constant force balance replacement

Question

We need to replace two traco quick tilt constant force balances.  I took pictures of how it looks now. The window is Traco.  Maybe you can help me by looking at the pictures. And what really needs answered is how do we take out the old balances out without ruining the window?  To me it looks like a coil broke off.  And it looks like there are three coils in the balance.  The window only weighs maybe close to 4 lbs.

Bob · Accepted Answer

This looks like a 15-087 Pivot Shoe and 15-086 Tandem Housing. This system uses our Series 180 Coil Springs. For information on removing the system, see the video below. If you're uncertain of what spring weights you need, please confirm the exact weight of the window sash. It looks like you have multiple coils on each side of the sash, so it must be heavier than 4 lbs. Many thanks.