00-2
CONTENTS
00 SAFETY ............................................................................. 00-3
01 GENERAL ......................................................................... 01-1
10 STRUCTURE AND FUNCTION....................................... 10-1
20 TESTING AND ADJUSTING............................................ 20-1
30 DISASSEMBLY AND ASSEMBLY................................... 30-1
90 OTHERS ........................................................................... 90-1
No. of page
SAFETY
Safety Notice
00-3
00 SAFETY
Safety Notice
Important Safety Notice
Proper service and repair is extremely important for safe machine operation. Some of the described service
and repair techniques require the use of tools specially designed by Komatsu for the specific purpose.
To prevent injury to workers, the symbol is used to mark safety precautions in this manual. The cautions
accompanying these symbols must always be followed carefully. If any dangerous 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 ca-
refully before operating the machine! Always follow the safety rules valid in your country carefully!
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 welder carry out the work. When carrying
out welding work