1. Remove the Rear Enclosure.
2. Remove the Front Enclosure.
3. Remove the three screws that secure the Patient Filter Cover to the spine assembly.
4. Remove the Patient Filter Cover from the Spine Assembly.
5. Remove and discard the old filter.
Installation: (for item identification, refer to removal instructions above)
1. Install a new patient filter.
2. Install the Patient Filter Cover over the Patient Filter in the spine assembly.
3. Secure the Patient Filter Cover to the spine assembly by tightening the three screws.
4. Install the Front Enclosure.
5. Install the Rear Enclosure.