Rotary vane vacuum pump oil spray, how to check and deal with?

Rotary vane vacuum pumps use oil as a lubricant to seal and cool the vanes as they rotate, and sometimes oil can be sprayed out of the pump during operation. Here are some steps you can take to check and deal with oil spray in a rotary vane vacuum pump:

1. Check the oil level: Ensure that the oil level in the pump is at the correct level. If the oil level is too high, it can cause excessive oil spray.
2. Check for leaks: Inspect the pump for any leaks that may be causing excessive oil spray. Check for loose connections, damaged seals or gaskets, or worn vanes. Any of these issues can cause oil to spray out of the pump.
3. Adjust the pressure: If the pump is operating at too high a pressure, it can cause oil to be sprayed out of the pump. Check the manufacturer’s specifications for the proper pressure range for the pump and adjust as necessary.
4. Clean the pump: If there is excess oil spray on the exterior of the pump, clean the pump and surrounding area with a degreaser or solvent. This will prevent the oil from accumulating and potentially causing a fire hazard.
5. Replace the oil: Over time, the oil in a rotary vane vacuum pump can become contaminated with debris and moisture, leading to increased oil spray. Follow the manufacturer’s recommended oil change intervals and use the appropriate oil for your pump.

If you are unable to resolve the oil spray issue, contact the manufacturer or a qualified service technician for further assistance.