Komatsu WA70-1 Wheel Loader Shop Manual SEBM04150104
Komatsu WA70-1 Wheel Loader Shop Manual SEBM04150104 - Image 2
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Komatsu WA70-1 Wheel Loader Shop Manual SEBM04150104 - Image 5

Komatsu WA70-1 Wheel Loader Shop Manual SEBM04150104

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: SEBM04150104
  • Format: PDF
  • Size: 48.7MB
  • Number of Pages: 498
Category:

Description

  • Model List:

    • WA70-1 Wheel Loader
  • 1. COVER
  • 2. CONTENTS
  • 3. ENGINE
  • 3.1. TESTING AND ADJUSTING
  • 3.1.1. STANDARD VALUE TABLE
  • 3.1.2. TOOL LIST FOR TESTING AND ADJUSTING
  • 3.1.3. ADJUSTING VALVE CLEARANCE
  • 3.1.4. MEASURING COMPRESSION PRESSURE
  • 3.1.5. TESTING AND ADJUSTING FUEL INJECTION TIMING
  • 3.1.6. ADJUSTING FUEL INJECTION TIMING
  • 3.1.7. TESTING AND ADJUSTING FAN BELT TENSION
  • 3.1.8. TESTING AND ADJUSTING FAN BELT TENSION
  • 3.1.9. ADJUSTING OF FUEL CUT SOLENOID
  • 3.1.10. MEASURING OPERATING FORCE AND OPERATING ANGLE OF ACCELERATOR PEDAL
  • 3.2. DISASSEMBLY AND ASSEMBLY
  • 3.2.1. FUEL INJECTION PUMP
  • 3.3. STRUCTURE AND FUNCTION
  • 3.3.1. GENERAL
  • 3.3.2. HYDRAULIC CIRCUIT FOR POWER TRAIN
  • 3.3.2.1. HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN
  • 3.3.3. TORQUE CONVERTER AND TRANSMISSION PIPING
  • 3.3.4. TORQUE CONVERTER OIL FILTER
  • 3.3.5. TORQUE CONVERTER
  • 3.3.5.1. TORQUE CONVERTER OIL OUTLET VALVE
  • 3.3.6. TORQFLOW TRANSMISSION
  • 3.3.7. TRANSMISSION CONTROL VALVE
  • 3.3.7.1. MAIN REGULATOR VALVE
  • 3.3.7.2. QUICK RETURN VALVE AND ACCUMULATOR
  • 3.3.7.3. POWER MODULATING FUNCTION
  • 3.3.7.4. ACTION OF THE CLUTCH CUTOFF VALVE
  • 3.3.7.5. ACCUMULATOR VALVE
  • 3.3.7.6. FORWARD 1ST
  • 3.3.8. TRANSMISSION CONTROL LINKAGE
  • 3.4. TESTING AND ADJUSTING
  • 3.4.1. STANDARD VALUE TABLE
  • 3.4.2. TOOL LIST FOR TESTING AND ADJUSTING
  • 3.4.3. MEASURING ENGINE STALL SPEED
  • 3.4.4. MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION
  • 3.4.5. MEASURING SHIFT LEVER
  • 3.4.6. MEASURING VALVE SPOOL OPERATING FORCE AND TRAVEL
  • 3.4.7. TROUBLESHOOTING
  • 3.4.7.1. PRECAUTIONS WHEN TROUBLESHOOTING
  • 3.4.7.2. METHOD OF READING TROUBLESHOOTING TABLE
  • 3.4.7.3. PREVENTING RECURRENCE OF TROUBLE
  • 3.4.7.4. TROUBLESHOOTING TABLE
  • 3.5. DISASSEMBLY AND ASSEMBLY
  • 3.5.1. TORQUE CONVERTER, TRANSMISSION
  • 3.5.1.1. REMOVAL
  • 3.5.1.2. INSTALLATION
  • 3.5.2. TORQUE CONVERTER
  • 3.5.3. TRANSMISSION VALVE
  • 3.5.3.1. REMOVAL
  • 3.5.3.2. INSTALLATION
  • 3.5.4. TRANSMISSION CONTROL VALVE
  • 3.6. MAINTENANCE STANDARD
  • 3.6.1. TRANSMISSION AND ENGINE MOUNT
  • 3.6.2. TORQUE CONVERTER
  • 3.6.3. TRANSMISSION (1/2) (SERIAL NO. 1000111999)
  • 3.6.4. TRANSMISSION (2/2) (SERIAL NO. 1000111999)
  • 3.6.5. TRANSMISSION CLUTCH ASSEMBLY (SERIAL NO. 1000111999)
  • 3.6.6. TRANSMISSION (1/3) (SERIAL NO. 12001AND UP)
  • 3.6.7. TRANSMISSION (2/3) (SERIAL NO. 12001AND UP)
  • 3.6.8. TRANSMISSION (3/3) (SERIAL NO. 12001AND UP)
  • 3.6.9. TRANSMISSION CONTROL VALVE
  • 3.6.10. DIFFERENTIAL (1/2)
  • 3.6.11. DIFFERENTIAL (2/2)
  • 3.6.12. DRIVE SHAFT
  • 3.6.13. FINAL DRIVE
  • 3.6.14. AXLE MOUNT
  • 4. STEERING SYSTEM
  • 4.1. STRUCTURE AND FUNCTION
  • 4.1.1. HYDRAULIC CIRCUIT FOR STEERING
  • 4.1.2. HYDRAULIC CIRCUIT DIAGRAM FOR STEERING
  • 4.1.3. FLOW DIVIDER VALVE
  • 4.1.4. STEERING VALVE
  • 4.1.5. STEERING CYLINDER
  • 4.1.6. CENTER HINGE PIN
  • 4.2. TESTING AND ADJUSTING
  • 4.2.1. STANDARD VALUE TABLE
  • 4.2.2. TOOL LIST FOR TESTING AND ADJUSTING
  • 4.2.3. MEASURING STEERING WHEEL PLAY
  • 4.2.4. MEASURING OPERATING FORCE OF STEERING WHEEL
  • 4.2.5. MEASURING OPERATING TIME OF STEERING WHEEL
  • 4.2.6. MEASURING STEERING OIL PRESSURE
  • 4.2.7. TROUBLESHOOTING
  • 4.2.7.1. TROUBLESHOOTING TABLE
  • 4.3. DISASSEMBLY AND ASSEMBLY
  • 4.3.1. FLOW DIVIDER VALVE
  • 4.3.2. STEERING CYLINDER
  • 4.3.2.1. REMOVAL
  • 4.3.2.2. INSTALLATION
  • 4.3.2.3. DISASSEMBLY
  • 4.3.2.4. ASSEMBLY
  • 4.3.3. CENTER HINGE PIN
  • 4.3.3.1. REMOVAL
  • 4.3.3.2. INSTALLATION
  • 4.4. MAINTENANCE STANDARD
  • 4.4.1. STEERING COLUMN
  • 4.4.2. FLOW DIVIDER VALVE
  • 4.4.3. STEERING CYLINDER MOUNT
  • 4.4.4. STEERING CYLINDER
  • 4.4.5. CENTER HINGE PIN
  • 5. BRAKE SYSTEM
  • 5.1. STRUCTURE AND FUNCTION
  • 5.1.1. BRAKE PIPING
  • 5.1.2. BRAKE MASTER CYLINDER
  • 5.1.3. WHEEL BRAKE
  • 5.1.4. PARKING BRAKE
  • 5.1.4.1. BRAKE CALIPER
  • 5.2. TESTING AND ADJUSTING
  • 5.2.1. STANDARD VALUE TABLE
  • 5.2.2. TOOL LIST FOR TESTING AND ADJUSTING
  • 5.2.3. MEASURING BRAKE PEDAL
  • 5.2.4. TESTING AND ADJUSTING OF BRAKE PEDAL LINKAGE
  • 5.2.5. TESTING BRAKE PERFORMANCE
  • 5.2.6. MEASURING BRAKE OIL PRESSURE
  • 5.2.7. MEASURING WEAR OF BRAKE DISC
  • 5.2.8. AIR BLEEDING FROM BRAKE CIRCUIT
  • 5.2.9. TESTING PARKING BRAKE PERFORMANCE
  • 5.2.10. CHECKING AND ADJUSTING PARKING BRAKE
  • 5.2.11. MEASURING CLEARANCE OF PARKING BRAKE
  • 5.2.12. TROUBLESHOOTING
  • 5.2.12.1. TROUBLESHOOTING TABLE
  • 5.3. DISASSEMBLY AND ASSEMBLY
  • 5.3.1. MASTER CYLINDER
  • 5.3.2. PARKING BRAKE PAD
  • 5.3.2.1. REMOVAL
  • 5.3.2.2. INSTALLATION
  • 5.4. MAINTENANCE STANDARD
  • 5.4.1. BRAKE MASTER CYLINDER
  • 5.4.2. WHEEL BRAKE
  • 5.4.3. PARKING BRAKE
  • 6. WORK EQUIPMENT SYSTEM
  • 6.1. STRUCTURE AND FUNCTION
  • 6.1.1. GENERAL
  • 6.1.2. HYDRAULIC CIRCUIT
  • 6.1.3. HYDRAULIC CIRCUIT DIAGRAM
  • 6.1.4. HYDRAULIC TANK
  • 6.1.4.1. OIL FILTER
  • 6.1.4.2. BREATHER
  • 6.1.5. MAIN CONTROL VALVE
  • 6.1.5.1. RELIEF VALVE
  • 6.1.5.2. SAFETY VALVE
  • 6.1.5.3. SUCTION VALVE
  • 6.1.6. WORK EQUIPMENT LEVER LINKAGE
  • 6.1.7. HYDRAULIC PUMP
  • 6.1.8. HYDRAULIC CYLINDER
  • 6.1.9. BUCKET LINKAGE
  • 6.1.10. BUCKET POSITIONER
  • 6.2. TESTING AND ADJUSTING
  • 6.2.1. STANDARD VALUE TABLE
  • 6.2.2. TOOL LIST FOR TESTING AND ADJUSTING
  • 6.2.3. MEASURING DUMP AND LIFT CONTROL LEVERS
  • 6.2.4. ADJUSTING DUMP AND LIFT CONTROL LEVERS
  • 6.2.5. MEASURING DUMP AND LIFT CONTROL VALVE SPOOL TRAVEL
  • 6.2.6. MEASURING HYDRAULIC PRESSURE
  • 6.2.7. MEASURING LIFT ARM AND BUCKET
  • 6.2.8. MEASURING HYDRAULIC DRIFT OF LIFT ARM AND BUCKET
  • 6.2.9. ADJUSTING BUCKET POSITIONER
  • 6.2.10. TROUBLESHOOTING
  • 6.2.10.1. TROUBLESHOOTING TABLE
  • 6.3. DISASSEMBLY AND ASSEMBLY
  • 6.3.1. MAIN CONTROL VALVE
  • 6.3.1.1. REMOVAL
  • 6.3.1.2. INSTALLATION
  • 6.3.1.3. DISASSEMBLY (SERIAL NO. 1000111999)
  • 6.3.1.4. ASSEMBLY (SERIAL NO. 1000111999)
  • 6.3.1.5. DISASSEMBLY (SERIAL NO. 12001AND UP)
  • 6.3.1.6. ASSEMBLY (SERIAL NO. 12001 AND UP)
  • 6.3.2. LIFT AND DUMP CYLINDER
  • 6.4. MAINTENANCE STANDARD
  • 6.4.1. MAIN CONTROL VALVE
  • 6.4.2. HYDRAULIC PUMP
  • 6.4.3. LIFT CYLINDER
  • 6.4.4. DUMP CYLINDER
  • 6.4.5. BUCKET LINKAGE
  • 6.4.6. BUCKET POSITIONER
  • 6.4.7. BUCKET
  • 7. ELECTRICAL SYSTEM
  • 7.1. STRUCTURE AND FUNCTION
  • 7.1.1. CLUSTER GAUGE
  • 7.1.2. ELECTRIC WIRING DIAGRAM
  • 7.1.3. ELECTRIC WIRING CIRCUIT DIAGRAM
  • 7.1.4. ENGINE STARTING CIRCUIT
  • 7.1.5. ENGINE STOP CIRCUIT
  • 7.1.6. PREHEATING CIRCUIT
  • 7.1.6.1. PREHEATING WITH STARTING SWITCH
  • 7.1.7. PROXIMITY SWITCH
  • 7.2. DISASSEMBLY AND ASSEMBLY
  • 7.2.1. INSTRUMENT PANEL
  • 7.2.1.1. REMOVAL
  • 7.2.1.2. INSTALLATION
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