Clean the air filter every four months or sooner, as needed.

The following figure shows the spring latches on the front cover and the air filter location.

Figure Spring latches on front cover and air filter location
12
No.DescriptionNo.Description

1

Front cover spring latches (two on each side)

2

Air filter location behind the front cover

NOTE

You do not need to remove the API source to remove the front cover of the MS.

Procedure

  1. Disconnect the plumbing tubing to the API source, as applicable.
  2. Depress the four spring latches that are located on both sides of the front cover.
  3. Pull the front cover off at an angle to clear the API source.
  4. Remove the air filter from the filter bracket.
  5. Wash the air filter in a solution of soap and water.
  6. Rinse the air filter with tap water and allow it to air dry.
  7. Reinstall the air filter.
  8. Reinstall the front cover.
  9. Reconnect the plumbing tubing to the API source, as applicable.