Chery T21 2014 Service Manual page 518

07 - SQR484F ENGINE MECHANICAL
CAUTION
 DO NOT apply seal gum into the bearing shell installation area when applying seal gum.
 Seal gum should not be applied too thick. Avoid seal gum entering bearing shell installation area due to
compressing.
b. Place the crankshaft on the cylinder block carefully.
c. Install the crankshaft main bearing cap fixing bolts in
place by hand, and tighten 10 crankshaft main
bearing cap fixing bolts in the order shown in the
illustration.
(Tightening torque: 1st step: tighten to 45 ± 5 N·m;
2nd step: retighten for 180° ± 10°)
07
d. Evenly tighten 10 crankshaft frame fixing bolts in the
order shown in the illustration. 
(Tightening torque: 20 + 3 N·m)
4. Install the piston ring.
a. The first compression ring is rectangular ring (1), the
second compression ring is conical ring (2), and the
oil ring is steel band combination ring. Apply a small
amount of engine lubricant to the piston ring groove
and piston. Note that the side with words for first
compression ring should face upward and the outer
cutting of second compression ring should face
downward.
b. The oil ring is steel band combination oil ring and
composed of upper rail (3), lower rail (5) and
expander (4). When installing the oil ring, first install
the expander into the oil groove, then install the two
rails with the two rails opening of steel band
combination oil ring staggered by 90° from the
expander closed gap, and the upper and lower rails
180°. Then install the second compression ring, and
install the first compression ring finally with the two
compression rings staggered by 120° from the upper
rail opening. The piston ring should rotate in the ring
groove freely without any stuck condition.
96
07–
2
7 3
8 4 1
7 3 2
8 4 1
Openings of Each Ring：
Lower Rail
Second Compression
First Compression
Ring
Ring
Front
Expander
Upper Rail
Chery Automobile Co., Ltd.
6
10
5 9
RT21071211
10
6
9
5
RT21071220
1
2
3
4
5
Rear
RT21071230