Komatsu Excavator PC128US-2 PC138US-2 PC138USLC-2 service & repair manual

Description Komatsu Excavator PC128US-2 PC138US-2 PC138USLC-2 service & repair manual

Komatsu Hydraulic Excavator PC128US-2, PC138US-2, PC138USLC-2, PC138USLC-2E0 pdf workshop service repair manual + operation & maintenance manual

Serial numbers:
PC128US-2 5001 and up, 5001 - 7730 Avance, 7731 and up Galeo
PC138US-2 4501 and up Galeo
PC138USLC-2, PC138USLC-2E0 1001 and up Galeo

Specifications, testing, troubleshooting, maintenance, technical documentation, electrical diagrams, hydraulic schematics, adjusting, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
Foreword and general information
Safety notice
Explanation of terms for maintenance standard
Handling of electric equipment and hydraulic component
Handling of connectors newly used for engines
How to read electric wire code
Precautions when carrying out operation
Method of disassembling and connecting push-pull type coupler
Standard tightening torque table
Conversion table

Specification and technical data
Specification dimension drawings
Specifications
Weight table
Table of fuel, coolant and lubricants

Engine and cooling system
Engine related parts
Radiator, oil cooler, aftercooler and fuel cooler

Standard value table
Standard value table for chassis related parts

Testing and adjusting
Tools for testing, adjusting and troubleshooting
Testing engine speed
Testing air boost pressure
Testing exhaust gas color
Adjusting valve clearance
Testing compression pressure
Testing blow-by pressure
Testing engine oil pressure
Handling fuel system parts
Releasing residual pressure from fuel system
Testing fuel
Testing fuel delivery, return rate and leak amount
Bleeding air from fuel circuit
Checking fuel circuit for leakage
Checking and adjusting air conditioner compressor belt tension
Replacement of fan belt

Troubleshooting
Failure code table
Fuse locations

Disassembly and assembly
Coating materials list
Special tools list
Sketches of special tools

Diagrams and drawings
Hydraulic diagrams and drawings
Hydraulic circuit diagram

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