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4. When replacing transmission oil, it is necessary to replace the fine filter of the gearbox
as well.
5. Remove the transmission oil pan. Clean the filter screen with compressed air or diesel
fuel.
6. Install transmission oil pan, drain plug and corresponding sealing elements.
7. Refuel the clean transmission oil from the oil filling pipe of the gearbox, and inspect
the oil level of gearbox according to the above method, and fill to the regulated oil
level.
8. Before replacing transmission oil, cover the parking brake well to prevent the friction
plate of parking brake from oil and reduce the brake performance.
5.11 MAINTENANCE OF DRIVE AXLE OIL
5.11.1 INSPECT OIL LEVEL OF DRIVE AXLE
Inspect the oil level of the drive axle according to the regulated cycle.
Too high or too low oil level of drive axle will result in damages to drive axle, and keep the
oil level of the drive axle in the correct position.
Drive axle fueling and oil level judging criteria:
Fill oil from the filling port of the left and right wheels, and take the oil overflowing out with
the
middle
oil
piston
of
the
axle
off
as
the
oil
fully
filled.
Inspection procedures:
1. Drive the machine to a flat and open ground, slowly move the machine with low oil
charging, keep the oil level mark of the front drive axle wheel-side to be located at the
level position.
2. As the oil level meter lines of front and rear drive axle cannot simultaneously locate in
a horizontal position, so the oil level of front and rear drive axle should be inspected
twice.
3. Pull up the parking brake handle for braking. Place the speed changing handle in
neutral gear position, and put on a fixed pole frame to prevent the car moving and
rotating.
4. Let the engine run 10 at idle speed.
5. Remove the oil outlet screw piston, the oil level inside the drive axle should be located
at the lower edge of the oil outlet port. If the oil level is below the lower edge of the oil
outlet port, it requests to add clean drive axle oil. Observe 10 minutes after fueling to
confirm the oil level is stable or not.
6. Screw on the oil outlet piston.