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  #1  
Old 05-27-2006, 09:06 PM
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When I open the A/C system, how long is too long?

Okay, bought the comressor, and expansion valve, and a receiver, an o-ring kit, have the freeze 12 from DG, and PSYCHED up about getting greasy this weekend. Then, I found out the Army Base Hobby Shop isn't open until next weds (96 hours from now). If I crack into the a/c, blow things out, new o-rings, reassemble, is it gng to hurt anything to have air in the system and no vaccum for almost 4 days? Should I wait till monday to crack it open (2days)?

System is currently R-12, all original so far. If the Hobby Shop has a reasonable price for R12 and it holds vaccum, I may fill with R-12.
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Old 05-27-2006, 09:11 PM
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Where's the dryer at on your list?
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  #3  
Old 05-27-2006, 09:13 PM
Craig
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Quote:
Originally Posted by Hit Man X
Where's the dryer at on your list?
He's got a new receiver, isn't that the same thing?
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Old 05-27-2006, 09:16 PM
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Receiver, dryer, yep, have one too. Thanks, Chuck.
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Old 05-27-2006, 09:23 PM
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Ah okay, didn't see it.
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Old 05-27-2006, 09:26 PM
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You should be fine. Don't forget the new mineral oil if you stick with r12.
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Old 05-27-2006, 10:41 PM
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Just don't open the drier until you are ready to hook up the vacuum pump.
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Old 05-27-2006, 11:05 PM
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I had this exact question, so I appreciate the answers also. And the question.....
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Old 05-28-2006, 02:24 PM
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Install the drier dead last before you seal up the system. Opening up the system and exposing the drier for very long will ruin the desicant. Make sure you pull a vacuum on it for about 1 hour and let it sit another to make sure there is no leaks.
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