AK500 System Installation and User's Guide
Positron Access Solutions 95 Document 180-0037-003 R01
4.1 AK500 Filters
The filters for the AK500 CCU and CRU should be replaced every six months.
Care should be taken when replacing filters to ensure collected dust on the filters
does not enter into the equipment (see Figure 6). Ordering information for filters
can be found at the end of this document.