Chery A11 2003 User Manual

CAC Gasoline Engine Maintenance And Servicing Manual
34
【9】: Removal and installation of the piston and rod assembly.
Removal:
——Remove the crankshaft to the bottom dead center of the
cylinder. Check and make sure that there is a cylinder mark on the
connecting rod and its cap. or make a mark on each cylinder
before removal.
——Remove the connecting rod bolts and remove the rod cap.
Take the connecting rod bushing out and stick on cylinder marks
and labels on the upper or lower halves.
——Push the connecting rod and piston out of the cylinder with a
hammer wood handle. Take the piston and rod out.
——Remove the piston ring with a special tool or the piece of
feeler gauge. And make labels on each cylinder and upper and
lower halves.
——Press the piston pin out of the piston hole and connecting rod
small end with a press . Then put the piston, piston ring and piston
pin together.
Cleaning and inspection:
——Clean and remove the carbon deposits from the piston, piston
ring and piston pin.
——Clean and remove the carbon deposits from the upper
cylinder bore.
——Measure the diameter of cylinder bore. unit: mm
U
——Grind the cylinder bore with the service gauge and the
figured
twins angle is 50°—60°.
——Measure the diameter of each piston of the carburetor
engine.
Measurement should be taken at the position 10mm to the
bottom
skirt. For 480E piston, measurement should be taken at the
478 cylinder bore 480 cylinder bore
1 77.22—77.23 1 79.94—79.95
2 77.23—77.24 2 79.95—79.96
3 77.24—77.25 3 79.96—79.97
Factory
group
4 77.25—77.26 4 79.97—79.98
A 77.51—77.52 A 80.23—80.24
B 77.52—77.53 B 80.24—80.25
Factory
repair
C 77.53—77.54 C 80.25—80.26
standard 77.245—77.255 standard 79.965—77.975
Increase
0.29
77.525—77.535
oversize
0.29
80.245—80.255
For
mainte
nance
Increase
0.5
77.745—77.755
oversize
0.5
80.466—80.475
Fig.47
Fig.48
Fig.49
Fig.50
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Chery A11 2003 Specifications

General

Brand	Chery
Model	A11 2003
Category	Automobile
Language	English