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SEBM036601
© 2005
All Rights Reserved
Printed in Japan 02-05(02)
(1)
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12V170-2
CONTENTS
No. of page
01
GENERAL ........................................................................................................................... 01-1
11
STRUCTURE AND FUNCTION ........................................................................ 11-1
12
TESTING AND ADJUSTING ............................................................................... 12-1
13
DISASSEMBLY AND ASSEMBLY................................................................ 13-1
14
MAINTENANCE STANDARD ........................................................................... 14-1
15
REPAIR AND REPLACEMENT OF PARTS ........................................ 15-1
SAFETY
SAFETY NOTICE
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SAFETY
SAFETY NOTICE
IMPORTANT SAFETY NOTICE
Proper service and repair is extremely important for safe machine operation. The service and
repair techniques recommended by Komatsu and described in this manual are both effective
and safe. Some of these techniques require the use of tools specially designed by Komatsu for
the specific purpose.
To prevent injury to workers, the symbol k is used to mark safety precautions in this manual.
The cautions accompanying these symbols should always be followed carefully. If any danger-
ous situation arises or may possibly arise, first consider safety, and take the necessary actions
to deal with the situation.
GENERAL PRECAUTIONS
Mistakes in operation are extremely dangerous.
Read the Operation and Maintenance Manual care-
fully BEFORE operating the machine.
1. Before carrying out any greasing or repairs, read
all the precautions given on the decals which are
fixed to the machine.
2. When carrying out any operation, always
wear safety shoes and helmet. Do not wear
loose work clothes, or clothes with buttons
missing.
•
Always wear safety glasses when hitting
parts with a hammer.
•
Always wear safety glasses when grinding
parts with a grinder, etc.
3. If welding repairs are needed, always have a
trained, experienced welde