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In attic reassemble channels and housing with the original bolts and lockwashers. Tighten these bolts
securely.
STEP 5B - With fan in attic remove adhesive backing from 1/2” x 1/2” gasket material and attach to the
two bottom flanges of fan which will rest on the joists. (Fig. 10.) Install grommet in bracket (Fig. 10) and
attach on each end of fan, using two of the short screws provided. Position fan over opening so that grom-
mets are resting against center joist. Attach fan and brackets to center joist with the two long wood screws
and flat washers. Do not crush grommet when tightening screws.
STEP 6 - Attach side panels to fan as shown using remaining short screws and washers. (See Fig. 11.)
Bottom panels should rest upon ceiling. Bend flaps on ends of panels back when inserting panels between
joists. These flaps will then spring back to seal off any space between panel and joist.
FIG. 8 FIG. 9
FIG. 10
FIG. 11
GROMMET
BRACKET
GASKET
5