Presser bar and tension diagram
Part #543531
The manufacturer no longer makes this part, and there's no substitute part
Needle hook and plate diagram
Part #319737-451
The manufacturer no longer makes this part, and there's no substitute part
Electrical equipment diagram
Part #422313
The manufacturer no longer makes this part, and there's no substitute part
Pattern selector diagram
Part #139938
The manufacturer no longer makes this part, and there's no substitute part
Pattern selector diagram
Part #421901
The manufacturer no longer makes this part, and there's no substitute part
Presser bar and tension diagram
Part #447583
The manufacturer no longer makes this part, and there's no substitute part
Alpha feed and drive mechanism diagram
Part #511016
The manufacturer no longer makes this part, and there's no substitute part
Cam control feed and stitch balancing diagram
Part #421863
The manufacturer no longer makes this part, and there's no substitute part
Part #422209
The manufacturer no longer makes this part, and there's no substitute part
Pattern selector diagram
Part #447832-452
The manufacturer no longer makes this part, and there's no substitute part