Komatsu Wheel Loader WA380-6H service & repair manual

Description Komatsu Wheel Loader WA380-6H service & repair manual

Komatsu Wheel Loader WA380-6H pdf workshop service manual

Serial numbers:
H60051 and up

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

MANUAL CONTENT:
Index and foreword
Foreword and general information
Organization list of the shop manual

Specification
Specification and technical data

Structure, function and maintenance standard
Engine and cooling system
Power train
Steering system
Brake system
Undercarriage and frame
Hydraulic system
Work equipment
Cab and its attachments
Electrical system

Standard value table
Standard service value table
Standard service value table for engine
Standard service 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
Measuring engine oil pressure
Measuring intake air (boost) pressure
Handling fuel system equipment
Releasing residual pressure in fuel system
Measuring fuel pressure
Measuring fuel return rate and leakage
Bleeding air from fuel circuit
Testing leakage in fuel system
Handling reduced cylinder mode operation
Handling no-injection cranking operation
Handling controller voltage circuit
Testing and adjusting air conditioner compressor belt tension
Adjusting transmission speed sensor
Measuring directional lever
Measuring and adjusting power train oil pressure
Procedure for flushing torque converter and transmission hydraulic circuit
Method of moving machine when transmission valve is broken
Testing and adjusting steering stop valve
Testing and adjusting steering wheel
Testing steering oil pressure
Bleeding air from steering circuit
Testing hydraulic drive fan
Bleeding air from hydraulic drive fan circuit
Measuring brake pedal
Measuring brake performance
Testing and adjusting accumulator charge pressure
Testing wheel brake oil pressure
Measuring wear of wheel brake disc
Bleeding air from wheel brake circuit
Releasing residual pressure in brake accumulator circuit
Testing parking brake performance
Measuring parking brake oil pressure
Testing wear of parking brake disc
Method of releasing parking brake manually
Measuring and adjusting work equipment control lever
Measuring and adjusting work equipment PPC oil pressure
Measuring and adjusting work equipment oil pressure
Bleeding air from work equipment circuit
Releasing residual pressure in work equipment circuit
Testing and adjusting bucket positioner
Testing and adjusting boom kick- out
Checking proximity switch operation pilot lamp
Procedure for testing diodes
Preparation work for troubleshooting for electric system
How to start operation of KOMTRAX terminal
Lamp display of KOMTRAX terminal
Adjusting machine monitor
Adjusting replaced, reassembled or added sensor, controller, etc. with machine monitor
Special functions of machine monitor (EMMS)
Pm-click inspection table

Troubleshooting
Troubleshooting by failure code (Display of code)
Troubleshooting of electrical system (E-mode)
General information on troubleshooting
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of engine (S-mode)

Disassembly and assembly
General information on disassembly and assembly
How to read this manual
Coating materials list
Special tools list
Engine and cooling system
Removal and installation of fuel supply pump assembly
Removal and installation of fuel injector assembly
Removal and installation of cylinder head assembly
Removal and installation of engine hood
Removal and installation of radiator assembly
Removal and installation of air aftercooler
Removal and installation of hydraulic oil cooler assembly
Removal and installation of engine assembly
Removal and installation of cooling fan and fan motor assembly
Removal and installation of fuel tank assembly
Power train
Removal and installation of torque converter and transmission assembly
Disassembly and assembly of torque converter assembly (Standard specification)
Disassembly and assembly of torque converter assembly (Lockup specification)
Disassembly and assembly of transmission assembly
Disassembly and assembly of transmission clutch pack assembly
Disassembly and assembly of parking brake assembly
Removal and installation of front axle assembly
Removal and installation of rear axle assembly
Disassembly and assembly of axle housing
Disassembly and assembly of differential assembly
Steering system
Removal and installation of steering demand valve assembly
Brake system
Removal and installation of parking brake discs and plates
Undercarriage and frame
Removal and installation of center hinge pin
Removal and installation of counterweight
Hydraulic system
Removal and installation of work equipment control valve assembly
Removal and installation of power train pump and work equipment pump assembly
Removal and installation of steering pump and cooling fan pump assembly
Removal and installation of hydraulic tank assembly
Work equipment
Removal and installation of work equipment assembly
Disassembly and assembly of hydraulic cylinder assembly
Cab and its attachments
Removal and installation of operator's cab and floor frame assembly
Removal and installation of operator's cab glass (stuck glass)
Removal and installation of air conditioner unit assembly
Electrical system
Removal and installation of engine controller assembly

Electrical diagrams and drawings
Hydraulic diagrams and drawings
Power train hydraulic circuit diagram

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