Komatsu D37EX-23, D37PX-23, D39EX-23, D39PX-23 Dozer Repair Manual

Shop Manual: 1555 pages
Operation and Maintenance Manual: 341 pages
Serial Number:
SEN06061-03:
D37EX-80001 and up
D37PX-80001 and up
D39EX-90001 and up
D39PX-90001 and up
TEN00606-07:
D37-80001
D39-90001
Manuals: Shop Manual and Operation and Maintenance Manual
Index and Foreword
Specification
Structure and Functions
Standard Value Table
Testing and Adjusting
Troubleshooting
Disassembly and Assembly
Appendix
Circuit Diagrams
Index
Composition of Komatsu manual
00. Index and foreword
This section includes the index, foreword, safety and basic information.
01. Specification
This section explains the specifications of the machine.
10. Structure and function
This section explains the structure and function of the machine. The section of “Structure and function”
serves not only to give an understanding for the structure of each component, but also serves as reference material for troubleshooting.
20. Standard value table
The standard values for a new machine and trouble shooting are indicated. This standard value table is used for testing and adjusting, and determining a failure at troubleshooting.
30. Testing and adjusting
This section describes the measuring tools and how to measure, and how to adjust various parts. As for the standard value and failure criterion, see the standard value table.
40. Troubleshooting
This section describes the troubleshooting in a suspected area when a failure occurs and the remedy for the failure. Troubleshooting is described by each failure mode.
50. Disassembly and assembly

This section explains the procedures for removing, installing, disassembling, and assembling each part or component and the special tools for the works as well as precautions for doing them safely. In addition, tightening torque, and quantity and weight of coating material, oil, grease, and coolant required for the works are also explained.

60. Maintenance standard
This section describes the maintenance standard values for each component. This section gives the criterion values for each component and required remedy at disassembly or maintenance.
80. Appendix

The structure and function, testing and adjusting, and troubleshooting for all of the other components or equipment which can not be separately classified are explained together in the appendix.

90. Diagrams and drawings
This section gives hydraulic circuit diagrams and electrical circuit diagrams.