Chery A21 2005 Service Manual page 455

CHERY A520 SERVICE MANUAL
DISASSEMBLY:
(1) Use a puller to pull out the rear output
shaft bearing and the 4th driven gear;
(2) Take out the 3rd-4th driven collar;
(3) Successively take out the 3rd driven
gear,
synchronizer
synchronizer ring, inner synchronizer
ring and 2nd needle roller bearing;
(4) Use a snap ring plier to take out the snap
ring for 1st-2nd synchronizer gear hub
(as shown in Figure 33);
(5) Pull out the 1st-2nd synchronizer
assembly and remove the 1st driven gear
and 1st needle roller bearing;
(6) Pull out the front output shaft inner
bearing from the front end of output
shaft.
NOTICE FOR INSTALLATION:
(1) Clean all the components.
(2) In the same way as for the input shaft,
successively check the following items:
output shaft, needle roller bearing, 1st
driven gear, 2nd driven gear, and
1st-2nd synchronizer gear sleeve and
hub.
(3) Check the outer synchronizer ring, inner
synchronizer ring and synchronizer cone
ring:
① Check whether there is any damage on
the tooth surfaces and conical surface.
② Mount the outer and inner synchronizer
rings and put them into the state of
pressing on the respective gears, and
measure the values of clearance "A". If
the value of A is less than the
corresponding specified limit value, it is
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2nd driven gear,
cone ring,
1st/2nd
out
Gear
21
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QR519 TRANSMISSION
Figure 34
Inner Ring
Cone Ring
Outer Ring
Outer Ring
Inner Ring
Figure 35
Cone
Ring