Factory Shop Manual For Komatsu Backhoe 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: 658
Number: WEBM007400 (june 2006)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Backhoe Loader
WB93S-5
SN F00003 And Up
Contents
-FOREWORD
Safety
Foreword
How To Read The Shop Manual
Hoisting Instructions
Standard Tightening Torque
Coating Materials
Electric
Weight Table
Table Of Oil And Coolant Quantities
Conversion Table
-STRUCTURE AND FUNCTION
Powertrain
Transmission (4WD)
Transmission
Drive Shafts
Control Valve Block
Front Axle
Rear Axle
Steering System (4Ws)
Hydraulic Circuit (With Mechanical Control)
Hydraulic Circuit (With Servocontrol)
Hydraulic Pump
8-Spool Control Valve (With Mechanical Control)
10-Spool Control Valve (With Mechanical Control)
8-Spool Control Valve (With Servocontrol)
10-Spool Control Valve (With Servocontrol)
CLSS
Steering Unit
PPC Valves
PPC Valve (Servocontrol Version)
Solenoid Valve Group (EV1)
Safety Valves
Shovel Cylinders
Backhoe Cylinders
Air-Conditioning Unit
Operation Of The Air Conditioning Unit
Fuse And Relay Centre
Driver Seat Wiring
Switch Panel Wiring
Front Dash Wiring
Roof Wiring
Engine Wiring
Speed Selector Wiring
Backhoe Wiring
4WS Push-Buttons Panel Wiring
4WD Solenoid Valves Wiring
Wiring Diagram (Standard Version) (See Also Group 90)
-TESTING AND ADJUSTMENTS
Normal Or Standard Technical Data
Special Tools
Adjusting Valve Clearance
Engine Speed Tests
Tensioning The Air-Conditioning Compressor Belt
Bleeding Air From Circuits – Eliminating Residual Pressure
Adjusting Accelerator Pedal Travel And Accelerator Lever
Adjusting Brake Pedal Slack/Alignment
Braking System Checks
Parking Brake Adjustment
Checking And Setting Pressure In The Attachments Hydraulic Circuit
Checking The Setting Of Main Relief And Secondary Valves
Setting The Main Relief Valves And The Reducing Valves
Checking And Adjusting The LS Differential Pressure. Adjusting The LS Valve
Checking And Adjusting Servocontrols Supply Pressure
Adjusting The PC Valve
Testing And Setting Steering Control System Pressure
Checking For Leaks In The Steering Cylinders
Testing Pressures In The Powertrain Group
Testing The Correct Functioning Of The Power Trainclutches
Analysis Of Causes Hydraulic Drift
Testing The Air-Conditioning Unit
Emptying The Air-Conditioning Unit
Troubleshooting
-REMOVAL AND INSTALLATION
How To Read The Manual
Precautions To Be Taken While Working
Special Tools
Engine Hood
Front Guard
Radiator Group
Condenser (For Machines Equipped With An Air-Conditioning Unit)
Muffler
Air Filter
Turbocharger
Air-Conditioning Unit Compressor
Air-Conditioning Unit Compressor Belt
Exhaust Pipe
Fan And Heating Group
Battery
Fuel Tank
Steering Wheel And Transmission-Reverse, Direction Indicator And Headlight Dipper Beam Control Group
Working Brake Pump Group
Steering Unit
Cab
Hydraulic Oil Tank
Hydraulic Pump
Transmission
Transmission
Convertor
Engine
Control Valve (Standard Version)
Control Valve (Version With Servocontrol)
Steering Solenoid Valve Group
Front Axle
Front Axle
Rear Axle
Shovel PPC Valve
Shovel Lift Cylinders
Shovel Dump Cylinders
Shovel
Front Working Equipment
Backhoe PPC Valves (Optional)
PPC Valve Support Release Cables
PPC Valve Support Return Gas Spring
Solenoid Valve Group (Servocontrol And Optional Attachment)
Backhoe Boom Cylinder
Arm Cylinder
Jig Arm Cylinder
Outrigger Cylinder
Backhoe Swing Cylinders
Backhoe Bucket Cylinder
Backhoe Boom Safety Cylinder
Cylinder
Backhoe Working Equipment
Backhoe Bucket
Backhoe Boom Cylinder
Arm
Jig Arm
2Nd Arm
2Nd Arm Guides
Backhoe Swing Bracket
Complete Backhoe Backframe
Backframe Lock Pistons
-STANDARD MAINTENANCE
Transmission
Front Axle
Rear Axle
Hydraulic Pump
Control Valve
PPC Valves
Shovel Cylinders
Backhoe Cylinders
Front Working Equipment
Swing Bracket
Backhoe Working Equipment
-OTHER
Electrical Diagram (Standard Version)
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