Unscrew the locking handle found on the side of the phase shift 'Siko'unit; this enables the adjustinghandle to be turned.
旋开移相器上“西科”牌（？）装置一端的止动柄，即可转动止动柄而调整移相器。
2
Take special attention to avoid the grinding wheel hitting grinding head or the tailstock , while operating the handle of the worktable or adjusting its stroke.
摇动工作台，或调节行程时要特别注意避免砂轮撞上磨头或尾座。
3
The surfaces of the upper cover body and the thickness adjusting knob are provided with square pattern, and one side of the upper cover is installed with a handle.