Factory Shop Manual For Komatsu Wheel Excavator. 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: 1158
Number: VEBM720100 (june 2010)
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Komatsu Wheel Excavator
PW148-8
SN H50051 And Up
Contents
-FOREWORD Safety
General
How To Read The Shop Manual
Hoisting Instructions
Coating Materials
Standard Tightening Torque
Electric Wire Code
Conversion Tables
Units
-GENERAL
Specification Dimension Drawings
Working Ranges
Specifications
Weight Table
Fuel, Coolant And Lubricants
-STRUCTURE AND FUNCTION
Komtrax Terminal System
Service Brake And Suspension System
Steering System
Travel System
1St Attachment Circuit Hydraulic Performance (Main Valve Bypassed)
Sensor
Overload Warning Device
Machine Monitor System
Electrical Control System
Electrical System
Electrical Wiring Diagram
Air Conditioner
Work Equipment
Dozer Cylinder
Outrigger Cylinder
Hydraulic Cylinder
Boom Safety Valve
Solenoid Valve Block
Work Equipment – Swing PPC Valve
Travel PPC Pedal
Centre Swivel Joint
CLSS
Control Valve
Pilot Pressure Control (PPC) System
Hydraulic Pump
Hydraulic Tank
Hydraulic Circuit Diagram
Hydraulic Equipment Layout Drawings
Orbitrol Valve
Steering Column
Steering System
Accumulator For Brake Valve
Power Brake Valve
Priority Valve
Brake/Steer Pump
Braking System
Suspension Lock Cylinder
Axle
Clutch Control Circuit
Travel Motor
ATT EPC Valve Assembly
Schematic
Quick Coupler Control Valve
Transmission
Undercarriage
Swing Machinery & Motor
Swing Circle
Power Train
Radiator, Oil Cooler, Aftercooler And Fuel Cooler
Engine Related Parts
-TESTING AND ADJUSTING
Standard Value Table For Engine Related Parts
Standard Value Table For Chassis Related Parts
Testing And Adjusting
Troubleshooting
Measuring Engine Speed
Measuring Intake Air Pressure (Boost Pressure)
Checking Exhaust Gas Color
Adjusting Valve Clearance
Measurement Of Compression Pressure
Measuring Blow-By Pressure
Measuring Engine Oil Pressure
Handling Fuel System Parts
Releasing Residual Pressure From Fuel System
Measuring Fuel Pressure
Measuring Fuel Return Rate And Leakage
Bleeding Air From Fuel Circuit
Checking And Adjusting Air Conditioner Compressor Belt Tension
Replacing The Fan Belt
Measurement Of Clearance In Swing Circle Bearing
Inspection And Adjustment Of Hydraulic Oil Pressure In Hydraulic Circuit For Work Equipment, Swing And Travel
Inspection And Adjustment Of Control Circuit Oil Pressure
Inspection And Adjustment Of Pump PC (Valve Inlet) Control Oil Pressure
Inspection And Adjustment Of Pump LS Valve Control Oil Pressure
Measurement Of Solenoid Valve Output Pressure
Measurement Of PPC Valve Output Pressure
Adjustment Of Work Equipment And Swing PPC Valve
Measuring And Adjusting Quick Coupler Control Valve Output Pressure
Testing Travel Motor Relief Pressure
Adjusting Travel Motor Relief Pressure
Testing Propshaft Speed
Testing Transmission Clutch Control Circuit
Inspection Of Locations Of Hydraulic Drift Of Work Equipment
Release Of Remaining Pressure In Hydraulic Circuit
Measurement Of Oil Leakage
Air Bleeding Of Various Parts
Inspection Procedures For Diode
Special Function Of Monitor Panel
Troubleshooting
Troubleshooting When Failure Code Is Indicated
Troubleshooting Of Electrical System (E-Mode)
Troubleshooting Of Electrical System (Error Checking Of Items Without Monitor Codes)
Troubleshooting Of Hydraulic And Mechanical System (H-Mode)
-DISASSEMBLY AND ASSEMBLY
Coating Material Lists
Special Tools List
Sketches Of Special Tools
List Of Tools
Precautions When Performing Operation
Removal And Installation Of Fuel Supply Pump Assembly
Removal And Installation Of Fuel Injector Assembly
Removal And Installation Of Front Oil Seal
Removal And Installation Of Rear Oil Seal
Removal And Installation Of Cylinder Head Assembly
Removal And Installation Of Fuel Cooler Assembly
Removal And Installation Of Combination Cooler Assembly
Removal And Installation Of Engine And Hydraulic Pump Assembly
Removal And Installation Of Engine Hood Assembly
Removal And Installation Of Travel Motor
Disassembly And Assembly Of Travel Motor Assembly
Removal And Installation Of Swing Motor And Swing Machinery
Removal Of Swing Motor Assembly
Disassembly And Assembly Of Swing Motor And Swing Machinery
Removal And Installation Of Front Axle Assembly
Disassembly And Assembly Of Front Axle
Removal And Installation Of Rear Axle And Transmission
Disassembly And Assembly Of Rear Axle Assembly
Disassembly And Assembly Of Transmission
Removal And Installation Of Propshaft Assembly
Removal And Installation Of Wheel
Removal And Installation Of Suspension Lock Cylinder Assembly
Disassembly And Assembly Of Suspension Lock Cylinders
Removal And Installation Of Outrigger Assembly
Disassembly And Assembly Of Outriggers
Removal And Installation Of Dozer Blade Assembly
Disassembly And Assembly Of Dozer Blade
Removal And Installation Of Swing Circle Assembly
Removal And Installation Of Revolving Frame Assembly
Removal And Installation Of Centre Swivel Joint
Disassembly And Assembly Of Centre Swivel Joint Assembly
Removal And Installation Of Fuel Tank Assembly
Removal And Installation Of Hydraulic Tank Assembly
Removal And Installation Of Control Valve Assembly
Removal And Installation Of LS Separation Valve Assembly
Removal And Installation Of Pressure Compensation Valve Assembly
Removal And Installation Of Main Relief Valve Assembly
Removal And Installation Of LS Control EPC Valve
Removal And Installation Of PC EPC Valve Assembly
Removal And Installation Of PPC Valve Block Assembly
Removal And Installation Of Oil Seal In Hydraulic Pump Input Shaft
Disassembly And Assembly Of Work Equipment PPC Valve
Disassembly And Assembly Of Hydraulic Cylinder
Removal And Installation Of Monoboom Work Equipment
Removal And Installation Of 2 Piece Boom Work Equipment
Removal And Installation Of Air Conditioner Unit
Removal And Installation Of Counterweight
Removal And Installation Of Operator Cab Assembly
Removal And Installation Of Monitor Assembly
Removal And Installation Of Pump Controller Assembly
Removal And Installation Of Engine Controller Assembly
Removal And Installation Of Komtrax Terminal
-OTHER
Hydraulic Circuit Diagram
Electrical Circuit Diagram
Connector Diagram
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