How to Replace Cords on Anderson Windows Measure the visible glass on your window sash. Call your Anderson parts supplier with this information so that he can match your measurements in the parts catalog. Raise the lower sash. Lower the sash. Do the same thing as above for the upper sash. Unscrew the metal boxes and remove them. Replace the new metal boxes. Remove the window sash, if you have Andersen double-hung removable windows. Remove window-locking hardware and window pulls with a screwdriver. Sand the wood with a sanding sponge or 120- to 180-grit sandpaper, working with the grain of the wood. Choose your application method. Apply a pre-stain sealer. A sash window or hung sash window is made of one or more movable panels, or "sashes", that form a frame to hold panes of glass, which are often separated from other panes (or "lights") by glazing bars, also known as muntins in the US (moulded strips of wood). Paint or stain the 400 Series window with the sash open, and do not close the sash until the finish has dried thoroughly. All stains should dry overnight before topcoat is applied. After staining, the surfaces should be topcoated with a quality conventional lacquer, varnish, or polyurethane.
Steps: Remove the screws holding the stop beads with a screwdriver. Remove the sash from the window opening. Remove the screws holding the doors to the weight pockets using a screwdriver. Take out the old weights and broken sash cords. Feed a cotton line down the pulley hole and into the weight pocket.
A window balance is a somewhat hidden window component sitting inside the window frame. It's only found in double hung or single windows and assists you with the weight of the sash as you open and close your windows. They also hold the top sash of double hung windows closed while they're not in use.