Pivot bar

A handy person from Lemoore, Ca. says:
I have ordered the new pivot bars and read about how to access the pin holding it in place, but my windows have rusted bolts holding the sash together and I have been using WD 40 for several days with no improvement. I am thinking of purchasing an impact driver but wonder about replacement screws. Do you know if the screw holding the sash frame is a standard screw that can be replaced easily? I don't want to destroy the screw then find out I cannot replace it. I can get the window in and out without working pivot bars, but it is hard.

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Dave Sr. from SWISCO responded:
Concerning how easy it would be to replace the screw, it really depends on what kind of pivot bar you have. If possible, I'd like to see a picture or two of your window and pivot bar to get some idea of what you need.

To give some general tips, what I have done in the past was to cut a slot into the screw head so that I can try to get at it with a flat head screwdriver. I have also used a little heat to soften the frame a bit to make it easier, but I would advise against this. Too much exposure to heat could permanently damage the window frame. I've only done this in a desperate, last ditch effort, and even then I didn't like having to resort to it.

For the screw itself, normally screws which hold the frame together are #8 Phillips screws. Word to the wise, check to see if you do in fact have a screwed together frame and not a welded frame. That could make a big difference, too.
A quick learner from Lemoore, Ca says:
Thanks for the advice. I was able to get the screw removed with an impact driver; manual, not a souped up drill, and took it to the hardware store. It is not an 8 or a 10 but appears to be a 9. Purchased some replacements and some naval jelly. Went back together very well, except I will have to take it apart again to replace the springs once I find them. The pivot bar is the 26-375 for the Better Bilt, but the 3/16 spring was to small. While at the hardware store I purchased some 3/32 springs but they are just a bit to large. You don't appear to have any other springs, correct?

I am perhaps one of the few people without a mobile phone and camera so pictures are tough. But the window looks like many of the Better Bilt already submitted to this discussion.

Thanks for the ideas.
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Dave Sr. from SWISCO responded:
Great! Glad you were able to get it out. As for the spring, we don't really have anything else that can work for this pivot bar, unfortunately. The 26-016 is what's recommended by the manufacturer, but it's starting to become clear that you have a bit of a special case. You may need to do some hunting to find a spring that will work in your circumstance.
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