Engine JAC HFC4DA1-2C. Manual — part 156
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-147-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation (Continued)
(Continued)
(Continued)
(Continued)
Rear
Rear
Rear
Rear axle
axle
axle
axle
5.
Remove bearing from driving gear.
6.
Remove oil seal from bearing support.
7.
Remove inner and outer rings of bearing.
Inspection during removal
�
Check driving gear flange for wear or damage.
�
Check bearing for wear or color change.
�
Check gear for crack.
�
Check driving and driven gears for wear or
crack.
�
Check differential gear, planetary gear and
planetary gear shaft for wear or crack.
�
Check differential gear spline for wear or
damage.
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-148-
Specification
Specification
Specification
Specification
1.
Structure type of rear axle
Item
Specification
Axle housing type
Integral press-welding axle housing
Axle shaft support type
Full-floating type
Reduction gear type
Single-stage hyperboloid spiral bevel gear
Planetary gear type
2/4 planetary gear
2.
Sealant and adhesive for rear axle
Item
Specified Sealant and Adhesive
Fitting surface between rear axle housing assembly and final drive
assembly
1587 Silicon rubber
Driven gear bolt
GY-340 Anaerobic adhesive
Differential housing bolt
GY-340 Anaerobic adhesive
Final drive housing bolt
Machinery sealant 605
Internal cavity of hub
Multi-purpose lithium base grease
Parts installation of final drive assembly
10# Engine oil
3.
Rear axle wear parts list
Name
Qty.
Driving gear oil seal
1
Rear hub inner oil seal
2
Rear hub inner bearing
2
Rear hub outer bearing
2
Driving gear inner bearing
1
Driving gear outer bearing
1
Axle shaft oil seal
2
Driving gear nut
1
Differential bearing
2
Left/right friction
Respectively 2 pieces for left and right
4.
Rear axle maintenance parameter list
Item
Value
Clearance between driving and driven gears
0.15~0.20
Clearance between planetary gear and differential gear
0~0.15 mm
Rotating torque of driving gear
Without oil seal; apply gear oil 18~21Kgf.cm
Rear axle gear oil
Hyperbolic gear oil: (GL-5) 85W/90; capacity: 2.5L
Oil applied onto outer lips and lips of axle shaft oil seal and driving
gear oil seal
ZL-2 GB5671-85, multi-purpose lithium base grease
Clearance between brake lining and brake drum
0.4~0.7 mm
5.
Main tightening torque list
Bolt (nut) name
R101(N.m)
Driving gear nut
245~294
Bolt - driven gear
114.6~140.1
Differential housing bolt
68.6~88.2
Final drive housing bolt
65~93
Bearing cap bolt
132.3~171.5
Rear brake bottom plate nut
50~60
Axle shaft bolt
46-80
Small hexagon bolt for lock washer
6~12
Oil filler plug
44.1~53.9
Drain plug
44.1~53.9
RAX
RAX
RAX
RAX Rear
Rear
Rear
Rear Axle
Axle
Axle
Axle
-149-
Specification
Specification
Specification
Specification
Item
Wear limit
Wear of rear axle leaf spring retainer location hole
1mm
Outer bearing journal radial runout of left/right axle shaft sleeve
0.1mm
Middle unprocessed surface of axle shaft
Radial runout
1.5mm
End face runout of joint surface between hub and axle shaft flange
0.15mm
PS
PS
PS
PS PowerSteering
PowerSteering
PowerSteering
PowerSteering System
System
System
System
- 151 -
Steering
Steering
Steering
Steering System
System
System
System
Applied models: SUNRAY products manufactured by JAC
Subject
Page
Instruction
Instruction
Instruction
Instruction and
and
and
and Operation
Operation
Operation
Operation
Steering System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Explosive View of Steering System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Introduction of Steering System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Diagnosis
Diagnosis
Diagnosis
Diagnosis and
and
and
and Testing
Testing
Testing
Testing
Steering System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Operating Principle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Inspection and confirmation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... 156
Fault Symptom Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..159
Removal
Removal
Removal
Removal and
and
and
and Installation
Installation
Installation
Installation
Removal and Installation of Steering System. . . . . . . . . . . . . . . . . . . . . . . . . . 164
Removal and Installation of steering wheel. . . . . . . . . . . . . . . . . . . . . . . . . . ... 167
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