Komatsu Utility SK714-5, Руководство по ремонту

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SK714-5 SK815-5 SK815-5 turbo
SAFETY
00-3
IMPORTANT SAFETY NOTICE
Proper service and repair is extremely important for the safe operation of your machine.
The service and repair techniques recommended by Komatsu Utility and describe in this manual are both ef-
fective and safe methods of operation. Some of these operations require the use of tools specially designed
by Komatsu Utility for the purpose.
To prevent injury to workers, the symbols
and are used to mark safety precautions in this manual.
The cautions accompanying these symbols should always be carefully followed. If any danger arises or may
possibly arise, first consider safety, and take necessary steps to face.
SAFETY
GENERAL PRECAUTIONS
Mistakes in operation extremely dangerous.
Read all the Operation and Maintenance Manual care-
fully BEFORE operating the machine.
1. Before carrying out any greasing or repairs, read all
the precautions written on the decals which are suck
on the machine.
2. When carrying out any operation, always wear safe-
ty 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, always wear weld-
ing gloves, apron, glasses, cap and other clothes
suited for welding work.
4. When carrying out 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 signs on the
controls in the operator’s compartment.
5. Keep all tools in good condition and learn the correct
way to use them.
6. Decide 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 or oil on the
floor.
Smoke only in the areas provided for smoking. Nev-
er smoke while working.
PREPARATIONS FOR WORK
7. Before adding or making any repairs, park the ma-
chine on hard, level ground, and block the wheels to
prevent the machine from moving.
8. Before starting work, lower outrigger, bucket or any
other work equipment to the ground. If this is not
possible, use blocks to prevent the work equipment
from falling down. In addition, be sure to lock all the
control levers and hang warning sign on them.
9. When disassembling or assembling, support the
machine with blocks, jacks or stands before starting
work.
10. Remove all mud and oil from the steps or other plac-
es used to get on and off the machine. Always use
the handrails, ladders or steps when getting on or off
the machine.
Never jump on or off the machine.
If it is impossible to use the handrails, ladders or
steps, use a stand to provide safe footing.
PRECAUTIONS DURING WORK
11. When removing the oil filler cap, drain plug or hy-
draulic pressure measuring plugs, loosen them
slowly to prevent the oil from spurting out.
Before disconnecting or removing components of
the hydraulic circuit and engine cooling circuit, first
remove the pressure completely from the circuit.
12. The water and oil in the circuits are not hot when the
engine in stopped, so be careful not to get burned.
Wait for the oil water to cool before carrying out any
work on the cooling water circuits.
13. Before starting work, remove the leads from the bat-
tery. Always remove the lead from the negative ( – )
terminal first.