Komatsu WB140PS-2N and WB150PS-2N Backhoe Loader Service Manual

Komatsu WB140PS-2N and WB150PS-2N Backhoe Loader Service Manual

$34.00

Service Repair Manual of 498 Pages for Komatsu Backhoe Loader WB140PS-2N and WB150PS-2N

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Description

Komatsu WB140PS-2N and WB150PS-2N Backhoe Loader Service Manual

This Manual is applicable to the Komatsu Backhoe Loader WB140PS-2N and WB150PS-2N Model
Language: English
Publication: CEBD011100 and CEBM012801
The Service Manual consist of 498 Pages

Serial Number:
WB140PC-2N
A40001 and up
A40034 and up

WB150PC-2N
A70001 and up
A70010 and up

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

Table of Content of the Komatsu Loader WB140PS-2N and WB150PS-2N Manual:

– General
– Engine
– Power Train
– Undercarriage
– Hydraulic System
– Work Equipment
– Electrical System

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 WB140PS-2N and WB150PS-2N

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.

FRONT BUCKET TILT CYLINDERS KOMATSU WB140PS-2N and WB150PS-2N

FRONT BUCKET TILT CYLINDERS KOMATSU WB140PS-2N and WB150PS-2N

 

1. Loosen the clips (1) and remove the tube protection (2).
For the right-hand cylinder only
Disconnect the sensor (3) and remove the bucket position rod (4).

2. Support the cylinder (5) with a sling. Insert a block A between the spacer (6) of the piston fulcrum lever (7) and the link (8).

3. Take off the snap ring and the internal retaining spacer for the piston attachment pin (9).

4. Take out the pin (9).

5. Start the engine to retract the piston (10).
Bind the piston head with wire to secure the fully retracted position.
Stop the engine.

 

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