Email:eric@shunyumachinery.com Yancheng Shunyu Agriculture Machinery Co.,Ltd

Yancheng Shunyu Agriculture Machinery Co.,Ltd

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Yancheng Shunyu Agriculture Machinery Co.,Ltd

Address:Wengang South Road 59#, Yancheng City, Jiangsu Province, China

Tel:+86-515-8860-7757

Fax:+86-515-8860-7757

Phone:+8618921887735

Email:eric@shunyumachinery.com

     

Fault Diagnosis And Elimination Of Multi - Cylinder Diesel Engine

First, the diesel engine can not start


Diesel engine starting the main phenomenon: the starting speed is not enough; start the normal speed still can not start the diesel engine.


1, the diesel engine can not start the reasons are:


1.1 Fuel system failure.


1.1.1 plugging of the fuel tank cap.


1.1.2 No fuel or fuel tank switch in the tank is not open.


1.1.3 tubing rupture, clogging, tubing interface loosening, sealing failure.


1.1.4 fuel filter plug, oil pump inlet pipe connection pipe bolts filter plug.


1.1.5 Damaged oil pump.


1.1.6 fuel grade is wrong.


1.1.7 The air is not exhausted in the fuel system.


1.1.8 There is water in the fuel.

1.1.9 Fuel pump failure:


(1) plunger coupling body and the oil valve body with the surface of the folder with impurities, sealing failure.


(2) out of the valve spring off; plunger spring off.


(3) plunger even killed; out of the valve bite; spool fracture.

1.1.10 Fuel injector failure:


(1) The injector spring is broken.


(2) injector fuel injection pressure is low, bad atomization, drip serious.


(3) grease mouth occasionally killed; stuck or wear serious.


(4) nozzle nozzle hole blocked.


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