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Old 07-02-2016, 04:25 PM   #71
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1969 27' Overlander
1976 Argosy 28
Lodi , California
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My Ac is no longer blowing cold air but the compressor and fan work. We took the shroud off and all looks fine. It does have this valve on it. Does this mean it can be recharged? Is there a solution that can be added to see if there is a leak? What do I need to do besides acquiring R-22? Click image for larger version

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Old 07-02-2016, 04:55 PM   #72
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The quick answer is yes - it can be recharged. And yes, you will need R-22.

The rest of the answer is that you need to figure out what happened to the R-22 that was in the system, like where it leaked out. Fix the leak, hook up a vacuum pump, charge just the right amount of refrigerant. If this doesn't sound familiar, get some help.
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Old 07-03-2016, 05:40 AM   #73
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To find an obvious leak, you can put compressed air in the system. Listen for a leak and measure how long it takes for the pressure to drop down. If it's a slow leak, you probably won't hear anything.
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Old 08-11-2016, 05:50 PM   #74
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The compressor was $200, the fan motor was $50, the reversing valve was $40 and the filter/drier was $30. Plus another $75 for copper and other small stuff. Total of about $400. A Coleman 15K BTU heat pump is $731 at PPL.
We are on the fence right now between replacing with a new A/C or trying to repair the Armstrong. We have a 1971 Airstream. I looked up the two part numbers you listed for compressors, granted you bought yours five years ago for $200.... the ones I'm finding are in the $350 range plus shipping. Do you have any sites that I might could find one cheaper?
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Old 08-12-2016, 07:23 AM   #75
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We are on the fence right now between replacing with a new A/C or trying to repair the Armstrong. We have a 1971 Airstream. I looked up the two part numbers you listed for compressors, granted you bought yours five years ago for $200.... the ones I'm finding are in the $350 range plus shipping. Do you have any sites that I might could find one cheaper?
That's about how much they were when I replaced mine, so I think $350 is a pretty standard price. I shopped around and got the rotary compressor cheap off of eBay. I'd recommend sticking with the stock compressor unless you are familiar with A/C systems.
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