Singer Centurion 121D200A - Page 21

DISASSEMBLY SEQUENCE
FEED LIFTING SHAFT
1. Remove bed cover plate, drain oil from reservoir, and remove oil reservoir cover.
2. Remove height eccentric locking nut.
3. Loosen feed bar rock shaft crank pinch screw.
4. Slide crank assembly left to clear feed bar from height eccentric stud. This will give
access to feed lifting link screw.
5. Loosen set screws (2 each) In the following components; drive pulley, timing belt
pulley, feed eccentric, collar and gear as shown In Illustration.
6. Remove drive pulley.
7. Unhook oil pump spring.
8. Remove feed lifting link screw (Left hand thread).
9. Remove shaft from left to right.
Feed Bar Rock Shaft Crank
Screw
Height
Eccentric
Stud
Oil Pump Spring
Feed Lifting
Link Screw
Feed Bar
Feed Lifting Link
Height Eccentric Locking Nut
Collar
20
Drive Puiiey
Feed Eccentric
Timing Belt Pulley
& Bearing Assembly
NOTE: See page 25 for
bed cover details.
From the library of: Superior Sewing Machine & Supply LLC