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Old 03-30-2014, 07:35 AM   #5
RT Firefly
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City: Slicker?
Join Date: Oct 2007
Posts: 16,566
Greetings,
Mr. b. I would hold off on the silicone spray initially. Start with the window that already has some movement. Once you get it to open, it might be easier to visually assess just what the problem is. Make up a soap solution and flood the track all around inside and outside. A spray bottle will allow you to flood the vertical surfaces. Mr. G's suction cup suggestion is a good one. I picked up a couple of those at Harbor Freight for a couple of bucks. Gently work the window back and forth. I would suspect the frames are aluminum extrusions with some convoluted meshing surfaces and the trick is going to be to get your solution into the deepest cracks and crevices. If you have an air compressor it might be possible to blow the solution along into the track. A compressor will also help to blow the soap solution OUT of the track giving you a drier surface to apply your penetrant (As you suggested, Kroil, PB Blaster etc.) Heck you might even try CLR before you apply the oils.
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