Maintenance Tips
You can carry out some maintenance checks yourself.• Clean the dust and dirt off inside and outside coils before each summer cooling season.
• Be sure that the blower and electric motor on the unit are lubricated; follow the manufacturer's recommendations.
• Check the tension on the fan belt in a central forced air system; you should be able to press this down between 1/4 and 1/2 inch. If more or less than this, change the tension by moving the adjusting screws found on the mounting frame that fastens the motor to the blower housing. If in doubt check the instruction manual.
• Check the filters on the unit and clean or replace them where necessary. In a central cooling system, the filters should be checked once a month as in the heating season. Make sure that shrubs and grass outside can't block the flow of air through the condenser and that the outside area is kept clean.
• During winter, either remove window-mounted units and seal the window, or seal the unit on both sides with plastic, wood or a piece of styrofoam. Tape it up well so that cold air won't infiltrate.
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Maintenance Tips
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January 7, 2009