1. Turn on the oil tank switch, remove the oil inlet pipe of the oil delivery pump and check the oil flow. If the oil flow is fast, it indicates that it is normal. If the oil flow is intermittent, continue to check the oil circuit.

2、低壓油流暢通后，可用手壓泵排除油路中的空氣，打開(kāi)泵頭放氣螺釘，直到?jīng)]有氣泡時(shí)，方可上緊放氣螺釘。

2. After the low-pressure oil flow is smooth, the air in the oil circuit can be removed by hand pump, and the air release screw at the pump head can be opened until there is no bubble.

3、確定油路暢通，柴油機(jī)供給系統(tǒng)沒(méi)有空氣后，可拆開(kāi)油泵蓋板，扳動(dòng)操縱手柄，撥動(dòng)油泵拉桿，看拉桿是否靈活和柱塞彈簧是否斷裂。在拉桿靈活和柱塞彈簧沒(méi)斷的情況下，可啟動(dòng)柴油機(jī)中速運(yùn)轉(zhuǎn)10分鐘，還有斷火現(xiàn)象時(shí)，可用一只銅榔頭輕輕敲擊輸油泵大螺帽，一邊敲一邊聽(tīng)柴油機(jī)聲音，如果聲音不正常，說(shuō)明輸油泵活塞和推桿發(fā)卡，進(jìn)行修理或更換。

3. After confirming that the oil circuit is smooth and there is no air in the diesel engine supply system, the cover plate of the oil pump can be disassembled, the control handle is pulled, and the pull rod of the oil pump is pulled to see whether the pull rod is flexible and whether the plunger spring is broken. Under the condition that the pull rod is flexible and the plunger spring is not broken, the diesel engine can be started to run at medium speed for 10 minutes. In case of fire interruption, a copper hammer can be used to gently tap the big nut of the oil delivery pump, and listen to the sound of the diesel engine at the same time. If the sound is abnormal, it indicates that the piston and push rod of the fuel pump are jammed and repaired or replaced.

4、如不行則應(yīng)考慮是油嘴不霧化，油泵柱塞彈簧和彈簧座斷裂，卡死不工作，或是柴油內(nèi)有水。拆下油嘴總成檢查開(kāi)啟壓力和霧化，如果油嘴總成正常，可讓用戶(hù)用干凈柴油裝入壺中用油路旁接法進(jìn)行試驗(yàn)。若還有斷火現(xiàn)象應(yīng)考慮是發(fā)動(dòng)機(jī)問(wèn)題。

4. If not, it should be considered that the nozzle is not atomized, the plunger spring and spring seat of the oil pump are broken, stuck and not working, or there is water in the diesel oil. Remove the nozzle assembly to check the opening pressure and atomization. If the nozzle assembly is normal, the user can fill the pot with clean diesel oil and conduct the test with the oil way side connection method. If there is still the phenomenon of off fire, it should be considered that it is an engine problem.

5、拆下噴油器總成，轉(zhuǎn)動(dòng)曲軸數(shù)圈，即有水噴出，說(shuō)明缸蓋，缸體有裂紋或砂眼，遇到這種情況時(shí)，可向用戶(hù)解釋或向柴油機(jī)公司反映。

5. Remove the fuel injector assembly and rotate the crankshaft for several turns, which means that there are cracks or sand holes in the cylinder head and cylinder block. In case of this situation, explain to the user or report to the diesel engine company.

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