Singer Centurion 121D200A - Page 30

ASSEMBLY SEQUENCE
FEED LIFTING SHAFT
1. Insert shaft from right to left through loop In wicking, drive eccentric, thrust washer,
collar, gear, thrust washer oil pump and Into feed bar lifting crank. Replace screw.
2. Rotate shaft to expose flats. Tighten first set screw In direction of machine rotation
onto flats of shaft In the gear, drive eccentric, and drive pulley.
3. Move collar to right eliminating end play (max. .001")- Tighten set screws. Tighten
balance of set screws.
Oil Pump Spring
Feed Lifting
Link Screw
Feed Eccentric
Colar
29
Drive Pulley
Timing Belt Pulley
& Bearing Assembly
From the library of: Superior Sewing Machine & Supply LLC