Sep-07
UNPACKING
Once the packaging has been removed inspect the unit carefully. Check for loose, missing, or damaged parts. Rotate
the wheel by hand to ensure the wheel spins freely. Tighten all set screws.
INSTALLATION
1. Complete ductwork termination to the top of the curb per Figure 2.
F
igure
2:
Installat
i
on
Me
thod
Not
e:
Ch
e
ck th
e
i
nt
eri
o
r
of th
e
blow
er
ho
u
s
i
n
g
. It sho
u
ld b
e
cl
e
an and f
ree
of d
e
b
ri
s.
2. Hoist the exhauster onto the curb. This may be accomplished by attaching hooks into the eye hooks provided.
Do not lift unit by placing a sling around the shaft.
3. Position exhauster onto curb and secure using hinge kit provided in the parts bag. Note: Bottom bolt on hinge kit
should be tightened during operation and moved to the center hole when opened.
4. Rotate the blower wheel by hand. It should not rub against the housing inlet. If rubbing occurs, loosen the set
screws on the wheel hub and shift the wheel to obtain clearance. Retighten all set screws.
5. Insert the four 3/8” bolts through the slotted motor platform to match the bolting configuration of the motor to be
installed. Note: Loosely mount the motor to the sliding motor platform using the four 3/8” hex bolts, nuts and flat
washers provided.
6. Mount the blower sheave on the blower shaft and tighten its set screw securely on the key of the shaft. (See
Table 1 for Drive Data)
7. Mount the motor sheave on the motor shaft. Leave some clearance between the pulley and the motor end bell.
Tighten the set screws on the key of the motor shaft.
8. With the motor positioned as close as possible to the blower shaft, install the V belt within the sheave grooves.
Adjust the sheave on the blower shaft to ensure proper pulley alignment (See Figure 3) and secure in place. A
straight edge across the face of the driven pulley should be parallel to the belt once proper alignment has been
achieved. (see Figure 3)
