5-51
MAINTENANCE
REPLACING THE HYDRAULIC OIL AND
CLEANING THE SUCTION STRAINER
• Stop the engine and allow the machine
to cool down before performing
maintenance.
· The engine and the hydraulic system
and many other parts of the machine
are hot immediately after the engine is
stopped. Touching these parts will
cause burns.
· The hydraulic oil 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 oil spurting
out.
• Oil may spurt out if caps or filters are
removed or pipes are disconnected
before releasing the pressure in the
hydraulic system.
· When removing plugs or screws, or
when disconnecting hoses, stand to
the side and loosen them slowly to
gradually release the internal pressure
before removing.
• Be sure to secure the rear door or
radiator before working the inside.
1. Drain the engine coolant.
Refer to “Cleaning the engine cooling
system” on pages 5-49 to 5-50.
EVERY 1000 HOURS
2. Place a pan for catching the waste oil
under the drain plug (7).
3. Loosen the drain plug (7) and drain the
hydraulic oil.
4. Remove the bolts (a) and open the
radiator/oil cooler (b).
5. Disconnect the hoses that are connected
to the radiator/oil cooler (b).
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