CLEAN AND CHECK A/C UNIT. CLEAN AND CHECK CONDENSER COIL, CHECK VOLTAGE AND AMPERAGE ON MOTORS. ADJUST BLOWER COMPONENTS, AND LUBRICATE ALL NECESSARY MOVING PARTS, CHECK THERMOSTAT, AIR FILTER, AIRFLOW, DRAINAGE, FREON LEVELS, COMPRESSOR DELAY SAFETY CONTROLS, ENERGY CONSUMPTION, AND ALL ELECTRICAL CONNECTIONS, DNS SA