Exhaust Fan Maintenance Suggestions, How to maintain an exhaust fan

Exhaust fan maintenance suggestions speaks to how to maintain an exhaust fan and a schedule of tasks for such.

Quarterly

Check cleanliness of the fan. Clean as required.

Check switch operation. Repair as required.

Check fan belt tension. Check for belt wear and alignment. Replace if necessary to ensure proper operation.

Check drive alignment, wear, bearing and coupling seating and operation. Repair and replace as needed.

Check fan blades. Clean, repair or replace as needed to ensure proper operation.

If field serviceable lubricate bearings.

Measure motor amperage using a C clamp amprobe. Increased current flow may indicate that bearings are seizing.

If the exhaust fan is automatically controlled check thermostat operation.

If the exhaust fan is interlocked with the operation of other fan systems check sequence of control. Building Maintenance Checklist

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