im having a real hard time finding anything with the model# 22b-6.
how ever i went to
consew.com . here they have a long list of most thier machines, and you can get the instruction manuals off this site also.
You might be able to find a similar model type, and see how it is setup on that machine, and then try your the same way.
as well on that site their are also part books if you ever need to order any replacement parts for your machine.. All the information on this site is free.
as well you can try contacting the company directly and seeing if they can assist you further. the contact info is.
New York Corporate Headquarters
400 Veterans Blvd., Carlstadt,
NJ 07072
tel: 212-741-7788* fax: 212-741-7787
email New York Headquarters
Miami Location4077 N.W. 79th Ave., Miami, FL 33166tel: 305-513-9220 * fax: 305-513-9417
email Miami Location
Los Angeles Location2320 S. Hill Street,
Los Angeles, CA 90007tel: 213-745-8844 * fax: 213-745-8855
email Los Angeles LocationGood luck.