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3. Identify the installation template from the upgrade kit
packaging. Install the template onto the air cleaner
enclosure as shown in Figure 9.
NOTE: THE TEMPLATE MUST BE PUSHED
TOWARDS THE BACK OF THE AIR CLEANER
ENCLOSURE UNTIL THE FRONT FLANGE OF THE
INSTALLATION TEMPLATE IS FULLY SEATED
AGAINST THE LEADING EDGE ON THE ENCLOSURE.
THE TEMPLATE MUST ALSO BE PUSHED TOWARDS
THE ONE INCH U CHANNEL FILTER RAIL AS SHOWN
IN FIGURE 8. IF THE TEMPLATE IS IMPROPERLY
USED, THE FILTER COMPONENTS WILL NOT FIT
INTO THE AIR CLEANER ENCLOSURE CORRECTLY.
4.
Leaving the template in place to prevent the drill bit
from "walking", use the provided drill bit to drill two holes
in the air cleaner enclosure. Do not try to mark and then
drill the holes, because the drill bit will have the
tendency to "walk" on the flat sheet metal case. This will
cause the metal rail to be installed incorrectly.
5. Use the provided screws to fasten the rail into place.
The metal tabs on the rails should be facing the front of
the air cleaner enclosure. After installed, one of the tabs
will be flush with the front of the enclosure and the other
will extend past the front edge of the enclosure.
6.
With the rail now firmly affixed to the air cleaner
case with two screws, it may be desirable to add an
optional third screw on the rail for extra support. A third
hole is provided for this purpose, as well as a screw.
Use the existing hole located in the center of the rail as
a guide much like the installation template was used
earlier to prevent the drill bit from walking.
Pub. No. 18-HE56D1-3
Field Upgrade Guide
Figure 9
Figure 10
Figure 11
Figure 12
PUSH
PUSH
PUSH
5
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