Donaldson DFPRE 4L - HEPA Filter Replacement; Figure 18: Cartridge Replacement; Figure 19: HEPA Filter Replacement

Installation, Operation and Maintenance manual
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DFPRE Large Dust Collectors
Cartridge suspension yoke
Dirty Air Plenum
access door
Cartridge cover
Cartridge
Wing nut
Washer
Figure 18: Cartridge replacement
HEPA filter replacement
1. Remove the HEPA filter by unclamping the outlet grid panel at the side/top.
2. Install the new HEPA filter in reverse order. Make sure the HEPA filter gasket is
facing the outlet access panel.
Figure 19: HEPA filter replacement