Hyundai 250D-9 Manual page 184

20) 20) CHANGE THE HYDRAULIC OIL CHANGE THE HYDRAULIC OIL
(1) Lower the forks on the ground and extend the tilt
cylinder to the maximum.
Loosen the cap and relieve the pressure in the
(2)
tank.
(3) Prepare a suitable drain pan.
(4) To drain the oil loosen the drain plug.
After draining oil, tighten the drain plug.
(5)
(6) Fill proper amount of recommended oil.
Start engine and run continually. Release the air
(7)
by full stroke of control lever.
※
The oil must be free of bubbles. If bubbles The oil must be free of bubbles. If bubbles
are present in the oil, air is entering the are present in the oil, air is entering the
hydraulic system. Inspect the suction hoses hydraulic system. Inspect the suction hoses
and hose clamps for leakage or damage. and hose clamps for leakage or damage.
21) 21) SUCTION FILTER AND REPLACING RETURN SUCTION FILTER AND REPLACING RETURN
FILTER FILTER
Clean suction filter and replace the return filter in
the following manner.
(1) Remove the flange by loosening the mounting
bolt.
(2) Remove suction filter and return filter from the
tank.
(3) Replace the return filter element with new one.
Cleaning the suction filter.
(4)
(5) Install the cover on the tank.
·Tightening torque : 6.9±1.4 kgf·m
(50±10 lbf·ft)
7-36
Air breather
Drain plug
Drain pan
Return filter
Suction filter
Drain plug
250D9MA19
250D9MA20