4-1
ZHEJIANG KAYO MOTOR CO., LTD.
Cut seat surface to certain width with 45
。
cutting machine and make sure it smoothly.
Valve face adjust
Smear Prussian-blue or red lead.
If the contact area high, cut seat with 32
。
cutting machine, then cut seat surface to certain
width with 45
。
cutting machine; If the contact area low, cut inner seat face with 60
。
cutting
machine, then cut seat surface to certain width with 45
。
cutting machine.
Running in the surface after seat adjust with emery.