Product Manual

3
MAINTENANCE
The fan you have purchased is built with heavy duty components, designed to give you many years of worry-free performance.
Like anything else that is mechanical, your fan will require a small amount of periodic maintenance to assure maximum efficiency.
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t PRESSURE WASHING WILL VOID WARRANTY.
t %o not use harsh chemicals or cleaners to clean any part of the fan.
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CAUTION: Fasteners may loosen over time. It is important to check and tighten fasteners frequently.
CAUTION: Inspect fan components and fasteners frequently for corrosion. Replace any corroded fasteners or parts.
Disconnect power before cleaning or maintaining your fan in order to prevent serious injury or death.
PERFORM EVERY 6 MONTHS
Clean motor, fan blade and guard option
!
SET SCREW TIGHTENING SCHEDULE
1. Before initial operation of the fan, tighten set screws according to the procedure outlined below.
2. After 500 operating hours or three months, whichever comes first, tighten set screws to the full recommended torque.
3. At least once a year, tighten set screws to the full recommended torque.
PROCEDURE FOR TIGHTENING SET SCREWS IN BEARINGS AND BLADES
ONE SET SCREW APPLICATION
Using a torque wrench, tighten the set screw to the full torque recommended in Table 1.
TWO SET SCREW APPLICATION
1. Using a torque wrench, tighten the one set screw to half of the torque recommended in Table 1.
2. Tighten the second set screw to the full recommended torque.
3. Tighten the first set screw to the full recommended torque.
Set screw
diameter
Torque
(in-lbs)
#10 35
1/4 80
5/16 120
3/8 240
Table 1. Recommended
Tightening Torque for
Set Screws
Fan blade rotation direction
POWERING THE FAN:
CAUTION:
ALL ELECTRICAL WORK SHOULD BE COMPLETED BY QUALIFIED
ELECTRICIAN AND MEET ALL NATIONAL, STATE AND LOCAL CODES.
!
INSTRUCTIONS FOR WIRING
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nameplate. Test to verify correct rotation.
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in the proper direction (see BLADE ROTATION ARROW LABEL on the fan housing).
Follow instructions on the motor label to change rotation if necessary.
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moisture away from the motor.
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