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Foreword and general information
Safety notice
Foreword and general information
Safety notice
Important safety notice
Appropriate servicing and repair are extremely important to ensure safe operation of the machine.
The shop manuals describe the effective and safe servicing and repair methods recommended by Ko-
matsu. Some of the servicing and repair methods require use of special tools designed by Komatsu
for special purposes.
k
The symbol mark "
" is indicated for such matters that require special precautions. The work indi-
cated with the warning mark should be performed according to the instructions with special attention
to the precautions. Should a hazardous situation occur or be anticipated during such work, be sure
to keep safe first and take every necessary measure.
1. General precautions
k
Inappropriate handling creates an ex-
treme danger. Read and understand what
is described in the Operation and Mainte-
nance Manual before operating the ma-
chine. Read and understand what is
described in this manual before starting
work.
1) Before performing any greasing or repairs,
read all the safety labels stuck to the
machine. For the locations of the safety
labels and detailed explanation of precau-
tions, see the Operation and Maintenance
Manual.
2) Locate a place in the repair workshop to keep
tools and removed parts. Always keep the
tools and parts in their correct places. Always
keep the work area clean and make sure that
there is no dirt, water, or oil on the floor.
Smoke only in the areas provided for
smoking. Never smoke while working.
3) When performing any operation, always
wear safety shoes and helmet. Do not wear
loose work clothes, or clothes with buttons
missing.
q
Always wear the safety glasses when hit-
ting parts with a hammer.
Always wear the safety glasses when
q
grinding parts with a grinder, etc.
4) When performing any operation with two or
more workers, always agree on the operating
procedure before starting. Always inform
your fellow workers before starting any step
of the operation. Before starting work, hang
UNDER REPAIR warning tag in the oper-
ator's compartment.
5) Only qualified workers must perform the work
and operation which require license or quali-
fication.
6) Keep all tools in good condition, learn the
correct way to use them, and use the proper
ones. Before starting work, thoroughly check
the tools, machine, forklift truck, service car,
etc.
00-12
7) If welding repairs are needed, always have a
trained and experienced welder perform the
work. When performing welding work, always
wear
welding gloves, apron, shielding
goggles, cap and other clothes suited for
welding work.
8) Before starting work, warm up your body
thoroughly to start work under good condi-
tion.
9) Avoid continuing work for long hours and
take rests at proper intervals to keep your
body in good condition and at the provided
place.
Safety points
1
Good arrangement
2
Correct work clothes
3
Following work standard
4
Making and checking signals
5
Prohibition of operation and handling by unli-
censed workers
6
Safety check before starting work
7
Wearing protective goggles (for cleaning or grind-
ing work)
8
Wearing shielding goggles and protectors (for
welding work)
9
Good physical condition and preparation
10 Precautions against work which you are not used
to or you are used to too much
0 0 - 1 2
0 0 - 1 2
PC600, 650, 700-8E0
(03)
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