MAINTENANCE TUNE-UP FOR 19 YEAR AIR CONDITION UNIT. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. CLEAN AND CHECK CONDENSER COIL. CHECK VOLTAGE AND AMPERAGE ON MOTORS. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, DRAINAGE, FREON LEVELS, COMPRESSOR DELAY SAFETY CONTROLS, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS RUNNING GOOD.