If the operator mounting holes do not line up with the valve flange holes, the stop screw (s) should be backed off and handwheel turned until holes are aligned.

如果操作装置的安装孔与阀门法兰孔没有对应上，就要把锁定螺栓退回，旋转手轮式的螺栓孔对准为止。

youdao

Remove one socket pin head screw (c), three socket head bolts (d) and gear operator cover (e).

拆卸一个灯头钉头螺丝(C)，三个套筒头螺栓(d)和齿轮执行机构盖(E)。

youdao

Remove one socket pin head screw (c), three socket head bolts (d) and gear operator cover (e).

拆卸一个灯头钉头螺丝(C)，三个套筒头螺栓(d)和齿轮执行机构盖(E)。

youdao