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Old 05-27-2010, 01:50 PM   #1
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Question AC removal-real time question

Thought I'd ask here before I ruin something. Here's a pic of where I'm at with the removal of the inside part of the Armstrong air conditioner. I thought (1st mistake) that I'd be able to remove the inside portion so that I can remove the ceiling panels. Looks like the copper tubing is connected thru the roof to the outside and all is soldered. So is the only way to remove this by cutting the copper tubing? Is freon (assuming there is any left) going to drip/pour out if I cut them?
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Old 05-27-2010, 01:51 PM   #2
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Here's a pic

Thanks.
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Old 05-27-2010, 02:08 PM   #3
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If there is freon in the lines, it will vent if they are cut. Since the older air conditioners use R22, deliberate venting is a federal crime. Also, any liquid that escapes will rapidly cool to below-freezing temperatures, and can cause frostbite.

If you heat the copper lines to unsolder them, and there is freon in the lines, you may end up starting a reaction that produces phosgene gas, which is a deadly poison.
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Old 05-27-2010, 02:11 PM   #4
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This jest keeps getting better doesn't it! Now, anybody know how to remove it?
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Old 05-27-2010, 02:22 PM   #5
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If you're going to try to save the AC you're better off cutting the panels around it. If you're going to scrap it, the correct and proper procedure is to call an EPA certified contractor to reclaim the refrigerant for recycling. Most HVAC and commercial refrigeration contractors will do that for the price of a service call.
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Old 05-27-2010, 02:25 PM   #6
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Not going to cut the panels and not sure about keeping the AC as I don't know if it works. Can't really afford the time or the $$$$ to call a serviceman. Anybody else have any ideas.
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Old 05-27-2010, 02:33 PM   #7
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Quote:
Originally Posted by SilverHoot View Post
Not going to cut the panels and not sure about keeping the AC as I don't know if it works. Can't really afford the time or the $$$$ to call a serviceman. Anybody else have any ideas.
Is your A/S roadworthy? If so, you can take it to the tech's site and save some money.

Of course the best way to find out if the unit works even partly is to turn it on. If a line sweats, there's freon in it. They tell me the old Armstrong's are bullet-proof.
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Old 05-27-2010, 02:36 PM   #8
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I do not approve this message...

but just drill a pin hole in the line and wear glasses while doing so.

Do not breath the stuff and watch out for oil. (door and windows open)

This is a last resort idea.

or you could go to the hardware store and buy a saddle valve. This will install then you can tap the line for a safe removal of said gas.
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Old 05-27-2010, 02:37 PM   #9
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No, it's not even near road worthy( no axles) and I can't plug it in because most of the wiring is removed. I'm in the midst of a complete renovation. Just completed the new floor and wanted to remove the rest of the interior panels when I hit this snag.
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Old 05-27-2010, 02:45 PM   #10
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Unh, pull the top off the outside part of the AC and splice in an extension cord?
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Old 05-27-2010, 02:52 PM   #11
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Don't think I'll be putting it back together, switch is out, rivets drilled out , copper lines bent, raining in sheets....Probably electrocute myself!
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Old 05-27-2010, 04:51 PM   #12
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Question AC Removal

I haven't gotten that far yet but I can see I will face the same problem on my 68 Overlander. I was also interested in removing the original a/c unit in total but that might not be possible. It looks like you could cut the panel from the hole towards the center of the trailer to remove the interior panel without too much damage but that looks like the tip of the ice berg.
Thanks for the pics, I'm keeping tuned in for more advise.
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Old 05-27-2010, 05:04 PM   #13
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Actually have clecoed the inside part back up, remounted the switch and the copper lines that I thought would be bent are not. Sooo if I could just figure out which of the wires go to the AC I will try the extension cord idea, when it quits raining so probably tomorrow.
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Old 05-27-2010, 06:24 PM   #14
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Hi,

Maybe you could put it back together and ignore the AC for a while.
Just a thought.
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