Installation, Operation & Maintenance Manual
IM-5500
21
Energize
Energize motor long enough to start assembly
rotating, shut down
Verify direction of impeller rotation, rewire if
necessary
Note: Refer to Impeller Rotation section
Run the fan up to speed
Check for excess vibration and listen for unusual
noise. Refer to the
Vibration Guidelines
table in the
Troubleshooting Guidelines
section
for vibration limits.
Bearing temperatures should stabilize after a few
hours. Less than 200°F.
Note: Use sense of smell to identify possible electrical, belt issues.
After one Week
Verify bolt tightness.
Verify belt tension and adjust as necessary
Initial Fan Check
Inspect fan for damage
Are the bolts tight
Fan Impeller
Impeller overlap checked
Fasteners tight
Impeller rotates freely
Bearings
Bearings aligned
Bearings greased
Note: Rotate while greasing
Set screws tight
V-Belts (if equipped)
V-belt drives aligned
Sheaves retightened
Belt tension correct
Motor bolts retightened
Electrical Components
Motor wired for proper voltage
Motor grounded
Leads are properly insulated
Accessories wired per instructions supplied.
Installation/Start-Up Checklist
Become familiar with the equipment by looking at the fan assembly drawing for special
instructions and accessories.
Verify that proper safety precautions have been followed.
Electrical power must be locked off.
WARNING
Serial Number:
Completed By:
Date Completed:
NOTICE
Always observe site specific and regulatory safety precautions.
Twin City Fan
