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Compressor Isolation Method: Installation

  1. Position compressor on engine, install compressor clutch using new retaining bolt and washer (energize clutch to hold shaft while tightening nut).
  2. Make necessary oil level adjustment. See Compressor Oil Check in AIR CONDITIONING SERVICING Section of this Supplement.
  3. Remove service valve caps and shipping plugs from compressor valve ports and immediately install service valves on compressor using new "O" rings.
  4. Without disturbing service-valve positions (front-seated), use vacuum pump to evacuate compressor, then close vacuum pump valve and stop the pump.
  5. Back-seat service valves to cut compressor into the system, operate system for 5 minutes at fast idle.
  6. Leak test compressor connections and compressor seal.
  7. Recheck compressor oil level, adding or removing oil as necessary for correct oil level.
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