Factory Shop Manual For Komatsu Wheel Loader. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.
Format: PDF
Language: English
Pages: 849
Number: VEBM230102 (april 2003)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Wheel Loader
WA250-5H
SN WA250H50051 And Up
WA250PT-5H
SN WA250H60051 And Up
Contents
-GENERAL
General Assembly Drawings
Specifications
Weight Table
List Of Lubricant And Coolant
-STRUCTURE & FUNCTION
Engine Mount And Transfer Mount
Damper
Cooling System
Powertrain
Powertrain 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
2-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
4-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
Fuel Injection Pump
Nozzle Holder
Cylinder Head
Engine
Radiator
Air Aftercooler
Hydraulic Oil Cooler
Cooling Fan And Fan Motor
Fuel Tank
Transfer
Transfer
Parking Brake
Parking Brake
Front Axle
Rear Axle
Axle Housing
Differential
HST Pump And 4-Gear Pump
HST Pump
HST Motor
Work Equipment Control Valve
Travel Damper Valve
Hydraulic Tank
Work Equipment
Hydraulic Cylinder
Operator’s Cab
Operator’s Cab Glass (Stuck Glass)
Center Hinge Pin
Counterweight
Air Conditioner Unit
Air Conditioner Compressor
Monitor Panel
-OTHERS
Hydraulic Circuit Diagram
Electrical Circuit Diagram
What you get
You will receive PDF file with high-quality manual on your email immediately after the payment.
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