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Maintenance
every 1000 hourS
every 1000 hourS
replacing the travel motor gear
oil
Refer to "Replacing the travel motor gear oil"
on page 5-35.
cleaning the engine cooling
SyStem
• Stop the engine and allow the machine
to cool down before performing
maintenance.
· The engine, muffler, radiator and many
other parts of the machine are hot
immediately after the engine is
stopped. Touching these parts will
cause burns.
· The engine coolant is also hot and
under high pressure immediately after
the engine is stopped. Be careful
when loosening the caps or plugs.
Working on the machine under these
conditions could result in burns or
injuries due to the hot coolant spurting
out.
• If maintenance must be performed with
the engine running, always work as a
two person team communicating each
other.
· One person must sit in the operator's
seat so that he/she can immediately
stop the engine when necessary. He/
she must take care not to touch the
lever or pedal unless necessary.
· The one who performs maintenance
must make sure to keep his/her body
or clothing away from the moving part
of the machine.
• Standing at the back of the machine
while the engine is running is extremely
dangerous, as the machine could move
suddenly. Never stand at the back of the
machine while the engine is running.
• Do not remove the radiator cap or the
drain plug when the cooling water is
hot. Stop the engine and wait until the
engine and the cooling water cool.
Then, slowly loosen the radiator cap
and the drain plug to remove them.
When cleaning, if the temperature of the
coolant is low, the thermostat will be closed
and the coolant will not circulate in the
radiator. Heat the coolant water to at least
90°C (194°F) before cleaning.
1. Open the engine hood.
2. Gradually loosen the radiator cap (3) to
release the internal pressure, and then
remove the cap.
3. Place a pan for catching the waste coolant
under the drain plug (4), and then loosen
the drain plug (4) to drain the coolant.
4. Tighten the drain plug (4).
5. Add tap water to the radiator through the
coolant fill port up to the top of the port.
Take time and slowly add water, so that no
air enters the radiator.
6. Close the radiator cap (3).
5-42
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