Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit - Manual (Page 41)

3. Maintenance
41
031-132-B0-001 Rev. A TM ©2000
The air intake filter is located on the rear door.
WARNING: Failure to keep the filters clean or using improperly
installed filters, may cause internal system failures
due to lack of cooling air or dirt buildup. Equipment
failures caused from filter blockage or dirt ingress
due to clogged or improperly installed filters is not
covered under warranty.
Filter Removal, Replacement, and Cleaning
1. Unlock and remove the rear door.
2. Pull the four captive fasteners (item 1, below) out.
3. Tilt the filter frame away from the door and remove the filter.
4. Clean the filter using a vacuum or compressed air (if available) to
remove loose dust and dirt. Then clean them using a soap and water
solution to remove any trapped dirt. Use compressed air and dry the
filter. After cleaning, re-coat the filters using RP Super Filter Coat
Adhesive, available from local suppliers.
5. Replace the filter (Verify the “Air Flow” indicating mark faces into the
enclosure) and refasten the filter frame.
6. Replace and lock the rear door.
3.4 Filter Cleaning
Fig. 3-2 Access Panel and Air Filter Fig. 3-3 Air Filter Removal