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