OKJ Parts D2366T Cylinder Liner for Doosan Engine Agriculture Diesel Engine Spare Parts D2366

Cast Iron Engine Cylinder Sleeves D2366T Cylinder Liner For Doosan Engine D2366

OKJ Parts D2366T Cylinder Liner for Doosan Engine Agriculture Diesel Engine Spare Parts D2366

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:

1. 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.

2. Poor fuel combustion

Fuel injection pressure is too low, the injector drops oil, fuel injection atomization and oil supply time is too late will cause fuel combustion and lead to cylinder knocking. The sound that this kind of fault causes to knock cylinder is low, hoarse and accompanying engine overheat, black smoke or vent pipe blast, exhaling phenomenon. The injector shall be removed for inspection and adjustment, and the oil supply time shall be adjusted. If necessary, a new part shall be replaced to meet the requirements.

Product Description

One of the cold start bulldozer "when, when" good sheng gongs and drums, the first out of a white smoke emissions, after smoking, the engine suddenly caught fire, suddenly throttle when there is a knock sound, throttle stability abnormal sound disappeared, if repeatedly suddenly throttle, still knock on the door. Close the tank to check, they found abnormal noise in the VI cylinder. Suspect the injector needle is eye-catching. Delete the normal check results. The sixth cylinder head was removed, we found that the cylinder pad burned smoke, the cylinder head bolts were originally tight (torque up to 250N · m) phenomenon, while the cylinder head and cylinder pad were not compressed because there was a water block higher than the upper body flat. Replace the cylinder pad and just get off the plane, re-noise after losing the mounting height of the block, and the engine runs normally.

Another phenomenon is the "throat, throat sound" of the engine when the bulldozer is idle, when the v-type cylinder shuts off the oil until it fades away. Suspected to be caused by V cylinder idling large oil company, but not to help small transfer, large and medium throttle operation, abnormal sound is not obvious; Valve clearance is normal. To start the engine fuel meng door, there is "when, when" knock sound, repeatedly throttle, five cylinder cylinder pad in the smoke. After inspection, the fault is caused by tank mat cleaning.

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