Quote:
Originally Posted by By the Bay
...So, it needs reinforcing in the ceiling when my Armstrong is removed? and alterations due to interior or exterior curves? What would that entail?...
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You can see the
Armstrong pan here, with all its tabs along the edges. You can bend the tabs down with a mallet (gently, gently) and leave the pan in place. That will give you a flat surface for your new A/C. You can also see the reinforcement wood pieces I used to provide the stiffness in the shell, but the pan should do that by itself.
Sometimes it's difficult to get the old A/C off of the pan, so
removing the pan is the best option. If you do that, you need to put rivets in all the old pan attachment holes in the shell.
Both these threads show how to put the reinforcement in between the inner and outer skin. In my
Caravel, the inner ceiling skin was realtively flat, which made installing the diverter and control panel a snap. The Overlander, on the other hand, was curved like the outside, and I maintained that curve.... Oops. Wish I had flattened the inside shape--the diverter doesn't fit worth a crap. One of these days...
The center ceiling skin is not structural. I repeat, NOT. In the Overlander, I've cut it into 4 sections to make it more manageable. For one person, it is almost impossible to get the single piece ceiling removed. It is definitely impossible to reinstall it by yourself.
Zep
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