Chery QQ Service Manual page 22

Chery QQ Service Manual
clearance once again:
Cylinder 1 Cylinder 2
IN EX IN EX
— — —
O
If the clearance exceeds the standard value, adjust it by
replacing the adjustment gasket.
Notice: The position at which the measurement result
exceeds the standard value as well as the measurement
result should be recorded.
4.4.1 Rotate the camshaft and make the cam head of the
cylinder which exceeds the standard value faces upwards
and the opening of the valve tappet face inwards.
4.4.2 Rotate the crankshaft and press down the valve
tappet with the crown head of the cylinder cam.
4.4.3 As indicated in the right figure, put special tools on
and around the valve tappet from the inside of the cylinder
head, and then rotate the crankshaft so that the crown head
of the cam face upwards. Press the valve tappet with
special tools and hold on.
4.4.3.1 Pry out the adjustment gasket with screw driver,
remove the gasket inside with magnet.
4.4.3.2 Adjust the thickness of adjustment gasket with
Cylinder 3 Cylinder 4
IN EX IN EX
—
O O O
Mechanical Part of SQR 472Engine
21