Engine JAC HFC4DA1-2C. Service manual — part 155
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-143-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation (Continued)
(Continued)
(Continued)
(Continued)
Rear
Rear
Rear
Rear axle
axle
axle
axle
Disassembly of axle housing and final drive
1)
Drain gear oil from final drive.
2)
Disconnect the connection between propeller
shaft and final drive.
3)
Remove final drive assembly by using jack.
4)
Remove hose, steel tube and electric wiring
harness.
5)
Remove brake assembly.
6)
Remove rear axle.
�
Jack up the axle housing.
�
Remove U-bolt and upper/lower back plates,
lower the jack and pull out the axle housing.
Disassembly of final drive assembly
1.
Before assembly, measure and record backlash of
driving/driven gear.
Attention:
Attention:
Attention:
Attention:
After adjustment, check gear meshing status.
2.
Make assembly marks on bearing cap and housing.
The removed bearing cap and final drive housing
should be placed separately at left and right side in
pair, in order to avoid confusion.
3.
Remove bearing cap and bolt.
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-144-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation (Continued)
(Continued)
(Continued)
(Continued)
Rear
Rear
Rear
Rear axle
axle
axle
axle
4.
Remove differential assembly.
5.
Remove driving gear assembly by using puller and
remove adjusting washer at the same time.
Disassembly of differential assembly
1.
Remove differential right housing.
2.
Remove differential gear and bearing washer.
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-145-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation (Continued)
(Continued)
(Continued)
(Continued)
Rear
Rear
Rear
Rear axle
axle
axle
axle
3.
Measure and record planetary gear backlash.
Attention:
Attention:
Attention:
Attention:
Please hold the planetary gear spider during
backlash measurement.
4.
Remove planetary gear spider assembly and
remove planetary gear and bearing washer from
spider.
5.
Take out the differential gear and its thrust washer.
6.
Remove driven gear
7.
Remove
differential
bearing
from
differential
housing.
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-146-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation (Continued)
(Continued)
(Continued)
(Continued)
Rear
Rear
Rear
Rear axle
axle
axle
axle
Removal of driving gear
1.
Remove driving gear flange nut.
2.
Remove retaining ring for shaft and remove driving
gear guide bearing.
3.
Extrude the driving gear out of bearing support.
4.
Remove adjusting washer and bearing spacer.
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