Exhaust Fan Preventive Maintenance
Exhaust Fan Preventive Maintenance refers to the routine inspection, cleaning, and servicing of exhaust fans to ensure optimal performance, longevity, and safety. This process includes checking motor function, blade condition, airflow efficiency, and electrical connections to prevent unexpected failures and maintain proper ventilation.
Hypertherm - NH Facilities
04/04/2025
Exhaust Fan Preventive Maintenance
Exhaust Fan Preventive Maintenance refers to the routine inspection, cleaning, and servicing of exhaust fans to ensure optimal performance, longevity, and safety. This process includes checking motor function, blade condition, airflow efficiency, and electrical connections to prevent unexpected failures and maintain proper ventilation.
Check for any exterior fan or curb for damage, corrosion, deterioration, or leak
Does unit have easily accessible voltage/amperage measurement location? (IE; a disconnect).
if the answer is "oneOf [Yes]"
Verify primary voltage
Check motor amp draw
Inspect wiring and tighten all easily accessible electrical connections
Is unit belt driven?
if the answer is "oneOf [Yes]"
Adjust,align,tighten sheaves and belts. Replace belts.
Check bearing wear and lubrication
Verify blower wheel/fans are clean and balanced
Check all shaft set screws for tightness.
Check Louvers and dampers for cleanliness and smooth operation.
Check vibration insolators to ensure they are not deteriorated
Sign off on the exhaust fan PM
Click here to sign
Source: Hypertherm - NH Facilities (Community Member)