Komatsu WA250-5-H Wheel Loaders and WA250PT-5-H Parallel Tool Cariers (Germany) Workshop Manual (VEBM230102)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA250-5-H and Tool Cariers Models WA250PT-5-H.

This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader or tool carier.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (Germany):
   WA250-5-H 4WD Wheeled Loader (SN: H50051-)
   WA250PT-5-H Tool Carier (SN: H60051-)

Format: PDF, 849 pages
Language: English
Table of Contents:
   FOREWORD
   GENERAL
      GENERAL ASSEMBLY DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      LIST OF LUBRICANT AND COOLANT
   STRUCTURE & FUNCTION
      ENGINE MOUNT AND TRANSFER MOUNT
      DAMPER
      COOLING SYSTEM
      POWER TRAIN
      POWER TRAIN SYSTEM DIAGRAM
      DRIVE SHAFT (PROPELLER SHAFT)
      HST HYDRAULIC PIPING DIAGRAM
      HST PUMP
      HIGH-PRESSURE RELIEF VALVE
      LOW-PRESSURE RELIEF VALVE
      HST CHARGE PUMP
      SPEED-RELATED VALVE (DA VALVE)
      HIGH-PRESSURE CUT-OFF VALVE
      HST MOTOR
      EP SERVO VALVE
      HA SERVO VALVE
      FORWARD-REVERSE SHUTTLE VALVE
      TRANSFER
      TRANSFER OIL COOLER
      CLUTCH SOLENOID VALVE
      AXLE
      DIFFERENTIAL
      LIMITED-SLIP DIFFERENTIAL
      FINAL DRIVE
      AXLE MOUNTING AND CENTER HINGE PIN
      STEERING PIPING
      STEERING COLUMN
      PRIORITY VALVE
      ORBIT-ROLL VALVE
      WAY RESTRICTOR VALVE
      STEERING CYLINDER
      EMERGENCY STEERING PIPING
      EMERGENCY STEERING VALVE
      BRAKE PIPING
      BRAKE VALVE
      INCHING VALVE
      CHARGE VALVE
      ACCUMULATOR (FOR BRAKE)
      SLACK ADJUSTER
      BRAKE
      PARKING BRAKE CONTROL
      PARKING BRAKE
      HYDRAULIC PIPING
      WORK EQUIPMENT LEVER LINKAGE
      HYDRAULIC TANK
      GEAR PUMP UNIT
      ACCUMULATOR (FOR PPC CIRCUIT)
      LOCK VALVE
      BYPASS VALVE
      QUICK COUPLER VALVE
      E.C.S.S. VALVE
      ACCUMULATOR (FOR E.C.S.S.)
      HYDRAULIC PIPING OF COOLING SYSTEM
      COOLING FAN MOTOR
      WORK EQUIPMENT CONTROL VALVE
      WORK EQUIPMENT PPC VALVE
      ATTACHMENT PPC VALVE (IF EQUIPPED)
      WORK EQUIPMENT LINKAGE
      BUCKET
      CONTROL OF BUCKET POSITIONER,
      WORK EQUIPMENT CYLINDER
      AIR CONDITIONER
      MACHINE MONITORING SYSTEM
      MACHINE MONITOR
      LIST OF ITEMS DISPLAYED ON MONITOR
      ELECTRICAL SYSTEM (HST CONTROLLER SYSTEM)
      HST CONTROLLER
      FUNCTION OF SELECTING FORWARD-REVERSE SELECTOR SWITCH
      ENGINE START CIRCUIT
      ENGINE STOP CIRCUIT
      PREHEATING CIRCUIT
      PARKING BRAKE CIRCUIT
      ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
      SENSORS
   TESTING & ADJUSTING
      STANDARD VALUE TABLE FOR ENGINE
      STANDARD VALUE TABLE FOR CHASSIS
      TESTING AND ADJUSTING
      TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING
      MEASURING ENGINE SPEED
      MEASURING EXHAUST GAS COLOR
      ADJUSTING VALVE CLEARANCE
      MEASURING COMPRESSION PRESSURE
      MEASURING BLOW-BY PRESSURE
      TESTING AND ADJUSTING FUEL INJECTION TIMING
      MEASURING ENGINE OIL PRESSURE
      MEASURING, TESTING OPERATING FORCE OF ACCELERATOR PEDAL
      ADJUSTING ENGINE STOP SOLENOID
      ADJUSTING ENGINE SPEED SENSOR
      MEASURING DIRECTIONAL LEVER
      TESTING AND ADJUSTING HST OIL PRESSURE
      MEASURING CLUTCH CONTROL PRESSURER
      TESTING AND ADJUSTING STEERING WHEEL
      TESTING AND ADJUSTING STEERING OIL PRESSURE
      BLEEDING AIR FROM STEERING CIRCUIT
      TESTING HYDRAULIC FAN
      MEASURING BRAKE PEDAL
      TESTING AND ADJUSTING BRAKE PEDAL LINKAGE
      MEASURING BRAKE PERFORMANCE
      TESTING AND ADJUSTING ACCUMULATOR CHARGE PRESSURE
      MEASURING BRAKE OIL PRESSURER
      MEASURING WEAR OF BRAKE DISC
      BLEEDING AIR FROM BRAKE CIRCUIT
      MEASURING PARKING BRAKE PERFORMANCE
      TESTING AND ADJUSTING PARKING BRAKE LINKAGE
      MEASURING PARKING BRAKE RELEASE PRESSURE
      MEASURING AND ADJUSTING WORK EQUIPMENT CONTROL LEVER
      TESTING AND ADJUSTING WORK EQUIPMENT HYDRAULIC PRESSURE
      TESTING AND ADJUSTING WORK EQUIPMENT PPC OIL PRESSURE
      BLEEDING AIR
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT
      TESTING AND ADJUSTING BUCKET POSITIONER
      TESTING AND ADJUSTING OF BOOM KICK-OUT
      CHECKING PROXIMITY SWITCH ACTUATION DISPLAY LAMP
      PROCEDURE FOR CHECKING DIODE
      SPECIAL FUNCTIONS OF MACHINE MONITOR
      FLOW OF MODES AND FUNCTIONS
      PM CLINIC INSPECTION CHART
      TROUBLESHOOTING
      TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
      TROUBLESHOOTING OF HST CONTROLLER SYSTEM (HST MODE)
      TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
      TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)
      TROUBLESHOOTING OF ENGINE (S MODE)
   DISASSEMBLY & ASSEMBLY
      HOW TO READ THIS MANUAL
      PRECAUTIONS WHEN PERFORMING OPERATION
      SPECIAL TOOL LIST
      SKETCHES OF SPECIAL TOOLS
      REMOVAL, INSTALLATION OF FUEL INJECTION PUMP ASSEMBLY
      REMOVAL, INSTALLATION OF NOZZLE HOLDER ASSEMBLY
      REMOVAL, INSTALLATION OF CYLINDER HEAD ASSEMBLY
      REMOVAL, INSTALLATION OF ENGINE ASSEMBLY
      REMOVAL, INSTALLATION OF RADIATOR ASSEMBLY
      REMOVAL, INSTALLATION OF AIR AFTERCOOLER
      REMOVAL, INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY
      REMOVAL, INSTALLATION OF COOLING FAN AND FAN MOTOR ASSEMBLY
      REMOVAL, INSTALLATION OF FUEL TANK ASSEMBLY
      REMOVAL, INSTALLATION OF TRANSFER
      DISASSEMBLY, ASSEMBLY OF TRANSFER ASSEMBLY
      REMOVAL, INSTALLATION OF PARKING BRAKE ASSEMBLY
      DISASSEMBLY, ASSEMBLY OF PARKING BRAKE ASSEMBLY
      REMOVAL, INSTALLATION OF FRONT AXLE ASSEMBLY
      REMOVAL, INSTALLATION OF REAR AXLE ASSEMBLY
      DISASSEMBLY, ASSEMBLY OF AXLE HOUSING ASSEMBLY
      DISASSEMBLY, ASSEMBLY OF DIFFERENTIAL ASSEMBLY
      REMOVAL, INSTALLATION OF HST PUMP AND 4-GEAR PUMP ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF HST PUMP ASSEMBLY
      REMOVAL, INSTALLATION OF HST MOTOR 1 ASSEMBLY
      REMOVAL, INSTALLATION OF HST MOTOR 2 ASSEMBLY
      DISASSEMBLY AND ASSEMBLY OF HST MOTOR ASSEMBLY
      REMOVAL, INSTALLATION OF WORK EQUIPMENT CONTROL VALVE ASSEMBLY
      REMOVAL, INSTALLATION OF TRAVEL DAMPER VALVE ASSEMBLY
      REMOVAL, INSTALLATION OF HYDRAULIC TANK ASSEMBLY
      REMOVAL, INSTALLATION OF WORK EQUIPMENT ASSEMBLY
      DISASSEMBLY, ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY
      REMOVAL, INSTALLATION OF OPERATOR`S CAB ASSEMBLY
      REMOVAL, INSTALLATION OF OPERATOR`S CAB GLASS (STUCK GLASS)
      REMOVAL, INSTALLATION OF CENTER HINGE PIN
      REMOVAL, INSTALLATION OF COUNTERWEIGHT
      REMOVAL, INSTALLATION OF AIR CONDITIONER UNIT ASSEMBLY
      REMOVAL, INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY
      REMOVAL, INSTALLATION OF MONITOR PANEL
   OTHERS