Komatsu D85A-21 Timming Dozer Shop Manual SEBM001600

Description

• Model List:
  • D85A-21 Timming Dozer

• 1. COVER
• 2. CONTENTS
• 3. GENERAL
• 3.1. WEIGHT TABLE
• 4. STRUCTURE AND FUNCTION
• 4.1. POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM
• 4.2. TORQFLOW TRANSMISSION
• 4.3. STEERING CONTROL
• 4.4. TRACK GROUP
• 4.5. HYDRAULIC PIPING
• 4.6. HYDRAULIC CIRCUIT DIAGRAM
• 4.7. TRIMMING CONTROL VALVE
• 4.8. HYDRAULIC CONTROL
• 4.9. WIRING DIAGRAM
• 5. TESTING AND ADJUSTING
• 5.1. STANDARD VALUE TABLE FOR ENGINE
• 5.2. STANDARD VALUE TABLE FOR CHASSIS
• 5.3. MEASURING OIL PRESSURE
• 5.4. ADJUSTING FUEL CONTROL LINKAGE
• 5.5. ADJUSTING TRAVEL OF TRAKE PEDAL
• 5.6. ADJUSTING BRAKE PEDAL LINKAGE
• 5.7. TROUBLESHOOTING
• 5.7.1. BLADE DOES NOT LIFT
• 5.7.2. THE FRONT OF MACHINE CANNOT BE RAISED OFF GROUND BY THE BLADE
• 5.7.3. HYDRAULIC DRIFT OF LIFT CYLINDER IS LARGE
• 6. MAINTENANCE STANDARD
• 6.1. TRANSMISSION PUMP
• 6.2. STEERING AND BRAKE CONTROL VALVE
• 6.3. TRACK FRAME
• 6.4. TRIMMING CONTROL VALVE
• 6.5. HYDRAULIC CYLINDER
• 6.6. CYLINDER STAY
• 6.7. TRIMMING DOZER