Chery QQ - Cylinder Head; Structure Diagram

Chery QQ Service Manual Mechanical Part of SQR 472Engine
22
micrometer caliper.
4.4.3.3 Select the gasket on the basis of the standard
value of valve tappet
① Intake valve
Select gasket thickness = Unload thickness +
(Measured valve clearance -0.25mm)
② Exhaust valve
Select gasket thickness = Unload thickness +
(Measured valve clearance -0.25mm)
[Reference] The 32 kinds of gasket with different
thickness are listed in the following table:
2.18 2.40 2.62
2.20 2.42 2.64
2.22 2.44 2.66
2.24 2.46 2.68
2.26 2.48 2.70
2.28 2.50 2.72
2.30 2.52 2.74
2.36 2.58 2.80
2.32 2.54 2.76
2.38 2.6
4.4.3.4 Adjust the valve clearance with selected
adjustment gasket.
Notice: Install the adjustment gasket with its identification
mark facing downwards.
4.4.3.5 Rotate the crankshaft so that the crown head of
the cam faces downwards and presses down the the valve.
Pick up the special tool.
4.4.3.6 Rotate the crankshaft for 2-3 rounds and confirm
once again the valve clearance. If it is still beyond the
scope of standard value, adjust and inspect the valve
clearance according to the operation specified in 4.1-4.4.
3) Cylinder Head
1. Structure Diagram
Low