lock GREAT WALL SAFE 2006 Repair Manual

SA-59
12. Rivet the main-tooth nut.
10. Mount the flange and dust cover:
(a) Encase the flange and dust cover in the front speed
reducer shell through the clinch of oil seal.
(b) Lock the flange with the special service tool and screw up
the nuts according to the specified torque.
Fastening torque
(140-210)N
m
11. Adjust the preload of driving bevel gear bearing
Measure the play preload between the driving bevel gear and
the driven bevel gear with the torque tester.
Preload:(1.8-2.4)N
m
Remark: if the requirement is not satisfied, change the
adjusting washer between the adjusting washer jackets and
bearing 32307, see the disassembly and assembly for front
speed reducer, until the requirement is satisfied.
(a) If the preload is larger than the specified value, change
with a thicker adjusting washer;
(b) If the preload is smaller than the specified value,
change with a thinner adjusting washer.
9. Mount the new driving bevel gear oil seal:
(a) Encase the oil-guard tray.
(b) Press the new oil seal in the speed reducer shell with the
special service tool; the mounted oil seal should be 1.5
mm away from the end face of the housing.
Notice: Coat the lithium base grease evenly on the lips of
oil seal.


Suspension System and Automobile Axle (SF/4WD)
Front Speed Reducer (Change of Driving Bevel Gear Oil Seal of Front Speed Reducer)

SA-64
5. Mount on the upper front drive axle shaft sleeve,
Coat the bolt thread with thread locking agent.
Fastening torque
88N
m 4. Mount on the new oil seal-front half-shaft:
Press in the new oil seal with the special service tool until it
flush with the outer ending of the oil seal, coat moderate
lubricant on the lips of the oil seal.
6. Mount on the front long semi-axis and the front minor
half-shaft.
(a) Mount the new snapping ring on the half-shaft.
(b) Mount on the long semi-axis and the minor half-shaft
with the special service tool.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Change of Axle Shaft Oil Seal)

SA-65
Disassembly and Assembly of Front Speed Reducer
Element figure
front minor half-shaft

snapping ringbearing 31306 front speed
reducer shell
oil-guard trayflange and dust cover
driving bevel gear oil seal
jacketoil seal-front half-shaft

Parts that cannot be reused after being used

s pecified torqueN
M
140-210 bearing 32307
driving bevel gear oil seal
speed reducer coveradjusting washer
bearing 50KB801
47
cap-differential
bearing
78

lock plate adjusting washer
half axle gear thrust
gasket
planetary gear shaft
half-axle gearplanetary gear stop gasket
planetary gearaxle driven bevel gear front differential housing
adjusting gasket
pin
70-90 retainer ring
front long semi-axisbearing B36Z-10







oil seal-front half-shaft
adjusting washer
snapping ring
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)

SA-67
6. Check the teeth-clearance of the driving bevel gear and
the axle driven bevel gear:
(a) Install the dial-indicating lamp and ensure the axial line
of measuring head is vertical with the contact teeth face.
(b) Run the flanges, and record the clearance values of
driving bevel gear and the axle driven bevel gear.
Specified clearance range
(0.15-0.25)mm
Remark: the inspection should be conducted at no less than
three equally divided spots on the circumference of the axle
driven bevel gear.
7. Check the engagement trace of the axle driven bevel
gear.
(See page SA-76)
8. Tear down the flange and dust cover:
(a) Loosen the riveted position of main-tooth nut with the
hammer and chisel.
(b) Lock the main-tooth flange with SST to tear down the
main-tooth nut.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
(c) Tap down the driving bevel gear flange and dust cover
with copper bar.

SA-70
4. Tear down the inner race and roller assembly of the two
bearings 50KB801 from the differential housing.
Tear down the inner race and roller assembly of bearing
50KB801 with SST.
5. Tear down the axle driven bevel gear:
Tear down the bolts and lock plate by tapping lightly the axle
driven bevel gear with the copper until tear them down. 3. Change the outer race of bearing 31306:
(a) Tap down the outer race of bearing 31306 with copper bar
and hammer.
(b) Press in the new outer race of bearing 31306 with SST.
Remark: the inner race of the bearing should be changed with
the outer race together.
6. Differential disassembly
(a) Tap out the pin with SST.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)

SA-72
(f) Clean the differential housing surface, mount the axle
driven bevel gear on the differential housing with copper
bar.
Notice: align the assembly marks made when
disassembling when mounting the axle driven bevel
gear, and tap in the driven bevel gear evenly alongside
the direction of circumference.
(g) Mount on the lock plate and screw on the bolts, then lock
the lock plate with the drift pinch and hammer.
Fastening torque
(70-90)N
m
Notice: the bolts should be screwed up in the diagonal
order in such manner that tighten a little at first, and then
screw up evenly to the specified torque, the lock plate
claw should contact closely the side face of bolt head.
(h) Press the inner race and roller assembly of bearing
50KB801 in the bearing position at the both sides of
differential housing.
(i) Put the adjusting gasket in the outer position of the side
bearing of front speed reducer shell.
(j) Encase another adjusting gasket with the outer race of
bearing 50KB801 in the front speed reducer shell to-
gether with the differential.
Suspension System and Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
(k) Mount on the right and left cap-differential bearing, and
screw up the bolts with spanner according to the specified
torque.
Fastening torque
78N
m

SA-78
18. Mount on the front drive axle shaft sleeve;
Notice: Thread locking agent should be coated on the
bolt thread.
Fastening torque
88N
m
19. Mount on the front long semi-axis and the front minor
half-shaft.
(a) Mount the new snapping ring on half-shaft.
(b) Mont on the front semi-axis and the front minor half-
shaft.
20. Mount the front speed reducer shell assembly:
(a) Clear the front speed reducer shell and the contact face of
front speed reducer shell;
(b) Coat the glue line with diameter of 2-3 mm, and the glue
line should be even and without fracture.
Remark: The front speed reducer shell should be mounted
ready within 15 min after coating the glue.
(c) The bolts, before screwed up, should be coated with
thread locking sealing agent and screwed up to the
specified torque.
Fastening torque
47N
m
Suspension System and Automobile Axle (SF/4WD)
Front Speed Reducer (Assembly of Front Speed Reducer)

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)N
m
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 200719Espeed reducer housing and
differential bearing coverstop gasket80-110
18-26

washer
adjusting washer
driving bevel gear
Bearing 7607E jacketadjusting 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

SA-86
4. Tear down the differential and the axle driven bevel gear:
(a) Mark the assembly marks on the differential bearing
cover and the speed reducer housing.
(b) Tear down the stop gasket and take down the adjusting
ring.
(c) Loosen the double-stop washer and screw off the nut to
take down the differential bearing cover.
(d) Tear down the differential and axle driven bevel gear
from the rear speed reducer.
(e) Tear down the outer race of bearing 200719E.
5. Tear down the flange and dust cover assembly:
(a) Loosen the riveted part of the nut with hammer and
chisel;
(b) Lock the flange with SST to tear down the nuts.
Notice: those nuts should not be reuse.


leftright
(c) Tear down the flange and dust cover assembly with
copper bar.
Suspension System and Automobile Axle (Rear)
(Dismantle of Rear Speed Reducer)
Remark: mark the label on the parts to clarify the position for
re-assembling