Twin City Hooded Tubeaxial Roof Fans (Non-Filtered) - IM-4850NF User Manual
Im-4850nf, Hooded tubeaxial roof fans (non-filtered), Inspect for missing or damaged parts
©2009 Twin City Fan Companies, Ltd.
• Fan sizes 14 to 42 are shipped fully assembled, unless otherwise specified.
• A minimum of two people are required for assembly. Before starting, review these instructions.
• The following tools are required:
- Powered screwdriver (preferred), or drill
- 3/8, 7/16, 1/2, 9/16 wrenches and sockets
- 5/16" nut driver bit for powered screwdriver
- Awl, for hole alignment
Fan Size/Qty
14
16
18
21
24
30
36
42
48
54
60
Panel End Assy, Male
1
1
1
1
1
1
1
1
1
1
1
Panel End Assy, Female
1
1
1
1
1
1
1
1
1
1
1
Hood Panel
2
2
2
2
3
5
5
6
7
7
8
Hood Side Rail Assy
2
2
2
2
2
2
2
2
2
2
2
Hood Gusset
0
0
0
0
0
4
4
4
4
4
4
Hood Clip
0
0
0
0
0
0
0
0
0
16
18
Hood Mount Bar
2
2
2
2
2
2
2
2
2
2
2
Bird Screen Assy, Fixed
2
2
2
2
2
2
2
2
2
2
2
Bird Screen Assy, Removable
2
2
2
2
2
2
2
2
2
2
2
HDWRKIT-LH01
Hardware Kit #1 - Hood
Qty
Item
12
Cap Screw, Serrated Flange Hex, 3/8-16 x .75
20
Hex Nut, Serrated Flange, 3/8-16
4
Cap Screw, Serrated Flange Hex, 3/8-16 x 1.25
72
Screws, #12
HDWRKIT-LH06
Hardware Kit #6 - Mesh Bird Screen (Size 24 to 60)
Qty
Item
10
Cap Screw, Serrated Flange Hex, 5/16-18 x .75
6
Nut Clip, 5/16
4
Hex Nut, Serrated Flange, 5/16-18
End Panel
Assy, Female
End Panel
Assy, Male
Hood Panel
Hood Side Rail Assy
Bird Screen Assy, Fixed
Bird Screen Assy, Fixed
Hood Side Rail Assy
Bird Screen Assy, Removable
Bird Screen Assy, Removable
Hood Clip (Size 54 and 60)
Hood Gusset
Hood Mount Bar
Inspect for missing or damaged parts
IM-4850NF
September 2009
Hooded Tubeaxial Roof Fans
(Non-Filtered)
INSTALLATION & ASSEMBLY MANUAL