Here are manuals for similar #103.xxx craftsman jointers made by King Seeley
http://www.owwm.com/MfgIndex/Publications.asp?ID=222
And from that website…….”Copies of manuals for many vintage Craftsman machines with model numbers beginning 103. and 113. are available by emailing
info@ridgidwoodworking.com
Include model number and your mailing address in the request. They may reply saying they have no info for your particular model number, but watch your mailbox. Sometimes they claim that, then mail it.”