Hi Kevin,
Based on information originated by National Aviation Enterprises over twenty years ago, it sound like your windows are contacting the inner skin (Pt. No. 31035, Fig. 10 #30 in Parts Catalog) on the way down the track. The bench seat back frame attaches at the bottom to the inner skins. Structural damage to skins is not unusual. If bowed outward, these scrape your side windows.
The bench seat back frame has two triangular supports and adjustable-length rods connecting it through the rear spar. Remove the fastener connecting each bench seat back frame to each inner skin. The forward end of each (correctly installed) rod should have a clevis secured with a jam nut. Loosen the jam nut, remove the bolt from the clevis and screw the clevis OUT about 1/8" ( to move the lower seat frame forward 1/8"), replace the bolt and secure the jam nut.
The inner skin should now be free to move inward approximately 1/4, which should eliminate any possibility of further interferance with a side window. If necessary, rivet in a U-shaped reinforcement and redrill a hole in the bottom of the inner skin to properly line up with where the bolt hole in the bench seat back frame now is.
Regards,
William R. Bayne
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(Copyright 2002)
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On May 27, 2004, at 1:34 PM, Kevin Gassert wrote:
I just replaced my webs and my windows are hard to close also. They are OK until almost closed. The bottom of the window where the aluminum in attached is hitting the felt and binding. If the felt was a couple inches longer or shorter I would not have a problem.
Kevin
