SECTION 5
5-18
Oil leakage from gaskets and
seals.
Prolonged functioning at high
temperature of the oil.
Replace the gasket or seal and
matching surface if damaged.
Oil gasket assembled incorrectly. Replace.
Damaged or worn gasket lip. Replace.
Contaminated oil. Use correct lubricants and replace at
recommended intervals.
Excessive wear of input flange
spline.
Excessive use. Replace the flange.
Pinion nut loose. Tighten pinion nut.
Excessive pinion axial backlash. Check and adjust the backlash.
Pinion teeth cracked because
of the fatigue.
Excessive use or continuous
overload.
Replace bevel gear.
Break of pinion and ring gear
teeth.
Crash load of differential
components.
Check and/or replace other
differential components.
Side gear spline worn out. Excessive use. Replace differential gear assy.
Replace axle beam, if necessary.
Thrust washer surface worn
out or scratched.
Insufficient lubrication.
Incorrect lubrication.
Contaminated oil.
Use a correct lubricant, top up to
correct level and replace washers.
Inner diameter of tapered roller
bearings worn out.
Excessive use. Replace bearing.
Excessive pinion axial backlash. Check pinion axial backlash.
Insufficient lubrication.
Contaminated oil.
Use proper lubrication, fill up to right
level and replace at recommended
intervals.
Bent or broken axle beam. Vehicle intensively operated or
overloaded.
Replace.
Axle beam broken at wheel
side.
Wheel support loose. Replace.
Axle beam body bent. Ensure that wheel support is not worn
out or wrongly adjusted.
PROBLEM POSSIBLE CAUSE CORRECTION
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