SQR7080 Service Manual 372 Engine Mechanical System
Chery Automobile Co., Ltd
4-2 Dismounting
1、Removal of spark plug
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.
SST for valve oil seal
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