHT AND LEFT LIFT CYLINDERS IS DIFFERENT (APPLICABLE TO STRAIGHTTILT DOZER ONLY)
5.2.6.1.8. BLADE TILTING FORCE IS LACK, BLADE TILTING SPEED IS SLOW, THE MACHINE CANNOT BE RAISED OFF GROUND BY BLADE TILTING FORCE
5.2.6.1.9. TILT CYLINDER DOES NOT MOVE OFF (TILTING IS IMPOSSIBLE)
5.2.6.1.10. HYDRAULIC DRIFT OF TILT CYLINDER IS LARGE
5.2.6.1.11. OPERATION FORCE IS HEAVY
5.2.6.1.12. HYDRAULIC DRIFT OF RIPPER CYLINDER IS LARGE
5.3. DISASSEMBLY AND ASSEMBLY
5.3.1. HYDRAULIC PUMP
5.3.1.1. REMOVAL
5.3.1.2. INSTALLATION
5.3.2. BLADE CONTROL VALVE
5.3.2.1. REMOVAL
5.3.2.2. INSTALLATION
5.3.2.3. DISASSEMBLY
5.3.2.4. ASSEMBLY
5.3.3. RIPPER CONTROL VALVE
5.3.3.1. REMOVAL
5.3.3.2. INSTALLATION
5.3.3.3. DISASSEMBLY
5.3.3.4. ASSEMBLY
5.3.4. BLADE LIFT CYLINDER
5.3.4.1. REMOVAL
5.3.4.2. INSTALLATION
5.3.5. BLADE TILT CYLINDER
5.3.5.1. REMOVAL
5.3.5.2. INSTALLATION
5.3.6. RIPPER CYLINDER
5.3.6.1. REMOVAL
5.3.6.2. INSTALLATION
5.3.7. HYDRAULIC CYLINDER
5.3.7.1. DISASSEMBLY
5.3.7.2. ASSEMBLY
5.3.8. BLADE RELIEF VALVE
5.3.8.1. REMOVAL
5.3.8.2. INSTALLATION
5.3.9. RIPPER RELIEF VALVE
5.3.9.1. REMOVAL
5.3.9.2. INSTALLATION
5.4. MAINTENANCE STANDARD
5.4.1. HYDRAULIC CONTROL VALVE
5.4.2. HYDRAULIC CYLINDER
5.4.3. CYLINDER STAY
5.4.4. HYDRAULIC PUMP
6. WORK EQUIPMENT
6.1. STRUCTURE AND FUNCTION
6.1.1. ANGLEDOZER
6.1.2. STRAIGHT TILTDOZER
6.1.3. FIXED MULTISHANK RIPPER
6.2. DISASSEMBLY AND ASSEMBLY
6.3. MAINTENANCE STANDARD
6.3.1. ANGLEDOZER
6.3.2. STRAIGHT TILTDOZER
6.3.3. CUTTING EDGE, END FIT
6.3.4. FIXED MULTISHANK RIPPER
7. ELECTRIC SYSTEM
7.1. STRUCTURE AND FUNCTION
7.1.1. WIRING DIAGRAM
8. OTHERS
8.1. DISASSEMBLY AND ASSEMBLY
8.1.1. FLOOR FRAME
8.1.1.1. REMOVAL
8.1.1.2. INSTALLATION

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