SQR7080 Maintenance Manual 372 Engine Mechanical System
Chery Automobile Co., Ltd
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2 There are 8 cylinder cover bolts. In the process of
removing the cylinder, please follow the sequences shown
as the right illustration, loosen the bolts one by one
evenly and gently.
3 Removal of the cylinder dustproof sealing and cylinder
cover base.
[Attention]
The cylinder cushion can not be used
repeatedly.
4 Removal of throttle adjusting separation cushion and
valve thrusting rod
5 Use special tools to remove the valve spring locking
block, throttle spring stand,valve spring, IN valve and EX
valve
6 Removal of valve oil seal and valve spring washer
4-3 Clearing
1 The accumulated carbon residue covered on the valve
must be cleared.
2 Use scraper to clear the cylinder cover, the air inlet
and exhaust branching pipe surfaces and bottoms
[Attention]
Do not damage the cylinder cover surface by scraping
during the process of clearing.
Do not drop filth into the air inlet and the water channel.
4-4 Routine checks
4-4-1 Cylinder cover
1 Use the straight knife sharp edge ruler to measure the
levelness at various points as shown in the figure.
Cylinder cover 0.10mm
Air inlet branching pipe surface 0.10 mm
SST
