AC–5 AIR CONDITIONING SYSTEM – GENERAL DESCRIPTION HANDLING PRECAUTIONS FOR REFRIGERANT 1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME 2. ALWAYS WEAR EYE PROTECTION AC2810 AC2811 3. BE CAREFUL THAT LIQUID REFRIGERANT DOES NOT GET IN YOUR EYES OR ON YOUR SKIN If liquid refrigerant gets in your eyes or on your skin: (a) Wash the area with lots of cool water. CAUTION: Do not rub your eyes or skin. (b) Apply clean petroleum jelly to the skin. (c) Go immediately to a physician or hospital for professional treatment. HANDLING PRECAUTIONS FOR REFRIGERANT CONTAINER 1. NEVER HEAT CONTAINER OR EXPOSE IT TO NAKED FLAME 2. BE CAREFUL NOT TO DROP CONTAINER AND NOT TO APPLY PHYSICAL SHOCKS TO IT CHARGING AND LEAK–CHECK METHODS Evacuate the refrigeration system according to the following procedures. 10 min. Leave for 5 min. Start Evacuation Stop Evacuation Airtight Check Refrigerant Charge Gas Leak Check Refrigerant Charge Check and correct pipe joints Abnormal indication of manifold gauges Fill refrigerant in gas state until gauge pressure reads 1 kg/cm2