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Old 09-03-2014, 06:11 AM   #1
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1970 27' Overlander
louisville , Kentucky
Join Date: Aug 2014
Posts: 4
1970 Overlander Airstream project - Help!

Ok we got a wonderful deal on our Overlander, but now the fun begins. We have the usual rear end rot and we have removed the bathroom fixtures and now we are ready to tackle the floor removal and the rear compartment/bumper removal. Looking for help on how to remove the rear compartment/bumber and the rear belly pan that has the black water tank. Please help :-)
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Old 09-03-2014, 07:46 AM   #2
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1973 21' Globetrotter
Houston , Texas
Join Date: Sep 2009
Posts: 2,262
I would recommend starting by going around the entire interior perimeter of the trailer and verifying that the rest of the floor is solid. Areas of usual concern are behind the refrigerator, around the front door, under any windows. If you find too much rot, it may make sense to go for a shell-off floor replacement from the start.

Anyway, to answer your question, step 1 is to remove the lowest piece of trim that wraps around the rear of the trailer. This will expose the interface between the shell and the belly skin that wraps up to rivet to the shell, and between the banana wraps and the shell. You can then remove the bellypan/banana wraps--they are just held on with pop-rivets. The bumper trunk is all held together with pop rivets as well. If you find yourself drilling out any bucked rivets, you are going in the wrong direction. The bumper is just held on by two screws on the top and two on the bottom, that fasten the bumper to the ends of the frame rails.

Have a good look at the condition of the rear center panel, where it rivets to the rear steel hold-down plate. If you have serious rear end separation, the aluminum panel may be very corroded, and the rivets may be ripping out of the panel.

good luck!
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