Envirco MAC 10 LE-AC - Manual (Page 8)

MAC 10 LE-AC SERVICE MANUAL
7 E G A P
4 SERVICE: Removal and Replacement of the HEPA/ULPA
Filter (Standard Unit)
WARNING!
Disconnect the unit from the electrical power source before attempting any
service.
WARNING!
The Standard Filter is protected with an expanded metal face screen. This is
never to be used to handle the filter. It is only for protection against an accidental
touch of the filter. Only handle the filter by the frame.
Tools Required: Phillips Head Driver, Battery Operated Drill with a 5/32 Drill
Bit, Rivet Hand Tool, Ø5/32 aluminum rivet grip range .126-
.187
Step 1. Remove unit from ceiling.
Step 2. Remove the 10 screws holding the HEPA/ULPA filter to the lid assembly.
Step 3. Lift the lid assembly off the HEPA/ULPA filter (see Figure 3). Remove Filter
deflectors using 5/32 drill bit. Keep filter deflectors to install in new filter.
Discard the used filter as per requirements of the applicable regulations.
Carefully install the filter deflectors into the new filter using the 5/32 rivets. Do
not touch or place the filter deflectors on the HEPA/ULPA media pack. This
could cause tears in the filter pack.
Note: Before replacing with a new HEPA/ULPA filter, carefully inspect the new filter for
any visible damage. Also inspect the gasket in the “tee” bar to insure a tight seal.
Replace as necessary.
Step 4. Replace with the new HEPA/ULPA filter and assemble by reversing the above
steps.
Figure 4 – Standard Filter Replacement
Lid Screw (10)
HEPA/ULPA
Filter
Lid Assembly
ON/OFF
Switch
#8 SCREWS (10X)
Ø5/32 RIVET (6X)
FILTER DEFLECTOR
Speed Control