Chery QQ Service Manual 465 Engine Mechanical System
- 29 –
Chery Automobile Co., Ltd
III Repair of valve seat：
If the valve seat cannot touch the valve
equably or touch width is not in standard
scale, the valve and valve seat must be
repaired by grinding, cutting and polishing.
1 Exhaust valve seat: Use the taper rymer
to cut 3 times as shown in figure. First
cut at a angle of 15°,Then 75°and then
45°to create ideal touch width
2 Angle of exhaust valve seat
3 Intake valve seat: cutting sequence is the
same as the sequence of exhaust valve
seat, but cutting angle is different, shown
as the following illustration:
IV Procedures of installation
1 Install valve.
2 Install valve stem seal.
3 Install spring.
4 Install valve spring damper.
5 Install valve lock.
6 Install cylinder head as the following
illustration.
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