What Are The Reasons For Smoke Coming From The Vacuum Pump Of A Vacuum Packaging Machine?

Mar 12, 2026

 

What are the reasons for smoke coming from the vacuum pump of a vacuum packaging machine?

 

One common malfunction of vacuum packaging machines is the phenomenon of the vacuum pump emitting smoke. What causes this? What are the reasons for the vacuum pump of a vacuum packaging machine emitting smoke?

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The reasons for the vacuum pump of a vacuum packaging machine emitting smoke are as follows:

 

 

1. Vacuum pump oil not changed for a long time: After purchasing a vacuum packaging machine, regular maintenance is necessary. Vacuum pump maintenance mainly involves checking the oil level through the oil window to see if the oil has changed color. If the vacuum pump oil turns black, it should be replaced immediately.

 

 

2. Air filter and oil filter not replaced in time: When changing the vacuum pump oil, the common practice is to only change the oil, neglecting to replace the air filter and oil filter. The main reason for the vacuum pump emitting smoke is that the air filter has not been replaced for a long time, and the oil filter accumulates impurities over time.

 

 

Vacuum packaging refers to removing the air from the packaging bag and sealing it to isolate the food inside from the outside environment. Under vacuum conditions, the growth of aerobic microorganisms is slowed down or inhibited.

 

The main reasons for smoke from the vacuum pump of a vacuum packaging machine are as described above. When our machinery malfunctions, we can resolve the issue promptly.

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