the following tools are needed to install the Anderson 400 series would write double hung insert replacement window safety glasses tape measure level small pry bar utility knife chisel power drill number two phillips bit three sixteenth inch drill bit putty knife caulk gun and sealant trim nailer table saw and miter saw always follow the manufacturer's instructions for safe operation of all hand and power tools before beginning and interior installation inspect each window
unit for damaged or missing parts that could hold up installation also double-check all measurements and make sure you have the unit specified for the job when starting any tear out it's important to wear proper protective gear such as gloves and eye protection before removing any of the window sash you must first remove any exterior storm windows if present next remove the interior stops use a utility knife to carefully break the seal along the entire perimeter
of the interior stops gently pry each interior stop from the window and set aside be careful not to damage them as they will be reused later should the existing interior stops be damaged or in such poor condition that they can't be reused Anderson has created an optional interior stop with a design profile to complement the look of the 400 series would write insert replacement windows next cut the lower sash cords remove the lower
sash and discard remove the parting stops using a small pry bar or stiff putty knife these will not be reused so they can be disposed of properly lower the upper sash and cut each balance cord remove the upper sash and properly dispose remove the pulley hardware from each side of the window frame and properly dispose open the white...
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