1, open the tank into the pump switch, remove the pipeline, oil flow, if the oil flow is very fast, normal, if you check the oil flow on and off.

2, after the low-pressure oil flow is unblocked, the hand pump can be used to remove the air in the oil circuit, open the pump head bleed screw, until there is no bubble, you can tighten the bleed screw.

3, to determine the smooth flow of oil, diesel engine supply system without air, you can disassemble the northern Baotou Benz parts oil pump cover plate, plate handle handle, pull the oil pump pull rod to see whether the rod is flexible and the plunger spring is broken. In the bar and flexible plunger spring did not break the case, can start the engine speed operation for 10 minutes, and the cutoff phenomenon, can be a copper hammer tapping oil pump nut, while knocking while listening to the engine sound, if the sound is not normal, that the oil pump piston and push rod card, repair or replace.

4, if not, it should be considered that the nozzle is not atomized, the plunger spring and the spring seat of the oil pump are broken, stuck or not working, or diesel oil containing water. Remove the nozzle assembly check opening pressure and atomization nozzle assembly, if normal, allows the user to use the oil side connecting test was carried out with a clean diesel oil into the pot. If there is a fire phenomenon should be considered in northern Baotou Mercedes Benz parts engine problems.

5, remove the Baotou Benz accessories injector assembly, rotate the crankshaft turns, namely water spray, description of cylinder head, cylinder body with cracks or voids, encounter this kind of situation, to reflect the user or to explain the diesel engine company. It's not about the engine problem.