Move the reversing handle to ahead side and to the astern side alternately. The single-acting cylinder (17) is actuated 移动换向手柄到正车侧和倒车侧交变地。单作用气缸17被促动相应到操作。
Move the reversing handle to the ahead side and to the astern side alternately. There is proper blowing from the line fi移动换向手柄到正车侧和倒车侧交变地。有适当的气从滤器51-2吹出相应对操作。