CLEANING: WET METHOD
Additionally DI-AC filters can be cleaned using a mild detergent and air-dried.
1. Place filter in a 2%-3% (approximately 4 oz per gallon of water) solution of mild dish soap such as Ivory®,
Joy® or Palmolive®. Allow to soak for about ten minutes.
2. With seam side facing you, wash filter. DO NOT scrub excessively as damage may result.
3. Remove from solution and rinse thoroughly, from the seam side straight through, under low-pressure stream of
water. Rinse smooth side, and again from seam side until all soap residual is removed.
4. Allow filter to air dry completely, normally 24-48 hour period @ 70° F or lower. DO NOT dry filter inside of the
Loader. DO NOT apply direct heat as damage will result.
Cartridge Filters
PTFE-Coated Cartridge
WARNING!
If your Whisper® Loader is fitted with special PTFE-coated Filter(s) use extreme caution during handling
and cleaning of the cartridge(s). You are cleaning filter media surface-coated with a PTFE membrane (approximate
thickness of 1 to 1-½ mills or about 1/8 the thickness of plumber’s tape) laminated onto a non-woven, spun-bond
substrate. DAILY Filter Inspection is required. Clean periodically as dictated by service load, replace when damaged or
worn as surface abrasions and damage adversely affect filter performance. DO NOT SCRUB.
CLEANING: DRY METHOD
Vibra-Pulse™ pre-clean Cartridge(s) Off-line (Vacuum Motor off) for approximately ten minutes with the Loader’s VP
system frequency setting at 15-second intervals at 100-milliseconds. The VP Valve shall remain connected to 60psig
compressed-air source.
Should Pleated Cartridge Filters require further cleaning beyond that accom-
plished by the Vibra-Pulse™ system, remove and clean as follows:
1. Carefully lift out Tubesheet/Cartridge assembly from Whisper® Loader.
2. Loosen the Cartridge mounting hardware and remove Filter(s) from
Tubesheet.
3. The Tubesheet material-contact surface can be cleaned as required at
this time. Dry thoroughly.
4. While holding filter at the Upper (open) End Cap lightly tap (Bottom
End Cap) against a firm surface to dislodge majority of larger particles,
rotating as you work completely around filter.
5. Lightly brush excess debris lodged within pleats in a sweeping motion
as required starting from each end and working towards middle of
filter. Turn filter over end-for-ed and repeat.
6. And/or vacuum, from dust side, using a soft-bristle brush so as not to
embed particles further into media.
7. Vacuum inside at closed End Cap to remove accumulated debris – if any.
8. Apply a jet from compressed-air nozzle/wand held away from surface at
45° to filter’s surface. DO NOT allow air device to scrape filter surface as
damage may result. The air device opening must Ø3/8” or larger to prevent
filter damage. Move nozzle along the full length of filter in a steady up &
down motion.
9. Using same technique in step 8, sweep inside of cartridge.
10. Repeat step 8 & 9 again to provide a clean sweep of both the inside &
outer surfaces.
11. As an option, a vacuum nozzle can be used to clean the pleats as
described in steps 8 & 9.
© Copyright 2007 IMS Company. All rights reserved. An ISO 9001:2000 Registered Quality Company
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