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Chery QQ Service Manual
3.9 Installation of cylinder head cover
3.9.1 The old cushion of the timing belt cover which
contacts the cylinder head cover should be removed
completely.
3.9.2 Put the new cushion into the gloove of the timing
belt cover accurately.
3.9.3
Mount the cylinder head cover on the cylinder
head, and tighten the 8 bolts in the order as indicated in the
right figure and with the specified torque.
Torque: 6±1N.m
4 Inspection of valve
4.1
Standard valve clearance:
Valve clearance
IN
EX
4.2
Make sure that the timing mark on the camshaft
driving gear is aligned with that on the camshaft driven
gear.
4.3
Inspect the valve clearance as specified in the figure
below with the feeler gauge
Cylinder 1
Cylinder 2
IN
EX
IN
EX
—
O
O
O
4.4 Rotate the camshaft for a round to the position as
indicated in the figure, and then measure the valve
0.18±0.05
0.25±0.05
Cylinder 3
Cylinder4
IN
EX
IN
EX
—
—
—
O
Mechanical Part of SQR 472Engine
Timing
Gear
of
Exhaust
6-20
Gear
of
Intake
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