Below are some documents that may help during trouble shooting, or re-ordering of parts.

Machine Parts Guides:

Need a help finding the right switch? Click Here

Need help with the right motor brushes? Click Here

Need help finding the right spring for the job? Click Here

Creative Studio Documents:

Beginners Guide to Repeat Patterns

Beginners Guide to Edge-to-Edge

Gammill Support Documents:

Thread and Oil Guide 

Trouble Shooting Tension, A Guide to Stitch Quality

Removing Your Machine Head for Transport