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How to read the shop manual
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Some attachments and optional parts described in this shop manual may not be arranged for certain areas. Contact
your Komatsu distributor if one or some of them are required.
Materials and specifications are subject to change without notice.
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The shop manuals are available for "Machine part" and "Engine part". For the engine, see the shop manual for the
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same model of the engine as the one which is mounted on the machine.
Composition of shop manual
This shop manual describes the technical information required for the services performed in a workshop.
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The shop manual is divided into the following chapters for the convenience of use.
00. Index and foreword
This section includes the index, foreword, safety and basic information.
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01. Specification
This section explains the specifications of the machine.
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10. Structure and function
This section explains the structure and function of the machine. The section of "Structure and function"
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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
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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
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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
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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
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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 cri-
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terion 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
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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.
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WA200-7
00 Index and foreword
How to read the shop manual
(Rev. 2012/10)
00-21
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