komatsu wb140 2n wb150 2n backhoe loader shop manual cebm012701 1

komatsu wb140 2n wb150 2n backhoe loader shop manual cebm012701 2

komatsu wb140 2n wb150 2n backhoe loader shop manual cebm012701 3

komatsu wb140 2n wb150 2n backhoe loader shop manual cebm012701 4

komatsu wb140 2n wb150 2n backhoe loader shop manual cebm012701 5

Komatsu WB140-2N, WB150-2N Backhoe Loader Shop Manual CEBM012701

$40.00

Type Of Manual: Shop Manual
Manual ID: CEBM012701
Format: PDF
Size: 74.5MB
Number of Pages: 660

Category: Komatsu Shop Manual PDF

Model List:
- WB140-2N Backhoe Loader
- WB150-2N Backhoe Loader

0.1. GENERAL
0.2. HOW TO READ THE SHOP MANUAL
0.2.1. VOLUMES
0.2.2. DISTRIBUTION AND UPDATING
0.2.3. FILING METHOD
0.2.4. REVISED EDITION MARK
0.2.5. REVISIONS
0.2.6. SYMBOLS
0.3. HOISTING INSTRUCTIONS
0.3.1. HOISTING
0.3.2. WIRE ROPES
0.4. PUSH PULL COUPLER
0.5. COATING MATERIALS
0.6. STANDARD TIGHTENING TORQUE
0.6.1. STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS
0.6.2. TIGHTENING TORQUE OF HOSE NUTS
0.6.3. TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
0.6.4. TIGHTENING TORQUE FOR FLARED NUTS
0.6.5. TABLE OF TIGHTENING TORQUES FOR ORING BOSS PIPING JOINTS
0.6.6. TABLE OF TIGHTENING TORQUES FOR ORING BOSS PLUGS
0.6.7. TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE)
0.7. ELECTRIC WIRE CODE
0.7.1. CLASSIFICATION BY THICKNESS
0.7.2. CLASSIFICATION BY COLOR AND CODE
0.8. CONVERSION TABLES
0.8.1. METHOD OF USING THE CONVERSION TABLE
1. GENERAL
1.1. SPECIFICATIONS
1.2. WEIGHT TABLE
1.3. FUEL COOLANT AND LUBRICANTS
2. STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
2.1. ENGINE MOUNTING
2.1.1. D MACHINES
2.2. TRANSMISSION DIAGRAM
2.2.1. D MACHINES
2.2.2. D MACHINES
2.3. TRANSMISSION
2.3.1. COMPLETE ASSEMBLY
2.3.2. FORWARD REVERSE CLUTCH
2.3.3. T THROUGH 4TH SPEED SHAFT
2.3.4. D SHAFT
2.4. FRONT AXLE
2.5. REAR AXLE
2.5.1. COMPLETE ASSEMBLY
2.5.2. DIFFERENTIAL
2.5.3. PLANETARY
2.5.4. BRAKES
2.5.5. DIFFERENTIAL LOCK
2.5.6. PC VALVE, LS VALVE, SERVO PISTON
2.6. BACKHOE CONTROL VALVE
2.6.1. MECHANICAL CONTROL
2.6.2. EXCAVATOR CONTROL
2.7. CLSS
2.7.1. CHARACTERISTICS
2.7.2. STRUCTURE
2.7.3. OPERATING PRINCIPLES
2.7.4. UNLOADING VALVE
2.7.5. INTRODUCTION OF THE LS PRESSURE
2.7.6. DELIVERY COMPENSATION
2.7.7. LIFD CONTROL SYSTEM
2.7.8. LS DECOMPRESSION VALVE
2.7.9. PRESSURE CUT OFF VALVE
2.7.10. DIFFERENTIAL LOCK BACKHOE BOOM LOCK
2.7.11. PPC SUPPLY VALVE ST2
2.7.12. PPC TELESCOPIC ARM
2.7.13. PPC HAMMER
2.7.14. PPC ARM AND HAMMER
2.8. LOADER CYLINDERS
2.8.1. BOOM ARM
2.8.2. BUCKET
2.8.3. MP BUCKET
2.9. BACKHOE CYLINDERS
2.9.1. BOOM
2.9.3. BUCKET
2.9.4. TELESCOPIC ARM CYLINDER
2.9.5. SWING
2.9.6. OUTRIGGER
2.9.7. BOOM LOCK CYLINDER
2.10. FRONT WORK EQUIPMENT
2.11. REAR WORK EQUIPMENT
2.12. AIR CONDITIONING
3. TESTING, ADJUSTING AND TROUBLESHOOTING
3.1. STANDARD VALUE TABLES FOR ENGINE
3.2. STANDARD VALUE TABLES FOR CHASSIS
3.3. SPECIAL TOOLS
3.4. ENGINE SPEED
3.4.1. TIER I ENGINE
3.4.2. TIER II ENGINE
3.5. VALVE CLEARANCE
3.5.1. TIER I ENGINE
3.5.2. TIER II ENGINE
3.6. COMPRESSION PRESSURE
3.6.1. TIER I ENGINE
3.6.2. TIER II ENGINE
3.7. FUEL INJECTION TIMING
3.7.1. TIER I ENGINE
3.7.2. TIER II ENGINE
3.8. FAN BELT
3.8.1. TENSION CHECK
3.8.2. TENSION ADJUSTMENT
3.9. COMPRESSOR DRIVE BELT
3.9.1. CHECKING TENSION
3.9.2. TENSION ADJUSTMENT
3.10. ACCELERATOR PEDAL AND LEVER
3.10.1. ACCELERATOR PEDAL TRAVEL
3.10.2. ACCELERATOR LEVER TRAVEL
3.11. BRAKE PEDAL TRAVEL
3.11.1. TIER I ENGINE
3.11.2. TIER II ENGINE
3.12. BLEEDING AIR
3.12.1. HYDRAULIC PUMP
3.12.2. CYLINDERS
3.12.3. HYDRAULIC OIL TANK
3.12.4. HYDRAULIC OIL TANK PRESSURIZATION
3.12.5. WORK CIRCUITS
3.12.6. BRAKE CIRCUIT
3.12.7. CHECK BRAKE CIRCUIT
3.13. HYDRAULIC CIRCUIT
3.13.1. INTRODUCTION
3.13.2. LOADER CONTROL VALVES
3.13.3. BACKHOE CONTROLS STYLE VALVE
3.13.4. EXCAVATOR CONTROLS STYLE VALVE
3.14. MAIN RELIEF VALVES
3.14.1. TESTING
3.14.2. SETTING RELIEF PRESSURE
3.15. LOADER CIRCUIT RELIEF VALVES
3.15.1. TESTING PRESSURE
3.15.2. SETTING PRESSURE
3.16. BACKHOE CIRCUIT RELIEF VALVES
3.16.1. TESTING PRESSURE
3.16.2. SETTING PRESSURE
3.17. UNLOADING VALVE
3.17.1. TESTING
3.17.2. ADJUSTMENT
3.18. LOAD SENSING (LS) VALVE
3.18.1. CLEANING PRIORITY VALVE
3.19. STEERING SYSTEM
3.19.1. TESTING
3.19.2. SETTING
3.20. BRAKE SYSTEM
3.20.1. CIRCUIT AND BRAKE PUMP TEST
3.20.2. BRAKING GROUP LEAK TEST
3.21. ENGINE SPEED UNDER LOAD
3.21.1. PREPARING THE MACHINE
3.21.2. TORQUE CONVERTER STALL
3.21.3. TORQUE CONVERTER AND HYDRAULIC STALL
3.22. POWER TRAIN GROUP
3.22.1. PREPARING THE MACHINE
3.22.2. CONVERTER OIL PRESSURE
3.22.3. CLUTCH PRESSURE
3.22.4. ADDITIONAL PRESSURES
3.23. DIRECTIONAL CLUTCHES
3.23.1. PREPARATION OF THE MACHINE
3.23.2. TESTING
3.24. RETURN TO DIG DEVICE
3.25. HYDRAULIC DRIFT
3.25.1. LOADER
3.25.2. BACKHOE
3.26. AIR CONDITIONING UNIT
3.26.1. TESTING THE WORKING TEMPERATURE
3.26.2. CHECKING THE UNIT
3.26.3. EMPTYING THE AC UNIT
3.27. TROUBLESHOOTING GUIDE
3.27.1. FRONT AXLE
3.27.2. REAR AXLE
3.27.3. TRANSMISSION
4. REMOVAL AND INSTALLATION
4.1. METHOD OF USING THIS MANUAL
4.1.1. REMOVAL OR INSTALLATION OF PARTS OR ASSEMBLIES
4.2. PRECAUTIONS DURING SERVICE OPERATIONS
4.2.1. REMOVAL PRECAUTIONS
4.2.2. INSTALLATION PRECAUTIONS
4.3. SPECIAL TOOLS
4.3.1. LISTING
4.3.2. SKETCHES
4.4. ENGINE COMPONENTS
4.5. LOADER CYLINDER LOCK
4.5.1. LOCKING PROCEDURES
4.6. INJECTION NOZZLE
4.7. BATTERY DISCONNECT SWITCH
4.8. RADIATOR OIL COOLERS
4.9. ENGINE AND TRANSMISSION
4.10. TORQUE CONVERTER
4.11. COLUMN CONTROL SWITCHES
4.11.1. REMOVAL
4.11.2. INSTALLATION
4.12. MASTER BRAKE CYLINDER
4.12.1. REMOVAL
4.12.2. INSTALLATION
4.13. LOADER CONTROL VALVE
4.14. LOADER CYLINDERS
4.14.1. BOOM
4.14.2. BUCKET
4.14.3. INSTALLATION
4.14.4. MP BUCKET CYLINDER
4.15. FRONT EQUIPMENT
4.15.1. BUCKET
4.15.2. BOOM
4.16. BACKHOE CONTROL VALVE
4.16.1. BACKHOE CONTROL
4.16.2. INSTALLATION
4.16.3. EXCAVATOR CONTROLS
4.17. PPC CONTROLS
4.17.1. PPC VALVE
4.17.2. SUPPORT RELEASE CABLES
4.17.3. SUPPORT RETURN GAS SPRING
4.17.4. SOLENOID VALVE
4.17.5. SERVO CONTROL FEED VALVE
4.18. BACKHOE CYLINDERS
4.19. BACKHOE WORK EQUIPMENT
4.19.1. INNER ARM GUIDES
4.19.2. BOOM
4.19.3. SWING BRACKET
4.19.4. OUTRIGGERS
5. OTHER
5.1. HYDRAULIC CIRCUIT
5.1.1. STANDARD CONTROLS FOR WB1402N SHEET 1 OF 2
5.1.2. STANDARD CONTROLS FOR WB1402N SHEET 2 OF 2
5.1.3. STANDARD CONTROLS FOR WB1502N SHEET 1 OF 2
5.1.4. STANDARD CONTROLS FOR WB1502N SHEET 2 OF 2
5.1.5. PPC SYSTEM FOR WB1402N SHEET 1 OF 3
5.1.6. PPC SYSTEM FOR WB1402N SHEET 2 OF 3
5.1.7. PPC SYSTEM FOR WB1402N SHEET 3 OF 3
5.1.8. PPC SYSTEM FOR WB1502N SHEET 1 OF 3
5.1.9. PPC SYSTEM FOR WB1502N SHEET 2 OF 3
5.1.10. PPC SYSTEM FOR WB1502N SHEET 3 OF 3
5.2. ELECTRICAL
5.2.1. CAB WIRING SCHEMATIC SHEET 1 OF 5
5.2.2. CAB WIRING SCHEMATIC SHEET 2 OF 5
5.2.3. CAB WIRING SCHEMATIC SHEET 3 OF 5
5.2.4. CAB WIRING SCHEMATIC SHEET 4 OF 5
5.2.5. CAB WIRING SCHEMATIC SHEET 5 OF 5
5.2.6. LEGEND FOR CAB WIRING SCHEMATIC
5.2.7. CANOPY WIRING SCHEMATIC SHEET 1 OF 5
5.2.8. CANOPY WIRING SCHEMATIC SHEET 2 OF 5
5.2.9. CANOPY WIRING SCHEMATIC SHEET 3 OF 5
5.2.10. CANOPY WIRING SCHEMATIC SHEET 4 OF 5
5.2.11. CANOPY WIRING SCHEMATIC SHEET 5 OF 5
5.2.12. LEGEND FOR CANOPY WIRING SCHEMATIC
5.2.13. TIER I ENGINE HARNESS
5.2.14. TIER II ENGINE HARNESS
5.2.15. LEGEND FOR TIER I AND II ENGINE HARNESSES
5.2.16. FRONT HARNESS
5.2.17. LEGEND FOR FRONT HARNESS
5.2.18. LATERAL HARNESS AND SIDE DASHBOARD
5.2.19. PPC FRAME AND SIDE DASH BOARD HARNESS
5.2.20. WORK LIGHT HARNESS
5.2.21. FUSE AND RELAY PANEL

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