Faults And Troubleshooting

Faults and troubleshooting

1, see the seat is not tight, nervous seat if non-style search leaks.

2, first of all, let's body next to the pump, open the pump cover, start a small throttle, engine operation, visual internal leakage of the fuel pump. If the cylinder piston and plunger scapular surfaces are greasy, a drop of oil flow can be observed in the small bubble roller mechanism. Further examination of the blade surface gasket plunger, plunger defect or wear.

3, if there is no bubble, you should consider the issue of the fuel pump on the vice. Allows the user to write 3-4 kg of diesel oil into the container, remove the fuel pump assembly, remove the hollow screw screwed into the tube fuel pump, and connect the fuel pump inlet to the pump will block the port, oil, when a person morale, a person into the diesel Pump pressure and will soon be able to find the place for oil spills. The method has been applied to the head of a pump that can also be pressure tested.

Before testing the pump head, the position of the plunger should be adjusted to stop the positioning of the oil on the oil, ie the plunger can be tilted to avoid returning to the hole. Until the leak site.