2. Remove the air filter above the source enclosure by grasping the filter between your
fingers and pulling it out of the grill enclosure.
Figure 3–20: Air filter locations
Air filter
Air filter frame thumbscrew
3. Dispose of the filter.
4. Place the new filter on the inside part of the grill with its edges secured by the metal lip.
5. Close the instrument door.
6. Unscrew the thumbscrew at the bottom of the instrument that secures the air filter frame to
the instrument.
August 20, 2021, 715005003 Ver. 04 (Previously released as Revision C)
Page 56