12 apply paste wax to the edges of the sash.
Repair spring loaded window sash.
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If your replacement channels are spring loaded the sash weights are no longer necessary.
In this case remove and discard the old sash weights and cord and stuff fiberglass insulation loosely into the cavities.
Release the locking terminal s pawl lower the terminal down to a point about 10 in.
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Sash balances eliminate the need for sash weights sash cords and pulleys.
Window sash replacement kits are usually tied to a specific window brand.
Insert the hook attached at the bottom of the replacement spring balance into the slot cut in the window frame.
When the repair is complete reinstall the vinyl track in the window frame.
Pull the plug down and insert it into the hole bored in the upper edge of the sash.
Swing the top of the spring toward the window frame as you push down on the spring to.
14 pull out the retractable steel tape from the counter balance and attach it to the hook on the sash.
Set the top sash on the window stool.
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Old windows may not be square.
A sash balance spring balance is a spring loaded device used to counter balance a sash in a box sash window.
Over time sash balances can need replacing.
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Major window companies such as andersen pella jeld wen marvin and others have window sash replacement programs.
If necessary cut the new channels to length with a hacksaw.
From the windowsill and twist your screwdriver counterclockwise to lock the terminal in the vinyl jamb.
11 remove the old sash weighs from inside the wall and insulate the wall void.
Individual sash replacements are not found in stock at home centers though you may be able to special order them through the home center.
13 screw a spring loaded counter balance to each side jamb.
Use pliers to grasp the plastic plug attached to the end of the spring loaded string.