Foreword, Safety And General Information; Foreword And General Information - Komatsu PC200-8M0 Shop Manual

SEN06112-00

Foreword, safety and general information

Important safety notice
q Appropriate servicing and repair are extremely important to ensure safe operation of the machine. The
shop manual describes the effective and safe servicing and repair methods recommended by Komatsu.
Some of these methods require the use of the special tools designed by Komatsu for the specific pur-
pose.
q The symbol mark
indicated by the caution mark should be performed according to the instructions with special attention to
the cautions. Should hazardous situation occur or be anticipated during such work, be sure to keep safe
first and take every necessary measure.
General precautions
k
Inappropriate handling causes an extreme
danger. Read and understand what is
described in the operation and mainte-
n a n c e m a n u a l b e f o r e o p e r a t i n g t h e
machine. Read and understand what is
described in this manual before starting the
work.
Before performing any greasing or repairs,
q
read all the safety labels stuck to the machine.
For the locations of the safety labels and
detailed explanation of precautions, see the
operation and maintenance manual.
q Locate a place in the repair workshop to keep
the 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.
q When performing any work, always wear the
safety shoes and helmet. Do not wear loose
work cloths, or clothes with buttons missing.
1. Always wear the protective eyeglasses
when hitting parts with a hammer.
2. Always wear the protective eyeglasses
when grinding parts with a grinder, etc.
q When performing any work with two or more
workers, always agree on the working proce-
dure before starting. While working, always
keep conversations of the work between your
fellow workers and your self on any step of the
work. During the work, hang the warning tag of
"UNDER WORKING" in the operator's
compartment.
Only qualified workers must perform the work
q
and operation which require license or qualifi-
cation.
q Keep the tools in good condition. And learn the
correct way to use the tools, and use the
proper ones among them. Before starting the
work, thoroughly check the tools, forklift truck,
service car, etc.
2
00-200
k
is used for such matters that require special cautions during the work. The work

200 Foreword and general information

Foreword, safety and general information

q If welding repairs is required, always have a
trained and experienced welder with good
knowledge of welding perform the work. When
performing welding work, always wear welding
gloves, apron, shielding goggles, cap, etc.
q Before starting work, warm up your body thor-
oughly to start work under good condition.
q Avoid continuing work for long hours and take
rests with proper intervals to keep your body in
good condition. Take a rest in a specified safe
place.
Safety points
1 Good arrangement
2 Correct work clothes
3 Observance of work standard
4 Practice of making and checking signals
Prohibition of operation and handling by
5
unlicensed workers
6 Safety check before starting work
Wearing protective goggles
7
(for cleaning or grinding work)
Wearing shielding goggles and protectors
8
(for welding work)
9 Good physical condition and preparation
Precautions against work which you are
10
not used to or you are used to too much
Preparation
Before adding oil or making any repairs, place
q
the machine on a firm and level ground, and
apply the parking brake and chock the wheels
or tracks to prevent the machine from moving.
Before starting work, lower the work equipment
q
(blade, ripper, bucket, etc.) to the ground. If it is
not possible to lower the equipment to the
ground, insert the lock pin or use blocks to pre-
vent the work equipment from falling. And be
sure to lock all the work equipment control
levers and hang a warning tag on them.
PC200, 200LC, 220, 220LC-8M0
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