5-28
2. Vent the water and the dirt from hydraulic oil tank
Vent the water and the dirt every 250 hours.
1) Vent the air from the oil tank after the oil
is cold or before starting every day.
2) Loose the oil drain bolt (see the picture)
3) Vent the water and the dirt until see the
limpid hydraulic oil come out. Screw the
drain bolt up.
4) Fill the oil if necessary.
3. Replace the hydraulic oil, clean the oil
tank and replace the oil intake filter element
Replace and clean it every 2000 hours.
Warning: 1) To avoid the scald, only vent the oil it is cool or before
start the machine everyday.
2) Turn it slowly to release the pressure when Take-down the flange cover
of the sprue to avoid the oil spurt out.
3)Not allow water, the dir or soil into the oil tank when it replaces the
hydraulic oil.
Replacement steps of Hydraulic oil:
1) Parking on a flat ground.
2) Press the pressure relief button on the air filter to loose the pressure from
Oil tank.
3) Prepare a container, use a defueling pump or a clean pipe to draw out the
hydraulic oil.
4) Same as the way which vent the water and
the dirt, loose the oil drain bolt which is at
the bottom of the oil tank to drain the oil
completely.
5) Take down the Oil suction filter , remove
the filter element and put the new one on,
adjust the spring seat to make the gap
between the Oil suction filter and the
flange cover bigger then 10mm, tight the
nut, press the boss of the cover into the
spring hole on the top of the lever. Tight the
bolt.
6) The steps of removing Oil return filter and
Oil suction filter (see P5-30) .