2ND MAINT. CHECK-UP UNDER SERVICE AGREEMENT FOR 4 YR A/C UNIT. EARANED SERVICE AGREEMENT. LUBRICATE ALL NECESSARY MOVING PARTS AND ADJUST BLOWER COMPONENTS. CHECK VOLTAGE AND AMPERAGE ON MOTORS. CHECK AIRFLOW, AIR FILTER, THERMOSTAT, FREON LEVELS, DRAINAGE, ENERGY CONSUMPTION, COMPRESSOR DELAY SAFETY CONTROLS, AND ALL ELECTRICAL CONNECTIONS. EVERYTHING IS OPERATING GREAT.