Komatsu D85A-21 Bull Dozer Shop Manual SEBM015C2104
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Komatsu D85A-21 Bull Dozer Shop Manual SEBM015C2104

$50.00

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

Description

  • 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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