Great Wall service chassis and body Manual — part 43
SA-68
10. Tear down the inner race of bearing 31306 with SST;
If the bearing is damaged, change with a new bearing.
11. Tear down the cap-differential bearing.
12. Take out the differential.
13. Take down the outer race of bearing 50KB801 and mark
clearly the left and right parts to avoid of confusion during
reassembling.
9.
Tear down the driving bevel gear oil seal and the oil-
guard tray:
(a)
Tear down the oil seal from the driving bevel gear with
SST.
(b)
Take out the oil-guard tray.
right
left
left
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
14. Tear down the adjusting gaskets and clearly mark the left
and right to avoid of confusion during re-assembling.
right
SA-69
15. Tear down the driving bevel gear.
Inspection on and Change of Front Speed
Reducer
1.
Change the bearing 32307 on driving bevel gear
(a)
Press out the inner race and roller assembly of bearing
32307 with the special service tool.
(b)
Press in the new inner race and roller assembly of bearing
32307 with SST.
2.
Change the outer race of bearing 32307:
(a)
Tap down the outer race of bearing 32307 with the copper
bar and hammer.
(b)
Press in the new outer race of bearing 32307 with the
SST.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
.
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-71
(b)
Tear down the planetary gear shaft to take out the planetary
gear, planetary gear stop gasket, half-axle gear and the
half axle gear thrust gasket
7.
Differential assembly mount
(a)
Clean the differential housing.
(b)
Encase the half-axle thrust gasket in the differential
housing after covering on the half-shaft gear.
(c)
Run the half-axle gear to encase the planetary gear and
planetary gear stop gasket, and put on the planetary gear
shaft.
Remark: The half-axle gear and the planetary gear should run
freely without stagnant.
(d)
Measure the clearance between the half axle gear thrust
gasket and differential housing.
Push the planetary gear to the inside and then measure
the clearance between half-axle gear thrust gasket and
the differential housing with the dial-indicating lamp.
Suitable clearance range: (0.4-0.75)mm
Remark:If the clearance fails to fall within the above-
mentioned range, change the half-axle gear thrust gasket,
and ensure that the thrust gaskets on the both sides are
same thick.
(e)
Tap the pin in the pinhole of differential housing and the
planetary gear shaft with SST, and rivet the hole port so
as to prevent the pin from missing.
Suspension System Automobile Axle (SF/4WD)
Front Speed Reducer (Disassembly and Assembly of Front Speed Reducer)
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