Komatsu WA250PZ-5 Wheel Loader Shop Manual PDF

This service manual provides detailed information by which you can improve the quality of the operation and maintenance of wheel loaders Komatsu WA250PZ-5. Service manual helps you to designate the symptoms that can help you identify problems, find the most probable causes and follow the instructions to repair the problem is solved. This shop manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements.

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
  • Transfer oil cooler
  • 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
  • 2-way restrictor 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
  • Hydraulic piping
  • Work equipment lever linkage
  • Hydraulic tank
  • 4-gear pump unit
  • Accumulator (for ppc circuit)
  • Lock valve
  • Bypass valve
  • E.C.S.S. valve
  • Accumulator (for E.C.S.S.)
  • Hydraulic piping of cooling system
  • Cooling fan motor
  • Work equipment control valve
  • Work equipment PPC valve
  • Attachment PPC valve
  • Work equipment linkage
  • Bucket
  • Control of bucket positioner, 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
  • Testing and adjusting
  • Troubleshooting
• 30 DISASSEMBLY AND ASSEMBLY
  • How to read this manual
  • Precautions when performing operation
  • Special tool list
  • Sketches 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
  • Disassembly and assembly of HST pump assembly
  • Removal, installation of HST motor 1 assembly
  • Removal, installation of HST motor 2 assembly
  • Disassembly and assembly of HST motor 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, 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 1/4 (1/4)
  • Electrical circuit diagram 1/4 (2/4)
  • Electrical circuit diagram 1/4 (3/4)
  • Electrical circuit diagram 1/4 (4/4)
  • Electrical circuit diagram 2/4
  • Electrical circuit diagram 3/4
  • Electrical circuit diagram 4/4

Forklifts Komatsu WA250PZ-5 is a diesel truck with a long service life, all the features you need for a high level of production and environmentally friendly operation. Used Komatsu wheel loaders in the industrial, general civil and road construction, agriculture and forestry, as well as in the mining industry. The tutorial is for trained and qualified personnel and for persons who do not have experience in using this device. But you should read each section and pay attention to the notes, rules, and recommendations. 

Features of the Manual
Format: PDF
Language: English
Pages: 830
Compatible with all versions of Windows, Mac, Linux, iPhone, iPad, and Android
The Repair manual contains detailed descriptions of all repair and troubleshooting procedures, maintenance manuals, operating instructions, special guidelines for installation and calibration of wheel loaders Komatsu. This shop manual mainly contains the necessary technical information for operations performed in a service workshop.

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