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Isolating (Jeep)

  1. Connect pressure gauge and manifold assembly (J-23575). Close both gauge hand valves and mid-position both service valves. Start engine and operate A/C.
  2. Turn suction service valve slowly clockwise toward front-seat position. When suction pressure is reduced to zero or less, stop engine and compressor and quickly finish frontseating suction service valve.
  3. Front-seat discharge service valve. Loosen oil check plug slowly to release any internal pressure in compressor. Compressor is now isolated from system.
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