http://www.sewusa.com/
Welcome To Sewusa
.. The site that gives you more useable information than any other Sewing Machine site on the internet! Visit our threading page and you'll find free threading diagrams covering almost 400 different models. All from the original owner's manual! On our repair pages you'll find free cleaning, oiling, and maintenance diagrams for your sewing machine. And of course we still have one of the best selections available for sewing machine Instruction and repair manuals. Our list keeps growing and growing! Check it out today!