MAINTENANCE
After
First 250
Hours
(New
Machines
Only)
Replacing the Travel
Motor
Gear
Oil
AwARNING
• Stop the engine and allow the
machine
to
cool before performing
maintenance.
• The travel
motors
are
hot
directly
after the engine is stopped. Touching
them will cause burns.
• The gear oil is also
hot
and under high
pressure.
Be careful when loosening plugs.
Working on the machine under these
conditions could result in burns
or
injuries.
• The pressure in the travel
motor
reduction gears case may cause oil
or
the plug
to
fly
out. Loosen the plug
slowly
to
release the pressure.
IMPORTANT: If the percentage
of
the
travel time within the total operating
time
is high, replace the gear oil earlier than
the specified time.
1.
Set the travel motor so that plug
(1)
is
at
the very bottom.
2.
Place a pan for catching the waste
oil
under plug
(1
).
3.
Remove plugs
(1),
(2)
and
(3)
and drain the
oil.
4.
Wrap new sealing tape around the plugs.
137
5.
Tighten plug
(1
).
•Tightening torque:
22
N·m
(15.9
ft-lb.)
6.
Supply
oil
through the hole for plug
(3)
until oil flows out
of
the hole
of
plug
(2)
.
7.
Tighten plugs
(2)
and
(3).
•Tightening torque:
22
N·m
(15.9
ft-lb.)
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