Komatsu D39EX-22 Dozer Service Manual

Komatsu D39EX-22 Dozer Service Manual


Language: English
Publication: SEN04041-05
Format: PDF
Komatsu D39EX-22 Service Repair Manual – 1046 Pages

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Komatsu D39EX-22 Dozer Service Manual

Komatsu Dozer Bulldozer D39EX-22 Model
Language: English
Publication: SEN04041-05
Format: PDF
Komatsu D39EX-22 Service Manual – 1046 Pages

Table of Content of the Komatsu Dozer D39EX-22 Manual:

00 Index and foreword
01 Specification
10 Structure, function and maintenance standard
20 Standard value table
30 Testing and adjusting
40 Troubleshooting
50 Disassembly and assembly
90 Diagrams and drawings

1. General Instructions
This section presents under one heading the basic information and procedures common to the sections on “Disassembly and Assembly”, “Testing and Adjustments”, “Troubleshooting”, and “Removal and Installation”. It is essential for the serviceman to thoroughly understand and know this section till it becomes a part of his common sense.

2. Structure and Function.
This section gives a detailed explanation of the “Structure” with details and drawings of the “Constituent Parts” and “block” or “circuit” diagrams, arranged for the serviceman, but also useful as a textbook for training service personnel. The Training Aids should is use to cover the basic theory in this Komatsu D39EX-22 Dozer Manual.

3. Testing and Adjustments.
Procedures of all the necessary “Tests” and “Adjustments” are describe with photographs showing the necessary measuring equipment and the location for making the measurements. This should aid the serviceman in his trouble shooting, checking and adjusting work.

4. Troubleshooting
Typical common troubles are listed and systematically described; with their causes and the procedures for finding and diagnosing the symptoms.
As it is impossible to list all of the possible troubles, the serviceman should study the sections covering the “Structure and Function” and “Testing and Adjustments” and apply this knowledge to diagnose any non-listed troubles.

5. Manual Specifications for Komatsu D39EX-22 Dozer
In this section, all standard dimensions and tolerances that are necessary to perform Testing and Adjustments is mention with drawings together with, appropriate procedures for disassembly and assembly, performing repairs, or troubleshooting. However, basic dimensions and tolerances, for repairs or rebuilding, are limited to those machine parts most commonly worked on.

The coolant temperature gauge does not indicate correctly.
(1)Although the coolant temperature is rising normally, the indication of the coolant temperature stays in
white range (a).
(2)Although the coolant temperature is stabilized normally, the indication of the coolant temperature
rises to red range (c).

Possible causes and standard value in normal state
-Defective coolant temperature sensor circuit
-Defective monitor panel


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