Chery QQ, Service Manual

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Chery QQ Service Manual
Mechanical Part of SQR 472Engine
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3.4.3 Installation
3.4.3.1 Assembly of valve spring washer and valve oil
seal
3.4.3.1.1 Clamp the special auxiliary tool on the top of
valve stem and spread oil around the auxiliary tool and the
inner of new valve oil seal. Then mount it at the position as
can be seen from the picture and pull out the mounting
auxiliary tool of valve oil seal.
[Reference] After being pressed down, the size of
the oil seal should comply with the value
indicated in the right figure.
3.4.3.2 Assembly of intake valve and exhaust valve
3.4.3.2.1 Assembly of valve spring.
Notice : The painting is used for recognizing the different
suppliers, so the same engine should use the valve spring
with same painting.
3.4.3.3 Assembly of valve keeper
Warning : Operate with goggle for protecting the eyes.
·
Be care for spring jumping out.
After assembly of valve spring and its seat, press the valve
spring with special tool and mount the valve keeper.
3.4.3.4 Assembly of valve tappet and valve clearance
adjustment gasket
3.4.3.5 Mount the cylinder head gasket and recognize
the direction of front and back.
3.4.4 Assembly of dust seal and cylinder head
Auxilary Tool of Valve Spring Assembly
Valve
Valve Oil Seal
Assembly Lower Surface of
Valve Spring
Painting