Unscrew #2 Check (turncounter-clockwise) by placing along screwdriver across lugs and applying pressure to loosen #2 Check.
Unscrew #2 Check (turncounter-clockwise) by placing along screwdriver across lugs and applying pressure to loosen #2 Check.
将螺丝起子向前插入穿过凸耳桉逆时针方向旋转2号止回阀的螺纹，并施加压力松开2号止回阀。