4801-5327 Rev 1-15
Mega-Flow External Damper Fan - Unassembled
Page 8 of 24
5.
Install the Sheave Idler Assembly (Belt Tensioner) (1011-9005) using Screw (1004-1426). See
Figure 2
. Do
not tighten down screw. See
Step 13
for correct orientation.
6.
Refer to
Figure 3
. Assemble the Side Panels, the Top Panel and the Bottom Panel to the Orifice using 32 Fan
Screws (1004-8030).
7.
36” and 48” Fans: Refer to
Figure 3
. Attach the internal fan assembly to the inside face of the orifice at top
and bottom. Attach cone support bracket to top panel using bolts (1002-2374) and lock nuts (1001-1457).
8.
52” and 54” Fans: Refer to
Figure 4
. Attach the Internal Fan Assembly to the bottom Fan Cabinet using Bolt
(1002-2374) and Lock Nuts (1001-1457). Attach the Cone Support Bracket and internal fan assembly to the top
Panel with the same type bolts.
9.
Attach the two Tension Latches (1040-0105) to the right and left side panels with rivets. Refer to
Figure 3
.
10.
Refer to
Figure 3
. Attach the three Blade Prop using Key Shear (1019-2417). Align the Discharge tip of the
blade with the edge of the orifice.
