Singer Centurion 121D200A - Page 29

ASSEMBLY SEQUENCE
FEED ROCK SHAFT
1. Insert shaft from left to right through feed bar, collar, drive crank, and collar. Set shaft
flush with left bearing face. Move left collar to left until touching bearing face. Tighten
set screws. Move right coiiar to right eliminating end play (max. .001"). Tighten set
screws.
2. Set feed reversing lever and drive assembly at neutral position (no feed). Tighten
drive assembly crank pinch screw.
Collar
Feed Bar
Rock Shaft Crank
28
Collar
Feed Reversing Crank
9
From the library of: Superior Sewing Machine & Supply LLC