komatsu ha250 ha270 articulated dump truck shop manual sebmha250104 1

komatsu ha250 ha270 articulated dump truck shop manual sebmha250104 2

komatsu ha250 ha270 articulated dump truck shop manual sebmha250104 3

komatsu ha250 ha270 articulated dump truck shop manual sebmha250104 4

komatsu ha250 ha270 articulated dump truck shop manual sebmha250104 5 2

Komatsu HA250, HA270 Articulated Dump Truck Shop Manual SEBMHA250104

$40.00

Type Of Manual: Shop Manual
Manual ID: SEBMHA250104
Format: PDF
Size: 35.3MB
Number of Pages: 513

Category: Komatsu Shop Manual PDF

Model List:
- HA250 Articulated Dump Truck
- HA270 Articulated Dump Truck

1. COVER
2. CONTENTS
3. GENERAL INSTRUCTION
3.1. FOREWORD
3.2. TYPE OF SEALINGS/LOCKING COMPOUNDS AND LUBRICANTS
3.3. WEIGHTS AND MEASURES
3.4. TORQUE LIMIT TABLE
3.5. SAFETY IN SERVICE WORK SHOPS
3.6. PRECAUTION FOR DISASSEMBLY AND ASSEMBLY
3.7. GENERAL LOCATION
3.8. DRIVE LINE VIEW
3.9. MACHINE SPECIFICATION (HA2701)
3.10. MACHINE SPECIFICATION (HA2501)
3.11. MACHINE SPECIFICATION (HA2703 HA2503)
3.12. PERFORMANCE CHART (HA2703)
3.13. EXHAUST BRAKE CAPACITY DIAGRAMHA270 HA2703
3.14. PERFORMANCE CHART (HA2503)
3.15. EXHAUST BRAKE CAPACITY DIAGRAM (HA2503)
3.16. FILLING CAPACITIES
3.17. OIL AND FLUID SPECIFICATION
3.18. TRANSMISSION OIL LIST
4. ENGINE
5. TRANSMISSION
5.1. STRUCTURE AND FUNCTION
5.1.1. GENERAL DESCRIPTION
5.1.2. SPEED CHANGE DIAGRAM
5.1.3. CONTROL VALVE WITH LOCKUP VALVE
5.1.4. OIL CIRCUIT DIAGRAM
5.1.5. OIL CIRCUIT DIAGRAM WITH ELECTRICSHIFT UNIT AND CONVERTER LOCKUP CLUTCH WORK
5.1.6. INDUCTIVE TRANSMITTER
5.2. TESTING AND ADJUSTING
5.2.1. STANDARD VALUES
5.2.2. SHIFTING POINTS, AUTOMATIC TRANSMISSION
5.2.3. MEASURING OIL LEVEL AND TEMPERATURE
5.2.4. MEASURING PRESSURE AND DELIVERY AND TEMPERATURE
5.2.5. MEASURING LOCATION
5.2.6. TESTING UNITS
5.2.7. ADJUSTING OF INDUCTIVE TRANSMITTER
5.2.8. STALL PERFORMANCE
5.2.9. ADJUSTING OF INTER AXLE DIFFERENTIAL LOCK
5.3. DISASSEMBLY AND ASSEMBLY
5.3.1. TRANSMISSION ASSY
5.3.2. TRANSMISSION CONTROL VALVE
5.3.3. TORQUE CONVERTER
5.3.4. TRANSMISSION
5.3.5. INTERMED DIFERENTIAL
5.3.6. SPECIAL TOOLS
5.4. MAINTENANCE STANDARD
5.4.1. OIL CONTAMINATION
5.5. TROUBLESHOOTING
5.5.1. TENPERATURE TOO HIGH
5.5.2. NO FUNCTION ALL GEARS
5.5.3. NO FUNCTION 1st AND 2nd GEAR
5.5.4. CONTROL PRESSURE TOO LOW IN ALL GEARS
6. DRIVELINE, BRAKES AND WHEELS
6.1. STRUCTURE AND FUNCTION
6.1.1. FRONT AND REAR DIFFERENTIAL
6.1.2. FRONT REDUCTION GEAR
6.1.3. BRAKES
6.1.4. AUTOMATIC SLACK ADJUSTER
6.1.5. TYRES
6.2. TESTING AND ADJUSTING
6.2.1. MEASURING OIL LEVELS
6.2.2. FRONT WHEEL BEARING ADJUSTMENT
6.2.3. ADJUSTING OF REAR DIFFERENTIAL LOCK
6.2.4. MAIN BRAKE
6.2.5. PARK BRAKE
6.3. DISASSEMBLY AND ASSEMBLY
6.3.1. FRONT DIFFERENTIAL
6.3.2. REAR DIFFERENTIAL
6.3.3. FRONT REDUCTION GEAR
6.3.4. TANDEM HOUSING
6.3.5. TYRES
6.3.6. MASTER CYLINDER
6.3.7. BRAKE CALLIPER
6.3.8. PARKING BRAKE CALLIPER
6.3.9. AUTOMATIC SLACK ADJUSTER
6.3.10. SPECIAL TOOLS
6.4. MAINTENANCE STANDARD
6.4.1. BRAKES
6.5. TROUBLE SHOOTING
6.5.1. REAR DIFFERENTIAL
6.5.2. SERVICE BRAKE
6.5.3. PARKING BRAKE
7. AIR SYSTEM
7.1. STRUCTURE AND FUNCTION
7.1.1. AIR SYSTEM (65395/60890)
7.1.2. AIR SYSTEM (65396/60891)
7.1.3. AIR CIRCUIT DIAGRAM (311001311015/301001301017)
7.1.4. AIR CIRCUIT DIAGRAM (HA313001/303001)
7.1.5. AIR SUPPLY
7.1.6. FRONT BRAKES (CIRCUIT 1)
7.1.7. REAR BRAKES (CIRCUIT 2)
7.1.8. PARKING BRAKE (CIRCUIT 3)
7.1.9. OTHER AIR OPERATED SYSTEMS
7.1.10. GOVERNOR
7.1.11. SAFETY VALVE
7.1.12. MOISTURE REPELLENT INJECTOR
7.1.13. AUTOMATIC DRAIN VALVE
7.1.14. SINGLE CHECK VALVE
7.1.15. TEST CONNECTOR
7.1.16. LOW PRESSURE INDICATOR
7.1.17. FOURCIRCUIT PROTECTION VALVE
7.1.18. DUAL FOOT BRAKE VALVE
7.1.19. STOP LIGHT SWITCH
7.1.20. RELAY VALVE
7.1.21. PARKING BRAKE LOW PRESSURE VALVE
7.1.22. PARKING BRAKE CONTROL VALVE
7.1.23. MAIN BRAKE CHAMBER
7.1.24. PARKING BRAKE CHAMBER
7.1.25. QUICK RELEASE VALVE
7.1.26. PRESSURE PROTECTION VALVE
7.1.27. PRESSURE REDUCING VALVE
7.1.28. SOLENOID VALVE
7.1.29. AIR DRYER
7.2. TESTING AND ADJUSTING
7.2.1. STANDARD VALUES
7.3. DISASSEMBLY AND ASSEMBLY
7.3.1. GOVERNOR
7.3.2. MOISTURE REPELLENT INJECTOR
7.3.3. SINGLE CHECK VALVE
7.3.4. FOUR CIRCUIT PROTECTION VALVE
7.3.5. PARKING BRAKE CONTROL VALVE
7.3.6. RELAY VALVE
7.3.7. MAIN BRAKE CHAMBER
7.3.8. QUICK RELEASE VALVE
7.3.9. SOLENOID VALVE
7.4. MAINTENANCE STANDARD
7.4.1. GOVERNOR
7.4.2. PRESSURE PROTECTION VALVE
7.4.3. PRESSURE REDUCING VALVE
7.4.4. LOW PRESSURE INDICATOR
7.5. TROUBLE SHOOTING
7.5.1. DIAGRAM
8. HYDRAULIC SYSTEM
8.1. STRUCTURE AND FUNCTION
8.1.1. HYDRAULIC SYSTEM
8.1.2. HYDRAULIC CIRCUIT ARRANGEMENT
8.1.3. HYDRAULIC CIRCUIT DIAGRAM
8.1.4. HYDRAULIC RESERVOIR
8.1.5. HYDRAULIC PUMP
8.1.6. DEMAND VALVE
8.1.7. STEERING CIUCUIT
8.1.8. ORBITROL VALVE
8.1.9. STEERING VALVE
8.1.10. STEERING SYLINDER
8.1.11. EMERGENCY STEERING CIRCUIT
8.1.12. EMERGENCY STEERING PUMP
8.1.13. CONNECTING VALVE
8.1.14. FLOW INDICATOR VALVE
8.1.15. TIPPING CIRCUIT
8.1.16. TIP VALVE
8.2. TESTING AND ADJUSTING
8.2.1. STANDARD VALUES
8.2.2. MEASURING OIL LEVEL
8.2.3. MEASURING OIL TEMPERATURE
8.2.4. MEASURING PUMP DELIVERY
8.2.5. TESTING STEERING SYSTEM
8.2.6. TESTING TIP SYSTEM
8.3. DISASSEMBLY AND ASSEMBLY
8.3.1. HYDRAULIC PUMP
8.3.2. FILTER
8.3.3. CONNECTING VALVE
8.3.4. FLOW INDICATOR
8.3.5. STEERING VALVE
8.3.6. ORBITROL VALVE
8.3.7. TIP VALVE
8.3.8. TIP CYLINDER
8.3.9. SPECIAL TOOLS
8.4. TROUBLE SHOOTING
8.4.1. DIAGRAM
9. ELECTRICAL SYSTEM
9.1. STRUCTURE AND FUNCTION
9.1.1. FUNCTION OF ELECTRICAL COMPONENTS
9.1.2. FUNCTION OF MAJOR CIRCUITS
9.1.3. AUTOMATIC TRANSMISSION CIRCUIT
10. FRONT CHASSIS
10.1. STRUCTURE AND FUNCTION
10.1.1. FRAME
10.1.2. SUSPENSION
11. REAR CHASSIS
11.1. STRUCTURE AND FUNCTION
11.1.1. FRAME
11.1.2. ARTICULATION HINGE
11.1.3. BODY
11.1.4. TAIL GATE
11.2. TESTING AND ADJUSTING
11.2.1. TURNING RING CLEARANCE
11.3. DISASSEMBLY AND ASSEMBLY
11.3.1. GAS CYLINDER
11.3.2. FILLING OF GAS CYLINDER
11.3.3. BODY BUSHINGS
11.3.4. TURNING RING
11.3.5. ARTICULATION HINGE
12. ACCESSORIES
12.1. FILLING INSTRUCTIONS FOR AIR CONDITION COOLING AGENT

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