| Swapping Rooftop AC Question [message #221555] |
Sat, 07 September 2013 20:41  |
MikeT
Messages: 225
Registered: November 2009
Location: Marine City, Michigan
Karma: 0
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My coach has the original rooftop AC that really doesn't work. My parts coach has a much newer AC that works well. I want to swap them out.
I have all the bolts and screws out from inside and am now ready to remove AC from the roof. Any tricks to getting it free from the adhesive?
When I put the new AC on, can i just use thick butyl tape as the new gasket or do I need something better?
Thanks
Mike Thomas
Marine City, MI
77 ex Palm Beach
[Updated on: Sat, 07 September 2013 20:42] Report message to a moderator |
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| Re: [GMCnet] Swapping Rooftop AC Question [message #221560 is a reply to message #221555] |
Sat, 07 September 2013 20:49  |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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Most RV stores have a foam square seal that is used to mount the AC unit on the roof.
JR Wright
78 Buskirk Stretch
75 Avion
Michigan
On Sep 7, 2013, at 9:41 PM, Thomas Mike <Mtt2961@gmail.com> wrote:
>
>
> My coach has the original rooftop AC that really doesn't work. My parts coach has a much newer AC that works well. I want to swap them out.
>
> I have all the bolts and screws out from inside and am now ready to remove AC from the roof. Any tricks to getingt it free from the adhesive?
>
> When I put the new AC on, can i just use thick butyl tape as the new gasket or do I need something better?
>
> Thanks
> --
> Mike Thomas
> Troy, MI
> 77 ex Palm Beach, 77 Royale (rear bath)
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: Swapping Rooftop AC Question [message #221592 is a reply to message #221555] |
Sun, 08 September 2013 07:30 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| MikeT wrote on Sat, 07 September 2013 21:41 |
My coach has the original rooftop AC that really doesn't work. My parts coach has a much newer AC that works well. I want to swap them out.
I have all the bolts and screws out from inside and am now ready to remove AC from the roof. Any tricks to getting it free from the adhesive?
When I put the new AC on, can i just use thick butyl tape as the new gasket or do I need something better?
Thanks
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Mike,
As a guy that used to remove his rooftop A/C several times a year, (I needed about 1-1/2 inches less to clear the barn door) it should be no problem.
They are set on a foam gasket that may be stuck either to the A/C unit or the roof. In either case, if it sticks the unit down, then it will probably tear as soon as you try to lift it.
The hardest part is always the lifting and lowering. I used a tree for that. I know you don't have a tree handy at home, but I can lend you tackle if you find one (Or a barn, bridge or hoist frame).
If you have questions/problems - Call I am less than an hour away.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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