If valve clearance needs to be adjusted, loosen the locknut on rocker arm adjustingscrew. Turn adjusting screw until feeler gauge slips with a slight drag.
如果气门间隙需要调节，松开摇臂调节螺丝上的防松螺母，转动调节螺丝直到测隙规滑动时稍带阻力为止。
2
The squeezing stress between the valve end the screw for adjustingvalve clearance must be taken into account in designing high speed valve train.
高速配气机构设计中一个不可忽视的薄弱环节是气门间隙调整螺钉头部的挤压疲劳。
3
The upper end of the adjustingscrew (7) is provided with a frustum-shaped valve needle (6).