Bosch Fuel Injection Pump 0445025402

Maintenance methods of diesel engine fuel injection pump

(9) Replace the worn plunger and oil delivery valve couple in time
When it is found that the diesel engine is difficult to start, the power is reduced, and the fuel consumption is increased, and the fuel injection pump and fuel injector are not improved after adjusting the fuel injection pump and fuel injector, the plunger of the fuel injection pump and the oil outlet valve should be dismantled and inspected, such as the plunger and the oil outlet valve are worn to a certain extent. The level should be replaced in time, do not insist on reuse. Due to the wear and tear of the diesel engine, the loss of diesel engine start-up difficulty, increased fuel consumption, and insufficient power far exceeds the cost of replacing the pair. Even parts are replaced.

(10) To properly maintain the accessories of the fuel injection pump
The side cover of the pump body, oil dipstick, filler plug (breather), oil spill valve, oil pool screw plug, oil level screw, oil pump fixing bolts, etc. must be in good condition. These accessories play a vital role in the work of the fuel injection pump. important role. For example, the side cover can prevent the intrusion of impurities such as dust and water, the breather (with filter) can effectively prevent the oil from deteriorating, and the oil spill valve can ensure that the fuel system has a certain pressure without entering air, etc. Therefore, it is necessary to strengthen the maintenance of these accessories, and repair or replace them in time if they are found to be damaged or lost.