Tilt holder and balances are broken

A quick learner says:
Here are pictures of the balances. They are both broken. I need to replace the balance and the tilt mechanism. I also dont know how these are installed. There is no obvious gap along the jambliner where these can be removed and replaced. Could it be in the sill - if so any thoughts on how to dismantle this? thank you
Thumbnail of the uploaded file named processed-3ffaf212-8029-438a-8d1f-c1275ec5b18c_Gvq
Thumbnail of the uploaded file named processed-ec1dffc2-c156-410a-8df1-8cd1a91a6f98_zUP
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Emily from SWISCO responded:

Hello!

This looks like a match for our S140-7 but compare our dimensions to yours to confirm this matches what you need. As for how to remove your assembly, take a look at the video below which will show you how to remove your hardware using the cut out method. 

How to Remove a Pivot Shoe (Cutout Method)
How to Remove a Pivot Shoe (Cutout Method)
VIDEO
WATCH >
How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
VIDEO
WATCH >
Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
GUIDE
READ >
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