SHIELD 0099741 - Caterpillar

Always wear goggles when working on air conditioning systems. The system is under pressure at all times, engine running or not. Escaping Freon -12 (CCI2F2 - Dichlorodifluoromethane) can cause freezing of human flesh. Do not smoke while working on air conditioning systems. INHALING R-12 THROUGH ANY SMOKING MATERIAL, ALTHOUGH NOT TOXIC OR FLAMMABLE CAN GENERATE LETHAL PHOSPHENE GAS AND CAUSE VIOLENT ILLNESS OR DEATH. ALSO, HEAT MUST NEVER BE APPLIED TO A CHARGED SYSTEM. See Air Conditioning And Heating Service Manual, Form No. SENR3334-01, for more information on removal and installation of lines and refrigerant from the system.
1. Open the left side engine panel. Remove the access panel below the left side engine panel.2. Purge the system. Refer to the topic "Purging the System" in the Air Conditioning And Heating Service Manual, form SENR3334-01, for this information. 3. Disconnect lines (5) and (6) from compressor (7). Plug and cap all openings to prevent contamination from entering the system.4. Remove electrical connector (1) from the support clip. Disconnect electrical connector (1).5. Loosen bolt (2) and two bolts (4).6. Move compressor (7) toward the engine and remove belt (3).7. Remove bolts (2), (4) and compressor (7).8. Install compressor (7) in the reverse order of removal. When charging the system, refer to the Air Conditioning And Heating Service Manual, form SENR3334-01, for this information.