changing balances

A quick learner from walnutport, pa. 18088 says:
your ad states the balances come lubricated and ready to be charged. did you mean changed or must they be charged with some material.
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Paul Sr. from SWISCO responded:
Spiral balances need to be charge after installing them into a window. Charging simply means rotating the spiral part of the balance a couple of times to strengthen the pull of the balance. Sometimes you are able to recharge your old spiral balance instead of replacing them. We have two different types of charging tools depending on your type of window. The 75-006 for a tilt window and the 75-005 for a non-tilt window. Also, take a look at this guide for adjusting spiral balances for tilt windows and non-tilt windows.
A quick learner from walnutport, pa. 18088 says:
Thanks this was very helpfull
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