Tool to put tension on my springs

A handy person from Westfield, Mass says:
Dear Sir:

I have all my windows from your company, I did buy new springs but I need the tool to put the tension on the new springs, the company that did replace all the windows is now out of business, Thanks for the help,

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Tom from SWISCO responded:
Hey, Don. It sounds like you have spiral balances, is that correct? If so, see our 75-005 if they are non-tilt windows and our 75-006 if they are tilt windows. Make sure to only wind 2-3 times, at most.
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