Operation Description
51
2.19.3 Rear Axle Faults Troubleshooting
Table 2-6 Rear Axle Faults and Troubleshooting
Fault
Causes
Solutions
Increased noise in the
central drive
(1) The bearing play of the small conical gear
is too large
(2) Gear engagement is abnormal
(3) The bearing of the conical gear pair or the
gear pair is damaged
(4) The differential shaft is worn or locked
(5) The planetary gear or gasket is worn
(6) The differential bearing is worn
or damaged
(1) Adjust according
to requirements
(2) Readjust according
to requirements
(3) Replace the bearing or the gear
(4) Replace the differential
gear shaft
(5) Replace the planetary gear
or gasket
(6) Replace the
differential bearing
Small conical gear and
the differential bearing
overheat
(1) The pre-load force is too high
(2) Oil level is low - poor lubrication
(3) Backlash at gear pair side of conical gear
is too small
(1) Readjust the pre-load force of
the bearing
(2) Check the lubricating oil level
and add if necessary
(3) Readjust the gear backlash
Abnormal noises from
the final drive
(1) The bearing, gear or shaft is damaged
(1) Replace the bearing, gear
or shaft
Differential lock handle
does not return
(1) Failure of the differential lock
return spring
(2) Differential lock push rod stuck
(1) Replace
(2) Dismantle, clean or de-burr
2.19.4 Brake Faults Troubleshooting
Table 2-7 Brake Faults and Troubleshooting
Fault
Causes
Solutions
No brakes
(1) The free play of the brake pedal is
too large
(2) The brake shoes are severely worn
or warped
(3) The engagement of the brake pedal
is misadjusted
(4) Oil on the brake shoes
(5) Brake shoes are worn
(1) Readjust the free play of the
brake pedal
(2) Replace the brake shoes
(3) Adjust the engagement of the
brake pedal according to
the specifications
(4) Check or replace brake
cylinder oil seal
(5) Replace brake shoes
Brakes get hot
(1) The brake shoes do not return
(2) The brake shoes do not completely
disengage from the brake drums
(1) Replace the return spring
(2) Make adjustments according
to requirements
The tractor pulls in one
direction when braking
(1) The free play of the left and right brake
pedals are not the same
(2) The brake shoes on one side are damaged
(1) Adjust
(2) Replace the brake shoes
(3) Check and inflate the tires
