
20
Figure 15A
Step 15A
Install cone onto fan by putting the top of the cone over the top of the fan. The hole in the tab of the upper cone
section should slide down over the pin in the Main Frame assembly, then allow the rest of the cone to slide over
the rest of the orifice panel making sure the cone brackets remain on the outside of the cone.
See Figure 15A.
Frame Pin
Installation Instructions
Chapter 3
Hole in Tab of Cone Section
Step 15B
Place the end of the Cone Brackets with the single hole over the bolt holding the Cone/Strut Mounting Bracket
to the orifice and secure with Nut [DD].
See Figure 15B
. Secure the Cone to the Fan installing Medium Bolt
[BB]
and Washer [A]
through the remaining hole in the Cone Brackets and fastening with Nut [DD]. A long
screwdriver may be needed to help align the holes through the Cone Bracket, Cone, Damper Frame and
Orifice.
See Figure 15B..
Figure 15B
Nut [DD]
Medium Bolt [BB]
Nut [DD]
Washer [A]