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Paul from SWISCO responded:
January 29, 2016
It looks like the bottom sash clip is attached to the side of the sash, so hopefully you don't need to replace that. That would be for the best, because you cannot remove the sash to get to it. You will need to install the balances with the sash intact.
With someone helping you, you will need to drop the new balance in from the top of the sash, screw it in at the top, then let the spiral drop down. You will then raise the sash and, while someone holds the sash in the open position, spin the spiral up to the bottom of the sash. Finally, with our 75-004 tool, give the balance about three turns to charge it and lock it to the end into the sash clip. Let me know if you have any more questions. |
