8 Cam set - Husqvarna Viking 6460 sewing mach winter012

Husqvarna Viking 6460 sewing machine was first manufactured in 1976 or 1977. What I am looking for is the set of CAMS that fit, individually, into the back of the machine itself to allow the machine to perform decorative stitches in that pre-computerized era. My 6460 is 32 years old, only a few years older than my daughter, & works great, except that the cam set is missing. I really need to replace it. Also, a copy of the instruction book would be appreciated. Thanks.
winter012