Komatsu PC228US-3 and PC228USLC-3 Excavator Service Manual

Komatsu PC228US-3 and PC228USLC-3 Excavator Service Manual

$34.00

Service Repair Manual of 672 Pages for Komatsu Excavator PC228US-3 and PC228USLC-3

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Description

Komatsu PC228US-3 and PC228USLC-3 Excavator Service Manual

Manual for Komatsu Excavator PC228US-3 and PC228USLC-3
Language: English
Publication: SEBM030506

The Komatsu PC228US-3 and PC228USLC-3 Service Manual consist of 672 Pages

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

Table of Content of the Komatsu Excavator PC228US-3 and PC228USLC-3 Manual:

01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHERS

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 Excavator PC228US-3 and PC228USLC-3

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 raising heavy components, use a hoist or crane. Check that the wire rope, chains and hooks are free from damage.
Always use lifting equipment which has ample capacity. Install the lifting equipment at the correct places. Use a hoist or crane and operate slowly to prevent the component from hitting any other part. Do not work with any part still raised by the hoist or crane.

OUTLINE
• This control valve consists of a 6-spool valve (unit type), 1 service valves, a pump mergedivider valve, a back pressure valve, and a
boom hydraulic drift prevention valve.
• Since all the valves are assembled together with connecting bolts and their passes are connected to each other inside the assembly, the assembly is small in size and easy to maintain.
• Since one spool of this control valve is used for one work equipment unit, its structure is simple.

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