oil GREAT WALL SAFE 2006 User Guide

MT-4Gearbox
Dismantle of Gear Box
3. Tear down the shifting ball of gear change lever
Loose the locking nuts by dextroroting the ball.
4. Tear down the glove box
Dismantle the four bolts of the glove box and put the glove box
into the suitable place.
5. Tear down the dust cover.
6. Tear down the gear change lever.
7. Raise the vehicle to discharge the oil in gearbox.
Warning: the reliability of vehicle shall be verified.
8. Tear down the drive shaft.
(See page PR-5)
9. Tear down the odometer sensor and the plugging
elements of backup switch
10. Tear down the vent pipe.
Tear down the heading exhaust pipe from branch exhaust pipe
Dismantle of gearbox
1. Disconnect the cathode wire from the cathode of storage
cell.
2. Tear down the setting bolts of fan cover.
Tear down 4

MT-8Gear Box
Mount of Gear Box
4WD:
(a) Mount the bracket and supporter of leg washers of rear
engine in 4WD vehicle;(SF)
(b) Mount and tighten the third beam of 4WD vehicle. (SF)
4. Remove the wooden spill.
5. Mount exhaust pipe.
Mount the exhaust pipe on the branch exhaust pipe.
Tightening moment
(62
3)N
m
6. Mount the wheel-brake cylinder of clutch.
Tightening moment
(18
2)N
m
7. Mount odometer sensor and plugging elements of backup
switch.
8. Connect the drive shaft.
(See page PR-12)
9. Add oil into the gearbox.
Lubricating oil grade: GL-5 85W/90
Volume: 2.4L(dry)
Remark: the Tightening moment of oil filling/draining
plug: (30
50)N
m
4WD
4WD

MT-11Gearbox
Disassembly of Gear Box
(c) Dismantle the nuts of the four-gear driven extension fram.
(d) Tap the extension frame lightly with rubber hammer to tear
down the selective gearshift shaft and selective rocker
arm.
8. Tear down front cover.
Dismantle the eight bolts and front cover and axial oil seal.
9. Tear down the input shaft, axial/bearing open ring and
countershaft bearing open ring.
10. Dismantle the gearbox frame from the central link plate,
(a) Put the gearbox straightly as shown in the drawing.
(b) Tap out the gearbox frame out carefully with the rubber
hammer. And
(c) Pull out the gearbox frame out from the central link plate
as the drawing shows
4WD

MT-25Transmission
Output Shaft Assembly(Assembly of Output Shaft Assembly)
Assembly of output shaft assembly
1. Assembly of synchronizer
(a) Insert the synchronizer hub and sliding block into the gear
sleeve.
(b) Install the spring expansion ring under the sliding block.
Note:The openings of spring expansion ring should be
staggered during installation .
2. Install the gear components of 3rd gear and synchronizer
of 3rd and 4th gear on the output shaft.
(a) Smear the gear oil on the shaft and the needle bearing of
3rd gear.
(b) Put the synchronized ring on the components of gear of 3rd
gear, and align the notch of synchronized ring and sliding
block.
(c) Install the needle bearing into gear components of 3rd gear.
(d) Assembly the gear components of 3rd gear and synchro-
nizer of 3rd and 4th gear with pressing machine.
3. Assembly of snap ring for shaft
To choose one snap ring which make the axial clearance be
Min, and install it on the shaft.
3/4 gear posititon
1/2gear posititon
front
front side

MT-26Transmission
Output Shaft Assembly(Assembly of Output Shaft Assembly)
Standard clearance:
For the transmission made by Shang Chi
(0.15
0.33)mm
For the transmission made by Tang Chi:
(0.09
0.33)mm
5. Assembly for the gear components of 2nd and
synchronizer of 1st and 2nd gear
(a) Smear the gear oil on the needle bearing of gear of 2nd
gear.
(b) Put the synchronized ring on the gear,and align the notch
and shift key.
(c) Install the needle bearing into the gear components of 2nd
gear.
(d) Assembly the gear components of 2nd gear and meshing
sleeve of synchronzer of 1st and 2nd gear with pressing
machine.
6. Check the axial clearance of gear components of 2nd
gear
Measure the axial clearance of gear components of 2nd gear
with feeler gauge.
Standard clearance:
For the transmission made by Shang Chi:(0.15
0.33)mm
For the transmission made by Tang Chi:(0.09
0.33)mm
7. Assembly the locking ball and gear components of 1st
gear
(a) Install the locking ball into the shaft.

MT-27Transmissio
Output Shaft Assembly(Assembly of Output Shaft Assembly)
SST
SST
(b) Smear the gear oil on the needle bearing of gear of 1st gear.
(c) Assembly the gear components of 1st gear,synchronized
ring,needle bearing and sleeve of gear of 1st gear.
(d) Install the assembly on the output shaft,and align the notch
of synchronized ring and sliding block .
(e) Turn the sleeve of 1st gear shaft to align the it with the
locking ball.
8. Installation for rear bearing of output shaft
Fix the bearing of output shaft to the output shaft with SST and
pressing machine, make the notch of locking ring of output
shaft rear bearing expose to the tail.
Remark: Hold the sleeve of gear of 1st gear and don
t let it fall
off.
9. Install the gear of 5th gear
Fix the gear of 5th gear with SST and pressing machine.
10. Assembly the snap ring of shaft
(a) To choose one snap ring which make the axial clearance
be Min, and install it on the shaft.
Max clearance
0.1mm

(b) Knock the snap ring of shaft of 5th gear tightly with
screwdriver and hammer.
11. Measure the axial clearance of gear of 1st gear
Measure the axial clearance of gear of 1st gear with feeler
gauge
Standard clearance:

For the transmission made by Shang Chi:(0.15
0.33)mm
For the transmission made by Tang Chi:(0.09
0.33)mm

MT-33Gearbox
Rear Housing Assembly (Element Drawing, Change of Oil Seal, Change of Shaft Bush)
Rear Housing Assembly
Element drawing
Change of Oil Seal
1. The rear housing oil seal shall be changed where necessary.
(a) Dismantle the oil seal with SST.
(b) Press in the new oil seal with SST
2. The driven oil seal of speedometer shall be changed
where necessary
(a) Pry out the oil seal with SST.
(b) Tap the new oil seal into the shaft bracket with SST.
Change of Shaft Bush
The shaft bush shall be changed where necessary
(a) Tear down the oil seal and dust bush.
(b) Heat the ending parts of extension frame to 80
-100
in
the oil groove.
(c) Tear down the shaft bush with SST and mount on the new
shaft bush.
SST
SST
SST
SST
SST
oil reservoirlocating spring bolts and
spring cylindrical pinrear housing oil seal
assemblyrear housing dust
cover
oil groove
component element
of position-limit
mechanismrear housing
cluster

MT-36Gearbox
Bearing Front Cover Assembly (Element Drawing, Change of Oil Seal)
Bearing Front Cover Assembly
element drawing
bearing front cover
assembly
washerfront cover oil seal
assembly
Change of oil seal
The oil seal of the bearing front cover shall be changed where
necessary
(a) Pry out the oil seal with screwdriver
(b) Press in the new oil seal with SST.
Depth of oil seal:
Upper tooth
9.5mm
Tang tooth
(12.4
0.4)mm
SST

MT-39
locking ball
socket spanner
Gearbox
Assembly of Gearbox
7. Mount the steel ball and the five-speed thrust washer.
8. Mount the five-speed gear cluster
(a) Coat the gear oil on the needle bearing.
(b) Mount the five-speed gear cluster.
9. Mount the synchronizing ring and the fifth coupling gear
(a) Mount in the synchronizing ring and the fifth coupling
gear.
(b) Dismantle the old central link plate from the table vice.
(c) Put the gearbox straightly as shown in the drawing.
(d) Flush the groove of synchronizing ring with the sliding
block and mount the fifth coupling gear with pressure
machine.
(e) Mount the new central link plate in the table vice.

TF-2Transfer Box
Notice
Notice
Notice on transfer box disassembly and assembly
Notice shall be taken on the soft handling of the parts (coupling face in particular) during the process of
transfer box disassembly to avoid the collision; each parts shall put down in order so as to avoid of missing
or mistaking.
Notice shall, during assembly process, not only on the aforesaid items, but also on the following items:
1. Wash all parts and fittings before assembly (rubber element and washer excluded).
2. Oil seal, clip for shaft and spring pin of various kinds shall not be reused.
3. Lubricating oil is required to coat on the various friction surface and lubricant on lips of various oil seal.
4. Rolling body is not allowed to use for pressure transmission when mounting various bearings.
5. Lip-type oil seal is not allowed to mount slantwise.
6. The openness on the two sides of spring collar shall not be coupled face-to-face when assembling the
component elements of synchronizer. And
7. No parts is allowed the lubricant leakage and penetration when the transfer box locates at the working
location.