Hyundai HDF 50-7S Service Manual page 83

If oil flows from the hole when you loosen the plug : The oil level is high. Let the oil drain to the
correct level.
Do not fill only through the axle housing bowl.
If the oil level is below the bottom of the hole of the fill/level plug : Fill the axle at each wheel
end and the axle housing bowl to the bottom of the fill plug hole with the specified oil. Wait and
allow the oil to flow through the axle.
Check the oil level again and fill to the specified level if necessary.
Install the fill/level plugs. Apply thread compound and tighten. Refer to the "Torque table".
(5) Oil change
Park the vehicle on a level surface. Block the wheels to prevent the vehicle from moving.
Support the vehicle with safety stands. Do not work under a vehicle supported only by
jacks. Jacks can slip and fall over. Serious personal injury can result.
Make sure the vehicle is on a level surface.
Put large containers under the axle and wheel ends.
Raise the vehicle so that the wheels are off the ground. Support the vehicle with safety stands.
Rotate the wheels so that the "fill/level" plugs in the wheel ends are toward the ground.
Remove the drain plugs from both brake housing and the main housing. Drain and discard the oil
properly. Clean the plug.
Install the drain plugs in both brake housings and the main housing. Apply thread compound and
tighten. Refer to the "torque table".
Rotate the wheels so that the " oil level lines" on the wheel ends are parallel to the ground.
Lower the vehicle.
Clean the area around the fill/level plug.
Remove the fill/level plug from the wheel ends and the axle housing bowl.
Do not fill only through the axle housing bowl.
Fill the axle at each each wheel end and the axle housing bowl to the bottom of the fill plugs hole
with the specified oil. Wait and allow the oil to flow through the axle. Check the oil level again
and fill to the specified level of necessary.
Install the fill/level plugs. Apply thread compound and tighten. Refer to the "torque table".
Oil change intervals and specifications
(6)
Off-highway operation intervals*
Recommended Check
initial oil change oil level
100 operating 250 operating
hours hours*
The checking interval depends on individual operating conditions, speeds and loads, severe
*
operating conditions may require more frequent checks.
https://www.forkliftpdfmanuals.com/
Petroleum Synthetic
oil change oil change
1,500 operating
hours or twice a
year(whichever
comes first)
3-35
Oil specification
Mobile fluid424
-
Transmission
MP
Remarks
Initial use or
refill
OK to use only
for refill