Top
of
Fan
Rubber Gasket Installation:
• Starting on one side of the damper door mounting bracket peel the
backing off the rubber gasket 1’ at a time and with the raised portion to
the center and flush to the interior of the venturi stick it to the housing.
• Continue to stick the gasket around the circumference until you come to
the damper door mounting bracket, trim flush with end of bracket
• Repeat for other side of the housing opening.
• Go back and press down on the flat part of the gasket all the way
around the housing to make sure it is stuck down.
11
Damper Door Mounting Bracket Installation:
• Using the illustrations below identify the top and bottom of the damper
door mounting bracket
• Arrange bracket so that the top of the bracket is matched to the top of
the fan
• Using the center holes on the damper door mounting bracket align
the bracket with the seams of the assembled venturi as shown below
10
Damper Door Striker Plates Installation:
• On the edge of the housing venturi under the just placed rubber gasket
locate the 4 striker plate grooves nearest the center of the fan venturi,
(
do no
t use the ones nearest the top or the bottom of the fan).
• Carefully lift off the rubber gasket over the striker plate groove and insert
(1) SS
Damper Door
Striker Plates from Bag 9 (Misc. Hardware)
at each location, angle the striker plate so the angle matches the fan
housing. To secure the striker plates, press the rubber gasket back down.
NOTE:
No hardware is used to secure striker plates at this time.
12
Attaching Magnets to Damper Door:
•
Identity the back and front of the damper doors. The magnet will be
attached to the back of the damper doors
• Get
(1) #4-40 x 3/4”
Screw from Bag 4 (Damper Doors)
and assem-
ble
(1) Damper Door
Magnet
then (1) 1/2” OD 1/8” ID
Nylon Spacer
from Bag 9 (Misc. Hardware)
onto screw, insert through drilled hole
and secure with
(1) #4-40
Lock Nuts from Bag 4 (Damper Doors),
using 1/16”
Hex Wrench from Bag 1 (Tools)
. Repeat until all (4)
Damper Door Magnets are installed.
13
IS295-21C
J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com
Page 7/13
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