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Seasonal Furnace Maintenance

By Bob Formisano, About.com

6 of 7

Lubricate Oil Bearings


If your furnace is older or if it has a motor without permanently sealed bearings, the bearings will need to be oiled. Find the oiling caps. They may also be on the bearing shaft. Drop a few drops of lightweight household oil in the oil spout below the caps. Don't over oil.

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