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4.5.2 Maintenance in running-in period.
The first 50 operation hours are the running-in
period. It is necessary to carry out following
maintenance operation:
4.5.2.1 Replace engine oil, oil filter.
1) Start engine to warm up oil without
overheating.
2) Lower bucket to ground, stop the machine at
level ground. Turn off auto-idle switch to run
machine unloaded at low speed for 5 minutes.
【Important】
Stopping engine improperly can cause
damages to turbocharger.
3) Set starting key to OFF position, stop engine,
remove the key from starting lock, set pilot
safety lock lever to LOCK position.；
4) Open bottom cover underneath engine, place
container under drain valve of engine oil pan.
Open drain valve to drain engine oil.；
Note
The engine oil might be hot, be care
to handle it without being burned.
5) With engine oil drained, fasten and secure
drain valve.
Replace engine oil filter
6) Oil filter is positioned on main pump
chamber. Open inspection door of main pump
(right back door), use supporting rod to secure
inspection door.
7) Use special wrench for filter to remove filter
cartridge in counterclockwise manner.；
8) Clean up mounting surface of filter bracket
base and cartridge. Apply a layer of clean oil
to new filter washer.
9) Install the new filter, rotate filter cartridge
clockwise until washer is against bracket
mounting surface. Be sure that the washer is
free of damage during the process of
installation.
10) Use special wrench for filter to rotate
cartridge clockwise for 3/4 or 1 turn.
Pay attention not to over fasten.
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