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Old 06-14-2009, 03:48 PM   #1
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1966 26' Overlander
Commerce , Georgia
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AC Replacement 66 Overlander

Hi everyone, Want to install a new Ac unit and many other things and i am looking for all the advice i can get. Should i cut a new hole in the roof for the new unit or use the vent in the roof vent kitchen? I also need a new heater What unit will fit the 66 Overlander? Thanks for your help!
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Old 06-14-2009, 03:52 PM   #2
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Hi everyone, Want to install a new Ac unit and many other things and i am looking for all the advice i can get. Should i cut a new hole in the roof for the new unit or use the vent in the roof vent kitchen? I also need a new heater What unit will fit the 66 Overlander? Thanks for your help!
Hi Mark,
Welcome to the forums! I believe that your unit already has a support frame installed for AC installation. No clue on the furnace. Some of our 60's gurus will be chiming in shortly. I am more of a 70's kind of guy

Aaron
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Old 06-14-2009, 03:59 PM   #3
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Thanks, hopefully the support frame is there. Can i stand on top of the trailer?
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Old 06-14-2009, 04:04 PM   #4
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Thanks, hopefully the support frame is there. Can i stand on top of the trailer?
With some caveats: stay off the ends, try to stay on or close to the rivet lines indicating ribs, wear soft sole no slip shoes (I wear top siders) and if you are a heavy weight I wouldn't. FWIW I go about 215 and have been on top of my trailers many a time. For me the best method of access is to lean an 8' step ladder against the rolled up awning.

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Old 06-14-2009, 04:10 PM   #5
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Ok, I was wondering, i go about 215 also. Where is the best place to get parts?
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Old 06-14-2009, 04:15 PM   #6
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Your Overlander should have electric running to the location where the AC should be installed. I think the factory can tell you where to cut the hole and find the power line. You need to have spacers between the skins so that the new unit can clamp to the skin. I doubt that you have them in your trailer now. I replaced the AC on my 75 and had to add the spaces to install the new unit. Be careful on the roof, but it is very doable.
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Old 06-14-2009, 04:18 PM   #7
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Ok, I was wondering, i go about 215 also. Where is the best place to get parts?
I bought my unit from these guys:
eBay Store - FAMILY RV PARTS STORE: RV AIR CONDITIONERS, CARRIER A C OPTIONS, SATELLITE SYSTEMS
I bought the low profile Carrier 13.5K unit with the heat strip option. It was by far the best price I coulld find.
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Old 06-14-2009, 04:26 PM   #8
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Thanks Richard, I can see the wires on the inside they come through a hole. I will need a 14" x 14" hole, Right? Is the picture of you replacing your unit? I will check out the ebay store.
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Old 06-14-2009, 04:31 PM   #9
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14x14 is the standard hole size for the AC. Yes, that is me (with the hat) on the roof getting ready to drop the new unit on. I did the swap at the 4CU restoration rally in Albuquerque earlier this year. Getting the old unit off was a major PITA. Getting the new unit on was a lot easier. I had forums member Zep showing me the way on this, he was a life saver!
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Old 06-14-2009, 04:36 PM   #10
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Cool, So two ladders and a walk board just for extra support. Any thoughts for the heater replacement?
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Old 06-14-2009, 04:44 PM   #11
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Cool, So two ladders and a walk board just for extra support. Any thoughts for the heater replacement?
The original AC became a part of the roof.

It "DID NOT" have any framing built in.

When you install a new Ac, you will have to install a couple of "stringers" and cross members between those two stringers.

If not, the new AC will cave in the roof, when you hit the first bump.

Andy
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Old 06-14-2009, 04:48 PM   #12
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Drain

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I bought my unit from these guys:
eBay Store - FAMILY RV PARTS STORE: RV AIR CONDITIONERS, CARRIER A C OPTIONS, SATELLITE SYSTEMS
I bought the low profile Carrier 13.5K unit with the heat strip option. It was by far the best price I coulld find.
Were you able to get a drain pan on that unit,I`m wanting to put one on my GT ,but I don`t want the water running down the side.Dave
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Old 06-14-2009, 04:58 PM   #13
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Thanks Andy, I think i have seen photos of the installation somewhere. Do you have any suggestions for the heater, water heater,water pump etc.
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Old 06-14-2009, 04:59 PM   #14
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Were you able to get a drain pan on that unit,I`m wanting to put one on my GT ,but I don`t want the water running down the side.Dave
Carrier AC's, do not need a drain pan.

It would be a very rare day, that it would spill water out of itself.

Andy
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