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Inspection methods for general failure causes of diesel generators

点击量: 9 Release time: 2019-12-02 Clicks: 9

Diesel generator sets sometimes have troubles during starting, unstable operation after starting, white smoke, blue smoke, black smoke from the exhaust pipe, low or high pressure, high diesel engine temperature, and insufficient engine power . So what causes it? This article is analyzed by the professional diesel generator manufacturer- Jiangsu Lide Power Equipment Co., Ltd. from the perspective of not considering the electrical control components.

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Fault one: It is difficult to start a diesel generator

1) Wrong level oil (too strong viscosity)

2) Error level fuel

3) No fuel in the fuel tank

4) Diesel grid plug (diesel filter plugged)

5) There is air in the fuel system

6) The temperature is too low

Fault two: The diesel generator is unstable after starting

1) Check the fuel quality

2) Check the atomization of the fuel injection nozzle

3) Check the valve clearance

4) Check for leaks in the oil supply circuit

5) Check governor failure

Failure three: white smoke from the exhaust pipe of the diesel generator set

1) Water enters the cylinder liner

2) The fuel injection time is incorrect


Fault four: blue smoke from the exhaust pipe of diesel generator set

1) Check the engine oil level

2) Oil passes through the piston ring (usually caused by low load)

3) Cylinder liner is damaged

4) Piston ring wear

  Fault 5: The exhaust pipe of the diesel generator set emits black smoke

1) Excessive load

2) Air filter plug

3) The intake air temperature is too high

4) Poor fuel quality or water

Fault 6: The oil pressure of the diesel generator is too low

1) Engine oil is used for a long time

2) Oil filter is clogged

Fault 7: Diesel generator oil pressure is too high

1) The oil is too thick

2) The oil circuit is blocked, retest the oil pressure

Malfunction 8: Diesel generator diesel engine temperature is too high

1) Excessive load

2) Insufficient cooling water

3) insufficient oil

4) Fan belt slips

5) Too much scale in the water jacket and water tank

6) The water tank is blocked

7) Poor heat dissipation conditions in the equipment room

8) Water pump is damaged

Failure 9: Insufficient diesel engine power

1) Insufficient fuel supply

2) Diesel filter is blocked

3) Injector is dirty

4) Compression difference

5) Intake is blocked

6) Exhausted smoke

7) The injection pressure is too low, and the atomization is not good

8) The injection time is not accurate

9) Improper valve clearance

The above is the diesel generator manufacturer Jiangsu Lide Power Equipment Co., Ltd. from the perspective of not considering the factors of electrical control components of the diesel generator set to share with you the general fault inspection methods, I hope to help you. Our company was founded in 1974 and is one of the earliest domestic manufacturers of generator sets. Our company has 64 sales and service departments, which provide users with technical consultation, free commissioning, free maintenance, and free training services for a long time. Website: http://kardio.cn

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