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Old 07-28-2010, 10:51 PM   #1
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1976 31' Excella 500
Buckeye , Arizona
Join Date: Jul 2010
Posts: 1
Please Help. '76 Excella with Floor Rot.

Forgive me as I am new. I have read and read to try to find these answers, but I can not get a definitive answer.
When removing sub-floor from a 76 excella;
1. Do you have to remove belly?
2. Will I have to cut all bolts off?
3. What type of tool is best to cut these bolts off?
4. Will I have to remove bottom interior skin? It looks like the plywood would slide and sit under the skin on the lip/angle iron?

These bolts on the floors appear more like large screws, but will not turn.
Any help or guidance is much appreciated.
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Old 08-11-2010, 10:38 PM   #2
Join Date: Jun 2010
Posts: 2,601
Hello Lcubed. Removing the floor will require removing the belly. There are some bolts that are installed from below and some of those screws are really rusted and will have to be cut off from below. You will also have to remove the inner lower wall skins to get at bolts through the floor and the C channel that the outer skins and inner skins are riveted to. Around the rear and front of the trailer the c channel sits on top of the floor but along the sides the c channel has another section that the floor slips in to. Hope this information helps you.
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Old 08-24-2010, 01:37 PM   #3
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1976 31' Sovereign
Sandpoint , Idaho
Join Date: Aug 2010
Posts: 100
I am facing the same situation. I'm guessing that I can replace the floor without removing the shell... but will have to remove all of the belly. I'm just waiting for my copy of the service manual to show up from Airstream. Meanwhile, I'm slowly removing things from the back forward.

So Lcubed, have you taken the next step?

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Old 08-25-2010, 04:35 AM   #4
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1982 31' International
Orlando , Florida
Join Date: Aug 2010
Posts: 7
Be prepared for what you might find when you open her up. since I am in the middle of a 1982 renovation now. once you get under that floor .... whew... it could require quite a bit of work.

I dont think that you can replace the floor with out at least lifting the shell. because the floor is under the shell.
1982 AS International 31' under renovation!
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Old 08-25-2010, 05:28 AM   #5
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If you haven't already done so you might read Minno's thread.

Chris and Kay are in the midst of a complete reno/resto of their 31' Sovereign and the issues of floor removal, frame repair, and subfloor replacement are well covered starting somewhere around post #27.

Good luck,


"One of the best lessons I've learned is that you don't worry about criticism from people you wouldn't seek advice from."

William C. Swinney

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