36" (50485) & 48" (50454) Hyflo® Retrofit Kit
Installing the new Door Assembly and Cone
MV1902C
5
Attaching the Cone
Attaching Cone Brackets to Shroud
Use 5/16 x 1/2" Carriage Bolts
(Item 1, Figure 9)
and 5/16 Flange Nuts
(Item 2)
to attach the four
Cone Brackets
(Item 3)
to the Fan Shroud
as shown below
.
Attaching Cone to Cone Brackets
Mounting the Cone and Door Assembly to the Fan requires at least two people. Pick up and orient the
Cone with the Fan Cable attached at the top (
see Figure 8 on previous page)
and rest the Cone on
top of the Fan Orifice
as shown
. Attach the top of the Cone to the two top Cone Brackets
(Item 1,
Figure 10)
with the Bolts that were previously threaded through the Ring and Cone, and secure with
5/16 Flange Nuts
(Item 2)
. Only hand tighten the Nuts at this time. Working around the Fan Orifice
from inside the fan, in a circular motion, slide the Cone over the Fan Orifice. The Cone will Fit snug.
Use the Bolts previously threaded through the Ring and Cone and hand tighten the 5/16 Flange Nuts
to secure the bottom of the Cone to the two Bottom Cone Brackets
(Item 3)
.
Figure 9. Attaching Cone Brackets to Shroud
Item
Description
1
5/16 x 1/2" Carriage Bolt
2
5/16 Flange Nut
3
Cone Bracket
3
1
3
3
3
2
Step 2:
Slide Cone over Fan orifice and
fasten bottom Cone Brackets
(Hand tighten only).
Step 1:
Rest the Cone on the Fan
orifice and attach it to the
Top two Cone Brackets (Hand
tighten only).
Item
Description
1
Top Cone Bracket
2
5/16 Flange Nut
3
Bottom Cone Bracket
Cone resting on Fan Orifice
3
1
3
2
3
2
3
3
Figure 10. Attaching Cone to Cone Brackets