Singer 321C 131M-04 Instruction Manual page 42

Differential Feed
Components
Stitch length regulating shaft
Spflng
Oil washer
Stitch length regulation cam assembly
Stitch length regulating block
Stitch length regulating block spring
Stitch length cam
Stitch length regulating plate
Feed length cam
Feed cam spring
Feed cam pin
Feed link
Feed rod rolling pin bearing
Feed crank
Differential link
Differential crank
Differential shaft
Differential shaft bearing
Oil seal
Thrust collar
Spflng
Washer
Regulating block
Washer
Feed cam
Washer
Differential regulation holder
Regulating screw
Regulating screw spring
Differential regulating link
Crank link cam
Differential link screw
Differential crank screw
Thrust collar set screw
Washer
Washer
Differential position screw
Spring screw
Differential regulating screw
Differential regulating screw
Screw
Screw
Washer
Marker plate
High Speed Overlock Machine | Instructions Manual and Parts List 39