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Turn the adjustment screw so that the steering arm moves away from the main motor. Keep turning until you hear a metallic sound created when the discs come together.
旋动调节螺杆使转向臂向主电机反方向移动，继续转动调节螺杆直到动盘与定盘接触，发出轻微金属碰撞声为止。
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