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    • September 22, 2024 at 2:03 am #5934
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      Keymaster

      I thought we had an article that provided the correct high side/low side numbers for an R12 OTR AC system, but I can’t seem to find it. Can anyone help me out? Thanks, Mel. Loc, did you see me waving as we went through Houston a while ago? Mother says she’s sleeping at home tonight, and I’ve got 3 hours left to go, so we couldn’t stop and hang out. See you next month! That’s a new spelling for “numbers.”

      September 22, 2024 at 2:04 am #5936
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      Keymaster

      These are from memory: about 35 to 38 on the low side and 160 on the high side. Maybe someone can jump in here with more precision. The pressures are temperature-related.

      September 22, 2024 at 2:05 am #5937
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      Keymaster

      the prevost car web site has the chart for r12 and r134.

      September 22, 2024 at 2:05 am #5938
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      Keymaster

      Thanks, Jack. I found it.

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