D2366t Cylinder Liner Doosan Engine Agriculture Diesel Engine Spare Parts

OKJ Parts D2366T Cylinder Liner for Doosan Engine Agriculture Diesel Engine Spare Parts

Knocking symptom

Diesel generator in the operation process of the symptoms of cylinder knock is: from medium to low speed, will give out a heavier sound of cylinder knock, diesel generator set exhaust pipe black smoke, and sometimes set off the sound of guns or fire out, engine body overheating. The main reasons for the generation of knocking cylinder are:

Oil supply time is too early

When the diesel generator set piston upward movement has not reached the specified fuel injection position, the injector began to spray oil, so that fuel combustion ahead of time, the high pressure gas cylinder impact piston, a rhythmic "click, click" sound, reduce the throttle, the sound is obvious.

The elimination method is: adjust the oil supply advance Angle, that is, increase the gasket between the fuel injection pump and the gear box to delay the oil supply time to the specified injection time. Oil supply advance Angle can be delayed 1.3-1.7 for every 0.1 mm increase of gasket.

Product Description

Common problems

Repair assembly errors:

Repair assembly mistake packing ring piston pin card or not fully loaded, diesel engine piston pin at work through the scratch cylinder liner cylinder. When installation clean job is poor, the granulated metal cuttings or hard objects into the pot can also cause the cylinder. In addition the wrong ring, upside, packing all can cause cylinder. Piston ring has the branch of oil ring and ring, oil ring is mainly used for oil scraper, improve the cylinder lubrication conditions. Gas is mainly to ensure that the piston and cylinder liner seal ring. According to different working conditions, and under pressure, the gas ring before the material selection and structure design is different, such as the piston ring is installed wrong, upside or packing can be caused by untight seal or not Oil scraping effect, so that the deterioration of the lubrication conditions on the inner surface of the cylinder liner caused by the lack of oil caused by the cylinder.

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