Chery QQ6 (S21) / S12LHD. Manual — part 193
16
Figure 14
13. Disassembly of release mechanism of clutch
As shown in Figure 15, take off release bearing of the clutch first, remove the bolts for release fork, and
then draw the release shaft assembly off the clutch housing (during the drawing off process, be sure to
prevent the release return spring from ejection); also, remove the bush and dismount release mechanism of
the clutch from the clutch housing.
Release bearing of clutch
Bolts for release fork
Release fork Release arm
Bush Release return spring
17
Figure 15
Be sure to use special tool and be careful to remove the oil seal on the clutch housing, because
excessive deformation or damage of the oil seal may result in oil leak of the transmission. Use a special tool
to remove the two oil seals on the clutch housing, and then remove the remaining bushes, oil ducts and outer
rings of bearings as shown in Figure 16. Replacing with new oil seals after the former ones are removed is
recommended.
Oil seal
Fork shaft bearing (3)
Outer ring of bearing
Oil duct
Figure 16
14. Disassembly of transmission housing
As shown in Figure 17, use a special tool to remove the oil seal of transmission housing, and then
remove oil drain channel, fork shaft bush and linear bearing.
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Linear bearing
Fork shaft bush
Oil seal Oil drain channel
Figure 17
Chapter Three Assembly and Regulation of QR513 Transmission
I. Assembly of QR513 Transmission
After disassembly, visually inspect parts for any abnormal condition such as deformation etc, and make
records; Replace the damaged parts, clean and wash all parts, then reassemble.
1. Assembly of differential assembly
Fit adjustment gaskets respectively at backsides of the two half axle gears, and then install the two half
axle gears together with their gaskets into the differential. When fitting adjustment gaskets for the half axle
gears, select the gasket with thickness as 1.2mm first. Fit spherical washers for the planetary gear, and then
simultaneously engage the two planetary gears with the two half axle gears (fit them to correct positions
while turning the gears). Insert the planetary gear shaft; note that the fixing pin hole on the shaft should align
correctly with that on the differential housing both in the position and along the direction. Measure the
clearance between the half axle gear and the planetary gear, and the normalized value should be
0.025~0.150mm; if the clearance does not conform to the normalized value, replace the adjustment gaskets
for the half axle gear, and then re-measure the clearance until it conforms to the standard with uniform
clearance at both sides. Drive down the fixing pin of planetary gear shaft from the fixing pin hole at the side
of differential housing with flange with the pin with end surface of the pin hole. Install driven gear of main
decelerator and ensure that the installation end surface of the gear fits well with the end surface of the
differential housing, and then fix the driven gear of main decelerator with bolts (apply sealant to full thread
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of the bolt before installation); screw the bolts home with the torque as 130±5Nm cornerwise and alternately;
respectively press in an inner ring of front and rear bearings from each of both ends of the differential
housing and check if it has been pressed to the designated position. Note that the lubricant applied onto
adjustment gaskets for half axle gears, planetary gear gaskets, junction surface of planetary gear and
planetary gear shaft, junction surface of half axle gear and differential housing should be the same as that
used inside the transmission. Refer to Figure 18.
Planetary gear (2) Planetary gear shaft Connecting bolt (8)
Half axle gear (2)
Figure 18
2. Assembly of clutch housing
Use a hammer and a special tool to fit oil seal of input shaft with spring side of the oil seal up and
grease applied to lip of the oil seal. Use a special tool and a hamper to fit right side oil seal of differential
with end surface of the oil seal flush with the housing surface, and then apply grease to lip of the oil seal. See
Figure 19.
Inner ring of
bearing (2)
Adjustment gasket
for planetary gear
(2 sheets)
Fixing pin of planetary
gear shaft
Adjustment gasket for half
axle gear (2 sheets)
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