Komatsu AX20 Operation & Maintenance Manual page 50

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14. INSPECTION AND MAINTENANCE
Always use tools that are suited for inspection and maintenance. It is
extremely dangerous to use broken tools or tools designed for another
purpose.
Even if no abnormality is found, always replace safety critical parts periodically. As time passes, these
parts deteriorate and may cause fire or failure in the work equipment system. The list of safety critical parts
is in "PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS" on page 4-10.
However, if these parts show any abnormality before the replacement interval has passed, they should be
repaired or replaced immediately.
Immediately after using the lift truck, the engine coolant is at high
temperature (HOT!) and high pressure. Do not remove the radiator
cap under these conditions. Hot water may spurt out and cause
burns.
When removing the radiator cap, use a rag and turn it slowly to
release the internal pressure.
When checking the coolant level, stop the engine and wait for the
engine to cool down before checking. For lift trucks equipped with a
sub-tank or reservoir, check the level in the sub-tank.
When adding water on lift trucks equipped with a sub-tank, add the
water to the sub-tank.
It is extremely dangerous if you or any tool touches or gets caught in the
fan or fan belt when the fan is rotating. Never touch the fan when it is
rotating.
Always stop the engine before inspecting rotating parts.
When inspecting the areas around rotating parts, do not allow anything to
come close which may get caught.
2-22
USE SUITABLE TOOLS
REPLACE SAFETY CRITICAL PARTS PERIODICALLY
PRECAUTIONS WITH HIGH TEMPERATURE COOLANT
ROTATING FAN AND BELT

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