Table of Contents
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1. Clean indoor and outdoor coils.
Indoor Coil — Use a hooked wire or bristle brush to
remove dirt from fins.
Outdoor Coil — Use compressed air or a vacuum cleaner.
2. Clean basepan and other painted surfaces.
3. Clean all drain passages.
4. Clean motor and fans.
5. Vacuum clean the insulation.
6. Paint parts that show evidence of rust with a good rust-
resistance paint.
SERVICE POINTS
(Check Annually)
7. Check refrigerant connections for evidence of leakage.
Repair if necessary.
8. Check wires for deterioration.
9. Fans should be tight on motor shaft.
10. Run the unit and eliminate any piping vibration.
11. Check thermostat capillaries for proximity to refriger-
ant tubing (should not be touching). Check to be sure
protective sleeve is in place.
9
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