Donaldson Company, Inc.
26
1. Attach the motor to the motor mounting plate
with four (4) mounting bolts and washers.
Torque down the bolts to the following
specifications:
Motor
Torque (ft./
lbs.)
Bolt Size
1 HP
15
3/8-in
2 HP
15
3/8-in
3 HP
15
3/8-in
5 HP
35
1/2-in
2. Loosen the two set screws in the fan wheel and
slip on to the motor shaft. The key in the motor
shaft should be lined up with the slot in the fan
wheel. Adjust for 1/2-in clearance between the
fan wheel and the motor mounting plate and
tighten the set screws.
3. Use sealer between the blower housing and the
motor mounting plate before attaching the
motor/fan assembly to the blower housing. If the
blower housing was not factory installed to the
unit, use sealer between the blower housing and
the unit as well.
4. If the blower housing was not factory installed,
mount it to the TBV unit using eight (8) 5/16-
in bolts, flat washers and nuts as shown. Make
sure that the sealer is already between the blower
housing and the unit (see Step 3).
5. Attach the motor/fan assembly to the blower
housing with eight (8) bolts, washers and lock
washers. Make sure that the sealer is between the
housing and the unit (see Step 3).
Motor to Fan
Detail A
motor
1/4-in bolt
1/4-in lock washer
1/4-in flat washer
fan wheel
1/4-in diameter
sealant
blower housing
TBV cabinet (reference)
motor
mounting
plate
fan wheel
1/4-in diameter
sealant
5/16-in
lock washer
5/16-in
nut
5/16-in
flat washer
5/16-in bolt
3/8-in or 1/2-in internal
tooth lock washer
3/8 or 1/2-in bolt
1/2-in clearance
between fan wheel
and mounting plate.
motor
mounting
plate
motor
Radial Blade Power Pack Installation
Summary of Contents for TBV-2
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