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8. PRECAUTIONS
FOR MAINTENANCE
A
WARNING: For reasons of safety, always follow
these safety precautions.
Do not bend high-pressure
hoses or hit them with hard objects. Do not use any bent or cracked piping, tubes
or hoses. They may burst during use.
Always repair any loose or broken fuel hoses or oil hoses. If fuel or oil leaks, it may cause a fire.
Avoid torching, soldering or welding on pipes, tubes or equipment that contain fuel or oils. If heated they can
generate flammable fumes or mist and could cause a fire or explosion.
+ When repairing
the electrical
system or when carrying
out electrical
welding,
remove the negative (-) terminal of the battery to stop the flow of current.
Do not forget that the work equipment circuits are always under pressure.
Do not add oil, drain oil, or carry out maintenance
or inspection before completely
releasing the internal pressure.
If you are hit by a jet of high pressure oil, consult a doctor immediately for medical
attention.
If oil is leaking under high pressure from small holes, it is dangerous
if the jet of
high pressure oil hits your skin or enters your eyes. Always wear safety glasses
and thick gloves, and use a piece of cardboard or a sheet of wood to check for oil
leakage.
Immediately
after stopping machine operations,
the engine coolant and oil at all
parts are at high temperatures
and under high pressure. In this condition,
if the
radiator cap is removed, or the oil or coolant are drained, or the filters are replaced,
this may result in burns or other injury. Wait for the temperature to go down, then
carry out the inspection and maintenance in accordance with the procedures
given
in this manual.
.
.
Cleaning inside of cooling system + see 24. SERVICE PROCEDURES.
Checking coolant level, hydraulic oil level d see 24. SERVICE PROCEDURES.
Checking lubricating oil level, adding oil + see 24. SERVICE PROCEDURE.
Changing oil, replacing filters + see 24. SERVICE PROCEDURE.
1-18
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