Check 3-way fuel oil selection valve located before fuel oil pump unit and change the 3-way valve to MDO/MGO side.
检查位于燃油输送泵前的三通燃油切换阀,并转换到MDO侧。
2
The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a checkvalve to permit oil to flow back when braking operation is released.