CCI Thermal Technologies EFX - Explosion-Proof Exhaust Fan - Manual (Page 2)

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FAN MAINTENANCE CHECKLIST
For Explosion-Proof Exhaust Fan
PERIODIC (before and as required during heating season)
Remove dust using compressed air. Do not spray with water or solvents.
ANNUAL (before heating season)
WARNING
Fan should only be serviced by qualified personnel with HVAC equipment experience.
Disconnect fan from power supply before servicing fan. Lock the switch in the “OFF”
(open) position and/or tag the switch to prevent unexpected power application.
1. CLEAN Fan
Fan Guard
Motor
Backdraft Dampers
Stormhood
2. CHECK Motor for smooth, quiet operation
Dampers for proper angle and tightness
1. ELECTRICAL
Check all terminal connections and conductors. Tighten loose connections. Conductors with damaged
insulation must be replaced.
2. MECHANICAL
Check motor shaft bearing play. Replace motor if play is excessive or motor does not run quietly and
smoothly. Motor bearings are permanently lubricated.
Check fan. Replace immediately if cracked or damaged.
Check the tightness of all hardware. All nuts and bolts, including mounting hardware, must be tight.
TURN FAN ON FOR A MINIMUM OF 15 MINUTES. Check for air exiting fan through dampers and
smooth running of fan motor.
Heaters for the Harshest Environments