1. Abnormal temperature change, over-temperature trip
1. The compressor oil has poor lubrication performance or excessive viscosity
2. No oil or low oil level
3. Poor oil circuit and insufficient circulating oil
4. Poor heat dissipation
5. Severe coking and coking
6. Lubricating oil has poor temperature resistance and poor oxidation stability
7. The oil circuit is often blocked due to the oxidation of the lubricating oil and the sludge
8. Frequent replacement of oil and oil filter is caused by the oxidation of lubricating oil and civil sludge deposits
Two, often need to refuel
1. Oil pipeline leakage
2. Oil failure
3. The oil return pipe is not smooth
4. Lubricating oil has poor thermal stability and severe volatilization
5. Oil changes are often needed. The quality of lubricating oil is poor and the service life is short.
6. The compressor explodes or the cooler burns through. Lubricating oil has poor oxidation resistance, forming carbon deposits, and the machine lacks protection and heats up rapidly. This situation is mostly caused by the use of low-quality mineral oil
7. Loud noise caused by lack of oil, poor oil supply or low oil viscosity
Three, vibration
1. Poor oil path
2. Low viscosity of lubricating oil or poor extreme pressure and wear resistance of lubricating oil
3. Thin oil film, low oil film strength, lack of functional additives
4. Air circuit blockage, frequent empty unloading, carbon deposit, coking, etc. of lubricating oil
5. Screw carbon deposit, heavy load, overload shutdown, poor lubrication and temperature resistance, poor oxidation stability
Fourth, the parts are severely corroded
1. Poor anti-rust performance of lubricating oil
2. Poor anti-emulsification performance, poor drainage, and water accumulation
5. High oil content in compressed gas
1. Failure of oil
2. Oil return failure
3. The lubricating oil is volatile
4. Excessive lubricant
5. Frequent compressor maintenance and poor compressor oil performance
Sixth, the compressor oil has high moisture content
1. Seal failure of rear cooler
2. Inadequate drainage
3. The demulsibility of lubricating oil is not good
4. Difficult to start in winter, low temperature flow of lubricating oil, hairpin left, high pour point
5. There are many compressor oil foams, poor oil quality or poor oil anti-foam performance
Seven, starting difficulties
1. Choose oil with wrong viscosity or use mixed oil
2. Use other non-special oils to substitute or oils deteriorate and coke
8. Oil becomes black
1. Incomplete oil change, polluting new oil
2. Poor oil quality
3. The oil has been used for too long
Nine, the compressed air has a burnt smell
1. Deterioration of oil during high temperature operation
2. Excessive use of oil
3. Shanpin's thermal oxygen stability is poor