喷油器故障的排除喷油嘴满油针阀体密封锥面因受针阀的频繁冲击，以及高压油流的不断喷射，锥面就会逐渐出现刻痕或斑点，于是丧失其密封性而滴油。则柴油机功率下降，油耗上升，排气管冒黑烟或有放炮声。此时应在针阀头部沾上少许氧化铬细研磨膏（不要沾在针阀孔内）对锥面进 Injector failure troubleshooting Oil filled needle valve body sealing cone due to the frequent impact of the needle valve, and the continuous injection of high-pressure oil flow, the cone will gradually appear nicks or spots, so the loss of its sealing Dripping oil. The power of the diesel engine will drop, the fuel consumption will increase, the exhaust pipe will emit black smoke or have the sound of blasting. At this point should be stained head with a little chrome oxide fine grinding paste (do not stick in the needle valve hole) on the cone into