Hired-Hand External Damper Fans - Manual (Page 8)

Part No. 4801-5402 Rev. 2/09 Mega-Flow External Damper Fans & Cone Page 8 of 13
Mounting Brackets
13.
Install the cone Mounting Brackets to
the fan housing using two3/8”-
16x3/4” carriage bolts in each
mounting bracket.
14.
Mount cone to fan. Bend the
mounting brackets back slightly to
help clear the area of the cone
edges. Hang the centered slot in the
small end of the cone over the Pim
screw mounted on the Fan housing.
See Figure 6. Screw can be
fastened with ¼”x20 lock nut, if
necessary (not included).
15.
Align the cone over the remainder of
the fan housing. Using four
1/4”-20x3/4” Truss Head Phillips
bolts and 1/4-20 lock nuts, insert the
bolts from the inside of the cone.
See Figure 7.
Cone attaches over
the top Pim screw
Figure 6: Install Cone Mounting Brackets