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Stabilizing A/C System

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  1. Once manifold gauge set is attached to system and test hoses have been purged, system is ready for testing. Place all test hoses, gauge set and other equipment away from all moving parts of engine.
  2. Start engine, and turn A/C controls to maximum cooling position (full cold or MAX A/C). Set blower fan on high speed. Open doors and/or windows. Operate system for 5-10 minutes. System should now be stabilized and ready for test readings.
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