2-69
johNSoN coNtroLS
ForM 102.20-N1 (1109)
2
Installation of 4” Amair 300x Pleated Filter
These instructions are for installing a four inch (4")
filter (typically AmAir 300X pleated filter) into 16 ga.
galvanized holding frames.
• Latches needed for these applications are four
(4) P/N 026-35778-007,
as shown in Fig. 2-98.
• A single latch should be installed at each of the
four (4) corners of the frame.
• The latch fits into the set of knockouts, which
consists of two (2) rows of three (3) knockouts.
The row of knockouts closest to the gasketing
should be used for filters with a 13/16” single
header in combination with a nominal 2” prefilter.
The second set of knockouts should be used for
nominal 4” filters.
installation of Spring latches
1. Insert the straight end of the latch between the two
(2) knockouts furthest from the corner
.
2. Using a moderate amount of pressure, force the
latch over the third knockout.
3. The latch installation is now complete. The latch
should now be “trapped” within the three (3)
knockouts
(see Fig.2-101).
Repeat the installation process with the remaining
latches.
Fig. 2-101 – CORRECtlY inStAllEd lAtCh P/n
026-35778-007
LD010177
4. Insert the filter into the frame.
5. After the filter has been placed into the frame,
grasp the loose end of the latch and place it over
the filter frame, so that the latch secures the filter
into the frame
(see Fig.2-102).
Repeat for the remaining latches.
Fig. 2-102 – PlACE thE End OF thE lAtCh
OVER thE FiltER FRAME,
SECuRing thE FiltER tO thE
FRAME.
6. The filter should now be securely installed into the
frame.
LD010179
Summary of Contents for YORK SOLUTION LD09624
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