Komatsu WB142-5 Backhoe Loader Service Manual

Komatsu WB142-5 Backhoe Loader Service Manual

$34.00

Service Manual of 506 Pages for Komatsu Backhoe Loader WB142-5

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Description

Komatsu WB142-5 Backhoe Loader Service Manual

This Manual is applicable to the Komatsu Backhoe Loader WB142-5 Model
Language: English
Publication: CEBM018903
The Service Manual consist of 506 Pages

The Manual is divided into major sections covering various components of the machine.

Table of Content of the Komatsu Loader WB142-5 Manual:

– General
– Structure Function and Maintenance
– Standard Value
– Resting and Adjusting
– Troubleshooting
– Dissassemly

GENERAL
This section lists the general machine dimensions, performance specifications, component weights, and fuel, coolant and lubricant specification charts.

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting.


TESTING, ADJUSTING AND TROUBLESHOOTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs. Troubleshooting charts correlating “Problems” to “Causes” are also mention in this section.


DISASSEMBLY AND ASSEMBLY
KOMATSU LOADER  WB142-5

This section explains the order to be followed when removing, installing, disassembling or assembling each component, as well as precautions to be taken for these operations.

When removing covers which are under internal pressure or under pressure from a spring, always leave two bolts in position on opposite sides. Slowly release the pressure, then slowly loosen the bolts to remove.

When removing covers which are under internal pressure or under pressure from a spring, always leave two bolts in position on opposite sides. Slowly release the pressure, then slowly loosen the bolts to remove.

BACKHOE CONTROL VALVE KOMATSU LOADER  WB142-5

KOMATSU LOADER  WB142-5REMOVAL

★ Center the backhoe and leave the backhoe plate unlocked.
★ Lower the outriggers to the ground, curl the bucket and allow it to rest on the ground on its back.
★ Apply the parking brakes, stop the engine and remove the starting key.
★ Release all residual pressure by operating the hydraulic controls (including any optional device pedals) several times in all directions.

1. Remove screws and remove control pedal for hammer (if equipped).
2. Remove metal floor cover (7) closing off the floor.
3. Disconnect all hoses and hydraulic lines.
★ Ensure that all hoses are marked. Disconnect the hoses from the control valve starting from upper hoses (8).
★ Plug all pipes and hoses immediately to prevent contamination.
4. Disconnect connector (10) from solenoid valve (9).
5. Disconnect links (12) from control valve (11).

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