MAINTENANCE TUNE-UP FOR 9 YR A/C UNIT. CHECK THERMOSTAT, AIRFLOW, AIR FILTER, DRAINAGE, FREON LEVELS, COMPRESSOR DELAY SAFETY CONTROLS, VOLTAGE, AND AMPERAGE ON MOTORS. LUBRICATE ALL NECESSARY MOVING PARTS, AND ADJUST BLOWER COMPONENTS. CLEAN AND CHECK CONDENSER COIL. CHECK ALL ELECTRICAL CONNECTIONS. EVERYTHING IS OPERATING GOOD.