This 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. Make sure you understand the contents of this manual and use it to full effect at every opportunity.

APPLICABLE MODELS :
Komatsu WF550A-3 → SN: 50002 and up

Komatsu WF550A-3 mounts the SA6D140E-2 engine.
For details of the engine, see the 60140-2 Series Engine Shop Manual.

TABLE OF CONTENTS :
GENERAL
STRUCTURE AND FUNCTION
TESTING AND ADJUSTING
MAINTENANCE STANDARD
OTHERS

Downloadable : YES
File Format : PDF
Requirements : PDF Reader
Compatible : Windows & Mac
Language : English
Total pages : 200+

This manual mainly contains the necessary technical information for operations performed in a service workshop.
For ease of understanding, the manual is divided into chapters for each main group of components; these chapters are further divided into the following sections.

STRUCTURE AND FUNCTION
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 AND ADJUSTING
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" with "Causes" are also included in this section.

DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.

MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.

OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.

This manual contains information and data to this model. Has specs, diagrams, and actual real photo illustrations, and schemes. These shop manual is as good as it gets for Diagnosing, Repairing, and Maintenancing your machinery. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need or all manual.

→ All pages are printable, so run off what you need & take it with you into the garage or workshop.
→ This Manual PDF Compatible with All version Windows PC OS, MAC OS and Linux OS.
→ Compression utility needed to extract it first, if PDF locate in the archive (e.g. 7-zip).