Simonton windows are drooping, should I replace thebalances?

A home owner from Miami, FL says:
I have a home in Florida's west coast and built in 2003. They used SIMONTON hurricane windows (aluminium frame)and I have 6 windows that fall down when you open them.

the tensioners or shash adjusters or what ever they are called need to be replaced.

here is the number that appears after the bar code if this helps. 9007770/01 for 4 windows and 9007770/03 for 2 windows.

Kindly advise.

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Tom from SWISCO responded:
Hey, Gary, thanks for posting. You're right in that the balances are the problem, but you may not need to replace them. It depends on what type of balances you have. Are they Spiral Balances? If so, then you may just need to adjust the tension.

Take a look at our guides below depending on whether your window is tilt or non-tilt to see what you can do.

If you do not have spiral balances, though, then I will need to see a few pictures of your existing balance hardware in order to determine what you have and what we can do to fix these windows.
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Donna from SWISCO responded:
Actually, a thought just occurred to me. Since you have hurricane windows, you might have a special heavy duty type spiral balance that cannot be charged. If you do have spiral balances, check to see if there are any stamps. Also check the diameter of the tube.
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