5-38
MAINTENANCE
AFTER THE INITIAL 250
HOURS (ONLY FOR NEW
MACHINES)
REPLACING THE SLEW MOTOR GEAR OIL
• Stop the engine and allow each part of
the machine to cool down before
performing maintenance.
· The slew motor is hot immediately
after the engine is stopped. Touching
it will cause burns.
· The gear oil is also hot and under high
pressure immediately after the engine
is stopped.
Be careful not to touch the oil when
loosening the plug. Working on the
machine under these conditions could
result in burns or injuries.
• When performing maintenance on the
machine, clean up the foot area and
strictly observe the following so as not
to fall:
· Do not spill oil or grease.
· Do not leave tools scattered around.
· Watch your step when walking.
• Never jump down from the machine.
Use the steps and handrails when
climbing up and down the machine, and
always support your body at three
points with your hands and feet.
• The pressure in the reduction gear case
of slew motor may cause oil or the cap
to fly out. Loosen the cap slowly to
release the pressure.
AFTER THE INITIAL 250 HOURS (ONLY FOR NEW MACHINES)
1. Remove the cap (2).
2. Place a pan under the hose (3) to catch
the waste oil.
3. Loosen the drain valve (4) and drain the
oil.
4. Tighten the drain valve (4).
5. Add oil up to the upper limit (H) of the level
gauge (1).
Problems could arise if the oil level is either
too low to too high.
6. Tighten the cap (2).
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