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Paul from SWISCO responded:
June 8, 2015
You may just need to recharge the balances so that they can get their tension back. Since you have tilt windows, see our guide below on how you can do this.
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Paul from SWISCO responded:
June 9, 2015
Yes, recharging your spiral balances should give them their tension back, which will allow them to do their job again. However, if you find that charging them does not work, or if you're charging them without feeling any tension build in the spring (you would definitely feel it), then the springs may be shot. In that case, the balances would have to be replaced entirely.
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Paul from SWISCO responded:
June 17, 2015
If you are charging them without feeling any tension build, then they are likely worn out. I would recommend replacing them entirely. If the diameter of the tube is 5/8" or 9/16", I would recommend our Series 600 spiral balances.
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