HVAC PRIME SOURCE, LLC

FANS

Maintenance

Following are some of the recommended performance monitoring and maintenance tasks. The frequency of these tasks should be as indicated or based on operating experience -

• Vibration Analysis - semi annual
• Greasing of fan bearings (not for sealed or double shielded bearings) - semi annual
• Greasing of fan motor bearings (not for sealed or double shielded bearings) - semi annual
• Drive belt inspection or replacement - annual
• Vane axial fan blades and hub inspection - annual

If the fan and/or motor bearings are sealed or double shielded, they should be replaced periodically depending on the vendor specified life.

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Last modified:12/15/2008