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This Manual is prepared as a technical material in
which the information necessary for the maintenance
and repairing services of our hydraulic excavators are
collected, and is categorized into 7 Chapters, Specifica-
tion, Maintenance, System, Disassembly, Trouble-
shooting, Engine, and Installation Procedures for
Optional Attachment.
•
The Chapter "Specification" describes the specifi-
cations for entire machine and material, which are
instructive for replacement and repairing of attach-
ments.
•
The Chapter "Maintenance" describes the material,
which is helpful for maintenance service and adjust-
ments for entire machine.
•
The Chapter "System" describes the operating sys-
tem like hydraulic system, electric system, compo-
nents, and so on.
•
The Chapter "Disassembly" describes the removal
and installing of assembly mounted on the upper
structure and undercarriage, and the assembling
and disassembling of the associated hydraulic
equipment.
•
The Chapter "Troubleshooting" describes how to
find the fault equipment.
•
The Chapter "Engine" describes the engines mak-
ing use of the "Maintenance Manual" provided by
the suppliers.
•
The Chapter "Installation Procedures for Optional
Attachment" describes the supplements added on
request as required.
This Manual may be properly revised due to the im-
provement of products, modification of specifications,
etc. And there are cases where the system on actual
machine and a part of the contents of this manual may
differ due to the variations of specification by countries.
For the section in which the description is hardly under-
stood, contact our distributor.
The number is assigned to every part handled in this
Manual on account of the description, but the parts,
which cannot be supplied as service parts are con-
tained. Therefore, the order must be placed with re-
spective formal number with due confirmation on the
Parts Manual for applicable machine.
