Good maintenance can ensure the reliable operation of gas generator units. Under normal usage, the maintenance work of gas generator units should be carried out in accordance with the prescribed daily, weekly, and monthly maintenance requirements. Through these specific maintenance measures, it is possible to promptly detect any abnormal sounds, actions, appearances, temperatures, pressures, and odors in the unit, in order to inspect and adjust the unit in a timely manner, and then address them in a targeted manner to ensure normal operation of the unit. In these maintenance requirements, special attention should be paid to the following three aspects of inspection and maintenance:

(1)潤滑系統(tǒng)的檢查和維護(hù)。

(1) Inspection and maintenance of the lubrication system.

由于本機(jī)組運(yùn)行部件多，運(yùn)行部件工作條件差，大部分處于高溫高沖擊載荷下，需要潤滑的部件多，對潤滑系統(tǒng)的可靠性要求嚴(yán)格。因此，有必要檢查潤滑油系統(tǒng)的油質(zhì)、油位、油溫和油壓，并注意離心過濾器和濾油器的清洗，以避免潤滑不良引起的機(jī)組部件磨損增加，縮短機(jī)組部件的使用壽命。

Due to the large number of operating components and poor working conditions of this unit, most of them are under high temperature and high impact loads, and there are many components that require lubrication. Therefore, the reliability of the lubrication system is strictly required. Therefore, it is necessary to check the oil quality, oil level, oil temperature, and oil pressure of the lubricating oil system, and pay attention to the cleaning of the centrifugal filter and oil filter to avoid increased wear of the unit components caused by poor lubrication and shorten the service life of the unit components.

(2)空氣過濾器的檢查和維護(hù)。

(2) Inspection and maintenance of air filters.

如果空氣濾清器工作良好，將有效避免因進(jìn)氣阻力大導(dǎo)致壓降大而導(dǎo)致渦輪增壓器漏油；還可以避免渦輪增壓器壓氣機(jī)因流量減少而產(chǎn)生的喘振現(xiàn)象。因此，定期清潔空氣過濾器，必要時更換新的濾芯。紙質(zhì)濾芯可在潮濕區(qū)域移除。檢查并調(diào)整相關(guān)間隙和角度。主要是火花塞間隙、氣門間隙、氣門正時的檢查和調(diào)整。

If the air filter works well, it will effectively avoid turbocharger oil leakage caused by high pressure drop due to high intake resistance; It can also avoid the surge phenomenon caused by flow reduction in the turbocharger compressor. Therefore, regularly clean the air filter and replace it with a new filter element if necessary. Paper filter cartridges can be removed in damp areas. Check and adjust the relevant clearances and angles. Mainly involves checking and adjusting the spark plug clearance, valve clearance, and valve timing.

燃?xì)獍l(fā)電機(jī)組運(yùn)行一段時間后，火花塞間隙會變大是正常現(xiàn)象。如果間隙增加到0.89毫米，火花塞就會著火，導(dǎo)致機(jī)組運(yùn)行不穩(wěn)定，甚至停止。因此，應(yīng)定期檢查和調(diào)整，同時應(yīng)消除火花塞及其螺紋處的積碳，以確保其易于使用。

It is normal for the spark plug gap to increase after a period of operation of a gas generator set. If the gap increases to 0.89mm, the spark plug will catch fire, causing unstable operation of the unit and even stopping. Therefore, regular inspections and adjustments should be carried out, and carbon deposits at the spark plugs and their threads should be eliminated to ensure their ease of use.

此外，長期運(yùn)行后，氣門間隙會因配氣機(jī)構(gòu)的磨損和松動而發(fā)生變化，因此應(yīng)定期檢查和調(diào)整氣門間隙。正常情況下，氣門正時不需要調(diào)整。當(dāng)機(jī)組各缸工作狀態(tài)異常時，檢查指針上止點(diǎn)指示的位置是否正確，檢查傳動系統(tǒng)的齒輪傳動標(biāo)記是否對齊，整個系統(tǒng)的裝配關(guān)系和氣門間隙是否正確。如果檢查和調(diào)整后仍與規(guī)定值相差較大，應(yīng)考慮凸輪軸或齒輪傳動部件是否損壞，必要時進(jìn)行修理或更換。

In addition, after long-term operation, the valve clearance may change due to wear and looseness of the valve mechanism, so it is necessary to regularly check and adjust the valve clearance. Under normal circumstances, the valve timing does not need to be adjusted. When the working status of each cylinder in the unit is abnormal, first check whether the position indicated by the top dead center of the pointer is correct, check whether the gear transmission marks of the transmission system are aligned, and whether the assembly relationship and valve clearance of the entire system are correct. If there is still a significant difference from the specified value after inspection and adjustment, it is necessary to consider whether the camshaft or gear transmission components are damaged and repair or replace them if necessary.

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