IS183-17E
J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com
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Using a 3/8” drill bit, drill a hole in the top of the venturi 1” from the edge.
Place guard inside venturi opening and secure top of guard to top of venturi
by inserting a 5/16” Carriage Bolt through guard mounting foot, then
through recently drilled hole in venturi secure with a 5/16” Nylock Nut.
Do the same for the bottom guard mounting foot. Do not tighten nuts and
bolts at this time.
Nut
Cone
Guard
Mounting
Foot
Carriage
Bolt
Assembly Side View
{
1”
Mark all remaining guard footing locations 1” from venturi edge. Drill holes
using 3/8” bit and insert bolts and nuts exactly as you did in step #1. Once
all bolts and nuts are installed, go back and tighten each securely.
Fan
Flange
Shutter
Clip
Rivet
Washer
Rivet
Washer
Fan
Flange
Shutter
Clip
3a
3b
Using the 14 pre-drilled holes in the housing flange attach all (14) shutter
clips with a rivet gun using (14) 3/16” rivets and (14) 3/16” backup
washers. Review the illustrations below for placement and assembly.
3
1
2
From the inside of your structure, insert fan into the finished opening.
Interior
of structure
Exterior
of structure
Airflow
Airflow
Airflow
Airflow
4
