n.驾驶盘(操纵轮；手轮)
Refit the handwheel retaining screw. 重新装置手轮固定螺丝。
Reinstall handwheel and secure with retaining bolt. 重新安装手轮，用固定螺栓加固。
Handwheel to adjust conveyor belt up and down. 手动摇输便于调节输送带高低。
Anticlockwise turn the handwheel to close the door. 逆时针转动手轮关闭箱门。
When fully closed,the handwheel rotates clockwise. 全关时手轮按顺时针方向旋转；
Add these weights to valve and handwheel weights. 将这些重量加在阀门和手轮重量上。
