Chery QQ6 (S21) / S12LHD. Manual — part 76
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Chapter Two Decomposition of QR513 Transmission
I. Decomposition Process for QR513 Transmission
1. Bleeding lubricant in transmission
First, drive the vehicle onto a maintenance platform or hoist the vehicle and keep it on a horizontal
plane, screw off the bleeding plug as shown by the arrowhead, and then use a clean container to
accommodate lubricant of the transmission to completely bleed the lubricant in the transmission.
Figure 1
2. Disassembly of external parts of transmission
Switch the transmission to NEUTRAL position; use an appropriate tool to remove the locating seat of
the fork shaft as shown in Figure 2; Connecting bolts for gearshift housing and transmission housing and the
screws for backup lamp switch and idler shaft.
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Screws for idle gear shaft
Bolts-for gearshift housing and Backup lamp switch assembly
Transmission housing (5)
Figure 2
3. Separation of gear shift mechanism and transmission
Remove the gearshift mechanism assembly from the place as shown in Figure 3; as a result of sealant,
the disassembly process may be difficult, so, use such tools as a hand hammer etc. to knock on the bulge at
flank of housing of the gearshift mechanism, and then take out the whole gearshift mechanism assembly
until the two housings completely separate; remember to be slow when taking out the gearshift mechanism
assembly, so as to prevent the return spring as shown in the figure from dropping out inside the transmission;
during disassembly, be careful not to damage the junction planes of the two housings, so as to avoid oil leak
after re-assembly.
Gearshift mechanism assembly
Locating seat of fork shaft
for all gears (3)
Assembly of locating
seat of fork shaft
Return spring (remember to prevent
it from dropping out)
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Figure 3
4. Disassembly of the connecting bolts for clutch and transmission housings
Use a tool to remove the connecting bolts for transmission and clutch housings as shown in Figure 4.
Remember to remove the bolts both inside and outside the clutch housing when disassembling, and a sleeve
with long connecting rod is required when removing the bolts inside the clutch.
Connecting bolts for transmission and clutch housings
Figure 4
5. Separation of transmission and clutch housings
After the bolts for transmission and clutch housings are removed, separate clutch housing and
transmission housing (Figure 5). as a result of sealant, the separation process may be difficult, so, use such
tools as a hand hammer etc. to knock on the bulge at flank of housing of the transmission, and then take out
the whole transmission housing until the two housings completely separate; during disassembly, be careful
not to damage the junction planes of the two housings, so as to avoid oil leak of the transmission after
re-assembly.
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Transmission housing
Clutch housing
Figure 5
6. Separation of interior transmission parts and fork module from the housing
After transmission housing and clutch housing are separated, keep the clutch housing flat at the place as
shown in Figure 6, remove the bolts for bracket of reverse gear rocker arm, take out the reverse gear rocker
arm assembly and the pin on idler drive, and then take out input shaft, output shaft and fork mechanism
together (when taking out, gently shake, meanwhile, press the driven gear of main decelerator along the
direction of arrowhead as shown in the figure to take out the assembly of input shaft, output shaft and idler
as well as fork mechanism); when taking out, remember to avoid interference between bearing retainer of
output shaft and big gear ring of differential and prevent the bearing retainer from damage.
Bolts for reverse gear rocker arm bracket (2 in total)
Reverse gear rocker arm
Reverse gear idler assembly
Figure 6
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