Part No. 4801-5327 Rev 6/07
Mega-Flow Butterfly Cone - Unassembled
Page 6 of 12
Detail A
2.5"
1.5"
4.25"
2.612"
6.
Insert shaft assembly into the bearing pillows as shown in Detail A. Slide shaft assembly into bearings to a distance of
1.5" (3.81 cm) between the flange on the bearing pillow and the pulley as shown in Detail A. Lightly tighten the lock
screws on the bearing pillows.
7.
Refer to Figure 3. Assemble the Side Panels (0404-8300 and 0404-7553), the Top Panel (0404-7552) and the Bottom
Panel (0404-7551) to the Straight Orifice (0404-8256) using 32 Fan Screws (1004-8030).
8.
Refer to Figure 3. Attach the Internal Fan Assembly
to the Butterfly Cabinet using Bolt (1002-2374) and
Lock Nuts (1001-1457). Attach the Cone Support
Bracket (6403-3160) to the top Panel with the same
bolts on the Internal Fan Assembly.
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
(6403-5017) using Key Shear (1019-2417). Align
the Discharge tip of the blade with the edge of the
orifice. See Details A and B.
Straight Orifice
(0404-8256)
Figure 3 – Butterfly Fan Assembly
Detail B
Align Fan Blade
with edge of orifice.
3 Blade Prop
(6403-5017)
Lock Nut
3/8 x 16
(1001-1457)
Bolt
3/8" x 16 x 1
(1002-2374)
Internal Fan
Assembly
from Step 4
RH Side Panel
(0404-7553)
Fan Screws
14x1/2 PH
(1004-8030)
Top Panel
(0404-7552)
Bottom Panel
(0404-7551)
LH Side Panel
(0404-8300)
Cone Support Bracket
(6403-3160)
Tension Latch
(1040-0105)
Rivet
(1005-5006)
Motor
Belt
(1022-3107)
Key Shear
(1019-2417)
Prop Spider
(Blades not Shown)
Shaft Flush with Inside of
Hub
Shaft Flush with Plastic
Pulley Hub
