Komatsu Excavator PC138USLC-10 workshop service manual
  • Komatsu Excavator PC138USLC-10 workshop service manual
  • Komatsu Excavator PC138USLC-10 workshop service manual
  • Komatsu Excavator PC138USLC-10 workshop service manual
  • Komatsu Excavator PC138USLC-10 workshop service manual

Komatsu Excavator PC138USLC-10 workshop service manual

$40.00
Brand: Komatsu
Product Code: Komatsu
Availability: In Stock
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11.2012 / All Regions / 1 CD / Windows OS, MacOS, Linux/ 32 & 64 bit

Komatsu Hydraulic Excavator PC138USLC-10 (Serial number 40001 and up) PDF workshop service & repair manual

Languages: English

MANUAL CONTENT:
Specification
Specification drawing
Working range drawings
Weight table
Table of fuel, coolant, and lubricants

Structure and function
Engine and cooling system
Engine related parts
PTO
VFT
EGR system piping drawing
EGR system circuit diagram
EGR valve
EGR cooler
KCCV layout drawing
KCCV ventilator
KDOC muffler
Cooling system
Power train
Power train system
Swing circle
Swing machinery
Undercarriage and frame
Track frame
Idler cushion
Hydraulic system
Hydraulic component layout
Valve control
Hydraulic tank
CLSS
Main pump
Control valve
Swing motor
Travel motor
Work equipment and swing PPC valve
Travel PPC valve
Blade PPC valve
Boom swing PPC valve
Solenoid valve
Multi-control valve
Center swivel joint
Accumulator
Work equipment
Work equipment shim
Bucket play adjustment shim
Cab and its attachments
Cab mount and cab tipping stopper
ROPS cab
Electrical system
Electrical control system
Machine monitor system
KOMTRAX system
KOMTRAX terminal
Sensor

Standard value tables
Standard service value table
Standard value table for machine
Standard value table for electrical system

Testing and adjusting
Related information on testing and adjusting
Tools for testing and adjusting
Sketch of tools for testing and adjusting
Engine and cooling system
Testing engine speed
Testing exhaust gas color
Testing and adjusting valve clearance
Testing compression pressure
Testing blowby pressure
Testing engine oil pressure
Testing fuel pressure
Testing fuel return rate and leakage
Bleeding air from fuel system
Testing fuel circuit for leakage
Handling cylinder cutout mode operation
Handling no-injection cranking operation
Testing and adjusting air conditioner compressor belt tension
Replacing fan belt
Writing compensation values at replacement of injector and engine controller
Power train
Testing swing circle bearing clearance
Undercarriage and frame
Testing and adjusting track tension
Hydraulic system
Releasing remaining pressure from hydraulic circuit
Testing and adjusting oil pressure in work equipment and travel circuits
Testing and adjusting swing and blade circuit oil pressure
Testing oil pressure of control circuit
Testing and adjusting oil pressure in pump PC control circuit
Testing and adjusting oil pressure in pump LS control circuit
Testing outlet pressure of solenoid valve
Testing PPC valve outlet pressure
Adjusting play of work equipment and swing PPC valves
Isolating the parts causing hydraulic drift in work equipment
Testing and adjusting travel deviation
Testing oil leakage
Bleeding air from hydraulic circuit
Cab and its attachments
Testing, cleaning and lubricating slide door rail and roller
Adjusting mirrors
Testing and adjusting hood catcher
Electrical system
Special functions of machine monitor
KOMTRAX terminal start-up procedure
Adjusting rearview camera angle
Handling voltage circuit of engine controller
Handling battery disconnect switch
Testing diodes
Pm clinic
Pm Clinic service

Troubleshooting
Related information on troubleshooting
Troubleshooting points
Sequence of events in troubleshooting
Checks before troubleshooting
Inspection procedure before troubleshooting
Preparation for troubleshooting of electrical system
Classification and procedures for troubleshooting
Symptom and troubleshooting numbers
Information in troubleshooting table
Troubleshooting method for open circuit in wiring harness of pressure sensor system
Connector list and layout
Connector contact identification
T-branch box and T-branch adapter table
Fuse location table
Failure codes table

Disassembly and assembly
Related information on disassembly and assembly
Coating materials list
Special tools list
Sketches of special tools
Engine and cooling system
Removal and installation of supply pump assembly
Removal and installation of injector assembly
Removal and installation of cylinder head assembly
Removal and installation of radiator assembly
Removal and installation of hydraulic oil cooler assembly
Removal and installation of aftercooler assembly
Removal and installation of engine and main pump assembly
Removal and installation of engine front oil seal
Removal and installation of engine rear oil seal
Removal and installation of fuel cooler assembly
Removal and installation of fuel tank assembly
Removal and installation of engine hood assembly
Removal and installation of KDOC muffler
Removal and installation of KCCV ventilator
Removal and installation of air cleaner assembly
Removal and installation of EGR (Exhaust Gas Recirculation) cooler assembly
Removal and installation of EGR (Exhaust Gas Recirculation) valve assembly
Removal and installation of fan belt
Power train system
Removal and installation of travel motor and final drive assembly
Disassembly and assembly of travel motor and final drive assembly
Removal and installation of swing motor and swing machinery assembly
Disassembly and assembly of swing machinery assembly
Removal and installation of swing circle assembly
Undercarriage and frame
Separation and connection of track
Removal and installation of sprocket
Removal and installation of idler and idler cushion assembly
Disassembly and assembly of idler assembly
Disassembly and assembly of idler cushion assembly
Disassembly and assembly of track roller assembly
Removal and installation of revolving frame assembly
Removal and installation of counterweight assembly [For machines with additional counterweight]
Hydraulic system
Removal and installation of center swivel joint assembly
Disassembly and assembly of center swivel joint assembly
Removal and installation of hydraulic tank assembly
Removal and installation of main pump assembly
Removal and installation of control valve assembly
Disassembly and assembly of control valve assembly
Disassembly and assembly of work equipment PPC valve assembly
Disassembly and assembly of travel PPC valve assembly
Disassembly and assembly of work equipment cylinder assembly
Work equipment
Removal and installation of work equipment assembly
Removal and installation of boom swing bracket
Removal and installation of blade assembly
Cab and its attachments

Maintenance standard
Engine and cooling system
Engine mount
PTO
Cooling system
Power train system
Swing circle
Swing machinery
Sprocket
Undercarriage and frame
Track frame
Idler cushion
Idler
Track roller
Carrier roller
Track shoe
Hydraulic system
Hydraulic tank
Main pump
Control valve
Swing motor
Travel motor
PPC valve
Work equipment and swing PPC valve
Travel PPC valve
Blade PPC valve
Boom swing PPC valve
Solenoid valve
Center swivel joint
Cab and its attachments
Cab mount and cab tipping stopper
Work equipment
Boom cylinder
Arm cylinder
Bucket cylinder
Boom swing cylinder
Blade cylinder

Air conditioner components
Precautions for refrigerant
Air conditioner component
Configuration and function of refrigeration cycle
Outline of refrigeration cycle
Air conditioner unit
Dual pressure switch
Air conditioner controller
Compressor
Condenser
Sunlight sensor
Outer temperature sensor (outside air temperature sensor)
Procedure for testing and troubleshooting
Circuit diagram and arrangement of connector pins
System diagram
Input and output signals of the air conditioner controller
Air conditioner unit
Parts and connectors layout
Testing air leakage (duct)
Testing with self-diagnosis function
Testing vent (mode) changeover
Testing FRESH/RECIRC air changeover
Testing sunlight sensor
Testing (dual) pressure switch for refrigerant
Testing relays
Troubleshooting chart 1
Troubleshooting chart 2
Information in troubleshooting table
A-1 Troubleshooting for power supply system (Air conditioner does not operate)
A-2 Troubleshooting for compressor and refrigerant system (Air is not cooled)
A-3 Troubleshooting for blower motor system (No air comes out or air flow is abnormal)
A-4 Troubleshooting for FRESH/RECIRC air changeover
Troubleshooting with gauge pressure
Connection of service tool
Precautions for disconnecting and connecting refrigerant piping
Handling of compressor oil

Diagrams and drawings
Hydraulic circuit diagram
Symbols in hydraulic circuit diagram
Symbols in electric circuit diagram
Electrical circuit diagram
Electrical circuit diagram of air conditioner unit

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