reusing the aluminum extrusions from floor boards

Joined
May 1, 2011
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22
Hi everyone, I have a used Achilles 14 with badly deteriorated plywood floor sections. I would like to separate the aluminum extrusions/frames from the old plywood but looks as though the plywood was press fit into the extrusions (and probably some wood swelling as well). Is there any trick to getting these off without damaging them so that I can still use them as a template.
Thanks in advance for all your help.
 
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