Chery A11 2003 User Manual

CAC Gasoline Engine Maintenance And Servicing Manual
42
—the size of crankshaft thrust, thrust washer and cylinder block
thrust： unit：mm
Installation：
——Before installation, use the second screw tap taps the threaded
hole in cylinder body, especially the threaded hole of cylinder head
bolt and main bearing bolt.
The threads of cylinder head bolt is M10×1.5—6H，the threaded
hole of main bearing bolt is M12×1.75—6H。
——The installation of crankshaft woodruff key
Drive the semicircular key into key groove lightly. The
magnitude of interference for key and key groove is 0.00—0.051mm。
After the semicircular key is installed, check the protrusion height.
It should be 1.392—1.739mm.
——Crankshaft thrust washers are two pieces. They are only installed
on the front and back thrust surface of cylinder block.
Before installation, apply the engine oil on the surface with oil
groove of thrust washer. position the surface with oil groove towards
the cylinder body and the surface with oil groove towards crankshaft.
——During installing crankshaft, engine oil should be applied main
journal, connecting rod journal, thrust surface and bearing half.
——The character like 1,2,3,4,5 are casted on the top of main bearing
cap and also an arrow. During assembling, install them from the front
according to the sequence. At the same time, have the arrow pointing
to the front end surface of cylinder block. The width of main bearing
cap 1,2,4,5 is same, but the width of main bearing cap 3 is larger than
others.
The main bearing cap is retained by rabbet. It is press fit between
rabbet and cylinder body. The press fit clearance is
0.025—0.145mm. After installation, the surface of the first and the
fifth main bearing caps should be even or lower than the front and
back end surface of cylinder body.
level
The size of
cylinder body
thrust
The size of
crankshaft thrust
The thickness of
thrust washer
standard 24±0.03 28.825—28.875 2.326±0.025
oversize
0.38
24±0.03 29.205—29.255 2.516±0.025
Two thrust pieces
Fig. 68
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Chery A11 2003 Specifications

General

Brand	Chery
Model	A11 2003
Category	Automobile
Language	English