5-34
Reducer
Maintenance illustration
Lube capacity of the slewing reducer ---------------------------------1.6L
Lube capacity of the travel reducer ----------------------1L (each side)
Check the level of the lube and oil filling----------------------every 250h
Replace the lube -------------------------------------------------------- 1000h
Check the torque of the connect bolt
of the reducers-------------500h
1. Check the level of the lube for the travel reducer and fill
Warning: The oil of the reducer will be heat when the machine is
travelling. The travel reducer and the oil are in the high-temperature which
could be caused scald after stop the engine. It must wait the oil is cool
before start maintenance. Loose the vent bolt to release the air pressure
before take it down, It is dangerous to take-down the bolt fast without
release the air pressure.
Check it every 250 hours
1) Prepare an inside hexagon spanner.
2) Parking excavator on a flat ground.
3) Turn the travel reducer make the two
bolt of the outboard in “a” position as
the picture, then stop the machine.
4) Loose the bolt
①
after the oil is cool.
5) After release the air pressure, use
12-15Nm torque to screw up the bolt
①
6) Remove the bolt
②
,check the oil level.
The oil level should be at the bottom of
the bolt hole.
7) Supply the oil if it necessary (as the way
of filling oil)
8) Clean the bolt
②
,install to the reducer
again. The qorque is 12-15Nm.
2. Replace the lube (For each reducer)
Replace it every 1000 hours
1) Park on the level ground.
2) Turn the travel reducer make the bolt
①
in ”b” position (see the picture)
3) Vent the oil when it is hot.
Attention: Don’t scalded by the hot oil
4) Loose the bolt
①
and vent the oil, and
loose the bolt
②
make vent the oil
completely.
