Great Wall service chassis and body Manual — part 46

SA-80

Dismantle of Rear half Axle Shaft

1.

Tear down the wheels.

2.

Tear down the rear brake drum.

3.

Tear down the grab end of the bracing wire of hand brake

from the rear brake.

4.

Tear down the half-shaft and the rear brake assembly

from the rear axle housing.

5.

Tear down the flat steel retainer ring for shaft from the

half-shaft;

Tear down the flat steel retainer ring for shaft with the ring

calipers.

6.

Tear down the half-shaft:

Put down a wooden plate on the flat ground, and thrust the end

of spline of half-shaft and rear brake assembly toward the

wooden plate to separate the shaft and the rear brake assembly.

Inspection on and repairing of half-shaft parts

1.

Check the wear, damage and swing difference half-shaft

and the flange.

Max shaft run-out: 2 mm

Max flange run-out: 0.2 mm

In case the half-shaft is damaged, or wearied or the measuring

value of the swing difference is excessive, change the half-

shaft.

2.

Check he oil seal of rear wheel bearing:

Check to see whether there is wear or damage, and change the

oil seal if necessary.

3.

The disassembly of the outer oil seal of rear wheel

bearing;

Tear down the outer oil seal of rear wheel bearing with SST.

Suspension System and Automobile Axle (rear)

Rear Half Axle Shaft

SA-81

4.

Check the grooved ball bearing

Check the grooved bearing to see whether there is damage or

wear.

5.

Change the bearing where necessary:

(a)

Press out the grooved ball bearing with SST.

(b)

Press in the new grooved ball bearing with SST.

6.

Mount the new oil seal of rear wheel bearing.

Press in the new oil seal of rear wheel bearing with SST

Coat moderate lithium base grease on the lip open of oil seal.

7.

Check the bearing seat.

Check the wear or damage situation.

8.

Change the bearing seat where necessary:

(a)

Tear down the oil seal of rear wheel bearing and the

grooved ball bearing with SST.

(b)

Tap the bolts with copper bar to tear down the bearing seat.

(c)

Mount the new grooved ball bearing and the oil seal of

rear wheel bearing on the bearing seat

(d)

Press the rear brake, which is put on with bolts, in the

bearing seat.

9.

Check the wear or damage of the inner oil seal of the rear

wheel bearing.

10. Change the rear wheel bearing where necessary:

(a)

Tear down the oil seal of rear wheel bearing with SST.

Suspension System and Automobile Axle (rear)

Rear half Axle Shaft

SA-82

11. Mount the new inner oil seal of rear wheel bearing.

Coat the hyperbolic gear oil on the axle housing where matches

with the oil seal; and plaster the moderate lithium base grease

on the lip open of the oil seal, then put them on the pressure

head and press them in.

Mount of Rear Axle Shaft

1.

Press the rear brake and the bearing seat assembly on

the haft shaft.

2.

Press the heated inner oil seal seat of rear wheel bearing

on he half shaft;

Notice: the face at the chamfering end of inner oil seal of

rear bearing should contact the oil seal closely, do not

mount it at the incorrect position.

Requirement for heat mount: heat the inner oil seal seat into the

22# oil (GB443-1989) to 100

, after the part is heated

completely, take it out for mount.

3.

Mount on the flat steel retaining ring with the ring calipers.

4.

Encase the half-shaft rear brake in the axle housing,

screw on the self-locking nut.

Tightening moment

(63-79)Nm

Notice: protect the oil seal lip open, bracing wire assembly

and the oil-guard sleeve.

5.

Mount on the hand brake wire and the brake pipe.

6.

Mount on the liner and rear brake drum;

7.

Make a trial gas exhaust on the braking system, and

8.

Mount on the rear wheels.

Suspension System and Automobile Axle (rear)

Rear Half Axle Shaft

SA-83

Rear speed reducer

Element figure

column bolt

bearing7306E

oil-guard tray

oil seal

flange and dust
cover assembly

flat washer

adjusting ring

bearing 200719E

speed reducer housing and
differential bearing cover

stop gasket

80-110

18-26

washer

adjusting washer

driving bevel gear

Bearing 7607E

jacket

adjusting washer

65-95

=

lock plate

differential housing

axle driven

bevel gear

Parts that cannot be reused after being used

:specified torque

N

M

Suspension System and Automobile Axle (Rear)

Rear Speed Reducer

double-eared stop washer