How do I change the exhaust filter? (MVS 45 Series Only)

Tools needed:

  • 2.5 mm hex wrench
  • 10 mm socket wrench 
  • 5 mm hex wrench
  • Long screw driver
  • 7 mm socket wrench
  • Small mirror


  1. Remove the back panel using the 2.5 hex wrench.

  2. Raise and support the back end of the machine to about 6 inches.

  3. Remove the pump mounting bolts using the 5 mm hex wrench


  4. Carefully move the pump around to expose the exhaust filter cover.

  5. Remove cover and 4 bolts using the 10 mm socket wrench.


  6. Loosen the filter retaining bracket bolt using the 7 mm socket wrench and remove it.

  7. Pull the exhaust filter out along with the filters O-ring.


  8. If the O-ring is stuck around the port hole, remove it using a long screwdriver.


  9. Insert new exhaust filter with O-ring and reverse steps 6) through 1), using the mirror to align the pump mounting bolt holes together.

Minipack does not assume any responsibility or liability for the advice given and shall not be liable for any direct, indirect, special, incidental or consequential damages in connection with the use of this information.