4-1
ZHEJIANG KAYO MOTOR CO., LTD.
running in.
Remove gas valve and check the sealing of contract area. If the valve face worn, rough or
damaged, replace it. The contract area still doesn’t seal after running in, replace.
Check valve seat
Valve seat width: 1.6mm.
If not in this range, adjust valve seat with specific tool (45
。
Adjustor).
Cut 1/4 upper seat surface with 32
。
cutting machine and 1/4 lower seat surface with 60
。
cutting machine.
