tilt window parts replacement

A home owner from Manhattan says:

I have 3 large bay windows (approximately 74" interior height) that need repaired. Primarily, there is one window that needs the entire spring assembly replaced. Potentially, I would like to replace all the parts for each window (if needed) to make opening/closing easier.

Based on the attached pictures, can you provide me with a list of replacement parts & tools needed? Ultimately, I would like to completely upgrade all moving parts so the windows open/close easier.

Thanks,

Mark

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Bob from SWISCO responded:

Hi Mark. We can certainly help you replace these spiral balances, but we need a little more information to be able to help you. See the videos below for spiral balance identification, as well as how to remove and replace tilt window spiral balances. 

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