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M4GB-07-004
M4GB-07-136
M4GB-07-030
M4GB-07-031
ZW180, ZW220, ZW250
ZW310
NOTE: Be sure to replace the transmission oil filter when
changing the transmission oil at the same time.
1. Operate the machine until the transmission oil is heated
to the appropriate temperature.
2. Park the machine on solid level ground. Lower the bucket
to the ground.
3. Move forward/reverse lever (1) to neutral. Press neutral
lever lock (2) to the LOCK position.
4. Apply parking brake (3).
5. Install articulation lock bar (4) to the front and rear frames.
6. Turn the key switch OFF to stop the engine. Leave the ma
-
chine untouched for 10 minutes.
7. Prepare a container of more than 50 L capacity to receive
the drain oil.
NOTE: The drain plug is magnetized. If excessive amount of
metal pieces are found adhered to the drain plug, con
-
tact your nearest HITACHI dealer.
8. Remove drain plug (5) from the transmission bottom to
drain the oil. Dispose of the drain oil in the proper way.
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