Paul from SWISCO responded:
March 4, 2016
You can give it another turn, if it's still hard to open. However I wouldn't recommend more than three total turns for a Black Tip spiral balance.
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Paul from SWISCO responded:
March 7, 2016
As you add tension, you make the sash easier to open and stay up without drifting down. In the same instance, it requires more pressure to lower the sash. So just try one window and adjust it to your liking, then go to the next window. Sometimes the same size windows require a different number of charges. If you find a window stays up fine as-is, then leave it be. Just remember that you should only give it three turns at the maximum, especially since you have black tips.
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