Welcome to the NorthShoreCommercialdoor.com Product Manuals & Instructions home page! Below you will see a list of all of the major brand names that we carry. Click the manufacture logo or title and you will be directed to a full line of product manuals and instructions used for programming remotes, keypads, and other accessories. We also have pdf files of the repair manuals for the most common garage door openers. In most of the repair manuals you will find the correct repair parts lists with the proper part numbers provided by the manufacture. You will find product manuals from brands like Chamberlain-Liftmaster, Sears-Craftsman, Sommer, Linear, MegaCode, MultiCode, Hormann, Genie-Overhead Door Co, USAutomatic-Sentry, GTO, and many others.