Komatsu Wheel Loader WA320-5 sn: H50051 and up Workshop Service Manual

Komatsu Wheel Loader WA320-5 sn: H50051 and up Workshop Service Manual

Original Illustrated Factory Workshop Service Manual for Komatsu Wheel Loader WA320. 
Original factory manuals for Komatsu Loaders, Dozers, Excavators contains high quality images, circuit diagrams and instructions to help you to operate, maintenance and repair your truck. All Manuals Printable, contains Searchable Text and Navigation Bookmarks
 
Covered models:
    WA320-5 sn: H50051 and up
 
Format: PDF, 972 Pages
Language: English
 
Contents:
    01 GENERAL 
        General assembly drawings  
        Specifications 
        Weight table 
        List of lubricant and coolant 
    10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD 
        Engine mount and transfer mount 
        Damper 
        Cooling system
        Power train 
        Power train system diagram 
        Drive shaft (propeller shaft) 
        HST hydraulic piping diagram 
        HST pump 
        High-pressure relief valve
        Low-pressure relief valve
        HST charge pump 
        Speed-related valve (DA valve)
        High-pressure cut-off valve
        HST motor 
        EP servo valve
        HA servo valve 
        Forward-reverse shuttle valve 
        Transfer 
        Clutch solenoid valve
        Axle
        Differential 
        Limited-slip differential
        Final drive 
        Axle mounting and center hinge pin 
        Steering piping
        Steering column
        Priority valve 
        Orbit-roll valve 
        Cushion valve 
        Steering cylinder 
        Emergency steering piping 
        Emergency steering valve 
        Brake piping
        Brake valve
        Inching valve
        Charge valve 
        Accumulator (for brake) 
        Slack adjuster 
        Brake 
        Parking brake control
        Parking brake 
        Parking brake solenoid valve
        Parking brake cylinder 
        Hydraulic piping 
        Work equipment lever linkage 
        Hydraulic tank 
        4-gear pump unit
        Accumulator (for PPC circuit)
        Lock valve 
        Travel damper valve 
        Accumulator (for travel damper) 
        Hydraulic piping of cooling system
        Cooling fan motor
        Work equipment control valve
        Work equipment PPC valve 
        Attachment PPC valve 
        Work equipment linkage 
        Bucket 
        Bucket positioner and boom kick-out 
        Work equipment cylinder 
        Air conditioner 
        Machine monitoring system 
        Machine monitor 
        List of items displayed on monitor
        Electrical system (HST controller system) 
        HST controller 
        Function of selecting forward-reverse 
        selector switch 
        Engine start circuit 
        Engine stop circuit
        Preheating circuit (automatic preheating system) 
        Parking brake circuit 
        Electronically controlled suspension system 
        Sensors
    20 TESTING AND ADJUSTMENT
        Standard value table 
            Standard value table for engine
            Standard value table for chassis 
        Testing and adjusting
        Troubleshooting .
    30 DISASSEMBLY AND ASSEMBLY
        How to read this manual 
        Precautions when carrying out operation
        Special tool list 
        Sketch of special tools 
        Removal, installation of fuel injection pump assembly
        Removal, installation of nozzle holder assembly
        Removal, installation of cylinder head assembly
        Removal, installation of engine assembly 
        Removal, installation of radiator assembly 
        Removal, installation of air aftercooler 
        Removal, installation of hydraulic oil cooler assembly
        Removal, installation of cooling fan and fan motor assembly 
        Removal, installation of fuel tank assembly 
        Removal, installation of transfer
        Disassembly, assembly of transfer assembly
        Removal, installation of parking brake assembly
        Disassembly, assembly of parking brake assembly 
        Removal, installation of front axle assembly 
        Removal, installation of rear axle assembly
        Disassembly, assembly of axle housing assembly
        Disassembly, assembly of differential assembly
        Removal, installation of HST pump and 4-gear pump assembly 
        Removal, installation of HST motor 1 assembly
        Removal, installation of HST motor 2 assembly
        Removal, installation of work equipment control valve assembly 
        Removal, installation of travel damper valve assembly
        Removal, installation of hydraulic tank assembly
        Removal, installation of work equipment assembly
        Disassembly and assembly of HST pump assembly
        Disassembly and assembly of HST motor assembly
        Disassembly, assembly of hydraulic cylinder assembly
        Removal, installation of operator's cab  assembly 
        Removal, installation of operator's cab glass (Stuck glass) 
        Removal, installation of center hinge pin 
        Removal, installation of counterweight 
        Removal, installation of air conditioner unit assembly 
        Removal, installation of air conditioner compressor assembly 
        Removal, installation of monitor panel 
    90 OTHERS.
        Hydraulic circuit diagram  
        Electrical circuit diagram 1/5 (1/4) 
        Electrical circuit diagram 1/5 (2/4) 
        Electrical circuit diagram 1/5 (3/4) 
        Electrical circuit diagram 1/5 (4/4) 
        Electrical circuit diagram 2/5 (1/4) 
        Electrical circuit diagram 2/5 (2/4) 
        Electrical circuit diagram 2/5 (3/4) 
        Electrical circuit diagram 2/5 (4/4) 
        Electrical circuit diagram 3/5
        Electrical circuit diagram 4/5
        Electrical circuit diagram 5/5.
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