Part No. 4801-5327 Rev 6/07
Mega-Flow Butterfly Cone - Unassembled
Page 11 of 12
INSIDE
OUTSIDE
BOTTOM INSIDE
25.
Assemble the Inlet Frame using 12 rivets (1005-1464).
See Figure 15. Place the Screen Guard into the opening
and bend the 12 tabs over the screen wire. See Detail A.
26.
Install the Fan Inlet Frame with Wire Guard by
lifting the bottom into the slot at the bottom of
the fan housing. The Wire Guard has a cut
opening hole for the motor. Use two spring
latches on either side of the fan housing to
secure the Inlet Frame. See Figure 15.
27.
There are two unused holes in the bottom of the
cone. For reference refer back to Figure 10. Place a
3/8” bolt and nut in these holes to prevent light from
passing through. See Figure 16.
28.
There are two pre cut drain holes in the bottom of the fan
housing in either corner and one in the bottom center of
the cone. These may be opened if necessary. See Figure
16.
29.
Affix labels to fan as shown in Figure 17.
30. Connect power to fan and verify proper operation.
31. Fan and Cone installation complete.
Figure 15 - Install Fan Inlet Frame
Fill
unused
holes in
cone
Water
Drain
Holes
Wire Guard
opening for
motor
Figure 16 – Fill Unused Holes in Cone
Figure 17 - Affix Labels
Warning Hand
(4501-1116)
Danger Hand
(4501-2622)
Made in USA
(4501-2957)
Danger Head
(4501-2620)
MEGAFLOW
(4501-6084)
Bearing
Maintenance
(4501-6128)
Rotary
Tensioner
(4501-6129)
Patent Pending –Large
(4501-5046) Place on
damper door
