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Chery QQ Service Manual
Mechanical Part of SQR 472Engine
2) Camshaft 1. Structure Diagram
(1) Cylinder head chamber cover assembly (2) Cylinder head cover gasket (3) Camshaft timing belt (4) Camshaft cover !: Components
(5) Blanking cover
which may
not be reused
(6) Camshaft bearing cap
Unit: Nm(kgcm)
(7) Exhaust camshaft assembly (8) Intake camshaft assembly (9) Camshaft oil seal (10) Axial spring retainer ring (11) Saddle washer (12) Intake camshaft sub gear (13) Transmission ring
14
Chery QQ Service Manual
Mechanical Part of SQR 472Engine
2. Disassembly 2.1
Cylinder head chamber cover assembly;
! Disassembly
sequence
of
cylinder
head
chamber cover;
2.2 Remove the camshaft timing gear with special tool.
Notice: The special tool should be made as indicated in the right figure.
Use the special tool to prevent the camshaft from rotating.
II. Function descriptions of each part 1. Compressor The compressor serves to compress the refrigerant that is evaporated as gaseous one in evaporator, so the compressed gaseous refrigerant is fed by force into condensator in which it is changed to liquid form, heat resulted from vaporization of liquid refrigerant can be reused. Compressor used in auto air conditioning can be classified as reciprocating, rotating blade and oblique disk style. This car adopts oblique disk style compressor that is characterized by little vibration and good durability. As the pictures show:
Assembly drawing for the compressor
Inside structure of the compressor 2
Inside structure of the compressor1
Inside structure of the compressor3
2. Electric magnetic clutch In case of engine operating, when starting up air conditioning, the electric magnetic clutch engages, compressor runs. Otherwise, the electric magnetic clutch disengages, 124 Chery Automobile Co.,Ltd