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Old 07-27-2014, 06:51 PM   #1
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Winnebago Chieftain air con

Hello all, new member here. I have a 1987 Winnebago chieftain 22' the a/c compressor has com apart inside and punctured the case. I have located a new sanden compressor and it is on the way. My problem now is the receiver drier. I cant find any source that shows one by application for a rv this old. my drier has an odd fitting threaded on one side that looks to have a check valve?.like the one on page 3 here only smaller( stamped size 4)

does anyone know what part number drier would be a direct fit?
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Old 07-27-2014, 08:45 PM   #2
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I guess I'd change out the compressor when the new one arrives, then take it to an automotive A/C shop to replace the receiver/drier, evacuate the system and recharge it. They'll know what the extra is on the receiver/drier and what it takes to replace it.

Bob & Donna
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Old 07-27-2014, 09:29 PM   #3
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That fitting (adapter) gets removed from your old dryer and installed on your new one.
Rick & Tonja
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Old 07-27-2014, 09:34 PM   #4
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As long as the new receiver has the same connections it doesn't matter that it is larger, provided it will fit in the space. You will have to add additional refrigerant. The receiver holds liquid when the compressor is operating so you could measure the difference and then figure the additional liquid ounces to add.
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Old 07-28-2014, 05:44 AM   #5
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Originally Posted by twn454 View Post
That fitting (adapter) gets removed from your old dryer and installed on your new one.
problem is I don't see driers with the correct inlet outlet fittings, the smaller one has an oring on the drier and the larger one has oring on the hose fitting. most driers are the same size inlet / outlet. and the ones that are close to the same are # 6 and 1/2" .. mine looks like #4 and half inch. my check valve fitting contains some orings that are damaged.
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