Paul from SWISCO responded:
February 2, 2016
It sounds like you need a new channel balance, but that's about all I can say. I recommend viewing the videos below, then referencing both our Channel Balance Home Page and top sash guide section. Let me know if you have any further questions.
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Paul from SWISCO responded:
February 25, 2016
Looking at your picture, the balance does seem broken. The top nylon attachment riveted to the balance is different from the top sash guide screwed to the sash. You can either replace the top nylon attachment by itself with the 19-005, along with our 62-005 rivet, or you can replace the balance entirely. You might have the Series 385 channel balance, but I'm not sure.
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