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How to replace the lubricated rotary vane vacuum pump exhaust filter

replace exhaust filter

Replacing the exhaust filter is a vital maintenance task in ensuring long-term operation of the vacuum pump. This article will take the R5 lubricated rotary vane vacuum pump as an example to introduce in detail how to correctly replace the exhaust filter to ensure the excellent performance of the pump.

Tools required to replace exhaust filter

vacuum pump exhaust filter

Before replacing the exhaust filter, prepare the following tools:

  • Exhaust filter
  • Exhaust filter cotton
  • O-ring
  • Hex screwdriver
  • Ratchet wrench
  • 17mm socket head (1/2inch)
  • 300mm extension rod (1/2inch)
  • Needle nose pliers

Here we strongly recommend the use of Btlas vacuum pump exhaust filters to ensure long life and efficient operation of the vacuum pump.

Exhaust filter replacement steps

Step 1: Measure exhaust filter pressure

Before maintenance or inspection, make sure the vacuum pump is stopped and the exhaust filter pressure is measured. If it exceeds 0.6bar and the pointer is in the red area, the exhaust filter must be replaced. Typically, exhaust filters for single-shift operations are replaced at least once a year.

Step 2: Remove the exhaust port cover

Open the exhaust port cover and remove the exhaust filter cotton.

Step 3: Replace the exhaust filter

1.Loosen the nut, take out the exhaust filter holder, and dispose of the old exhaust filter properly.

2.Replace and lubricate O-rings. Btlas exhaust filters are an ideal replacement for Busch filter elements, with lower prices and perfectly matching the original filter element requirements in terms of quality and performance.

3.Install the new exhaust filter onto the bracket, ensuring you properly insert the hollow tube into the bottom of the bracket.

4.Make sure the exhaust filter arrow is pointing up and tighten the nut.

Step 4: Replace the exhaust filter cotton

1.Replace the exhaust filter cotton.

2.Replace the gasket on the exhaust cover.

3.Tighten the screws to complete the replacement process.


Through the above steps, you have successfully completed the replacement of the exhaust filter of the lubricated rotary vane vacuum pump, ensuring the excellent performance of the vacuum pump. Remember to perform regular replacement according to the maintenance cycle to ensure reliable operation and long life of the vacuum pump.

Reference blog:Busch Replacement.Vacuum Pump Exhaust Filter.Exhaust filter for vacuum pump repair and maintenance methods.Boosting Efficiency: Vacuum Pump Oil Mist Filter.Vacuum pump oil mist filter installed on vacuum pump?What to do when vacuum pump exhaust filter is full.

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