19
Donaldson Company, Inc.
Primary Filter
Note: With the unit’s airflow off, allow mist-laden,
wet filter to drain into the inlet plenum for at
least 15 minutes prior to removal.
1. Remove the filter by pulling the filter retention lever
down to a horizontal position. Remove filter from unit
and dispose of properly for the materials collected.
Note: A large plastic garbage bag placed over the
top of the used filter allows cleaner filter
change out. The filter can be tipped forward
and out of the unit while the bag is pulled up
over the bottom of the cartridge.
2. Place new filter on the filter retention platform,
gasket side up. Slide filter back as far as it will go.
Note: The primary filter must be replaced. Do not
wash.
3. Lift the filter retention lever up and close access
door.
latch
HEPA or 95% DOP final filter
airflow
primary filter cartridge
filter retention
lever
Final Filter
Primary Filter Replacement
Primary Filter
Final Filter
1. Release the latches on both sides of the HEPA or
95% DOP filter frame. Dispose of used filter properly.
2. Install new HEPA or 95% DOP filter with the gasket
facing the frame and the airflow arrow pointing away
from the unit.
