Singer 321C 131M-04 Instruction Manual page 46

6. 13
Trimming
Components
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Upper knife drive connecting link
Upper knife crank
Upper knife crank
Crank pin
Upper knife frame rock shaft
Bushing (left)
Bushing (right)
Washer
Upper knife holder
Upper knife holder
Upper knife holder
Thrust collar
Upper knife holder pin
Upper knife
Upper knife
Washer
Lower knife holder
Lower knife holder
Lower knife holder
Lower knife holder bushing
Lower knife holder spring
Lower knife holder plate
Lower knife
Lower knife
Lower knife holder lock plate
Thrust collar set screw
Upper knife crank set screw
Upper knife crank pin screw
Connecting link screw
Upper knife holder screw
Upper knife screw
Screw
Screw
Washer
Oil seal
Lower knife holder screw
Washer
Washer
Washer
High Speed Overlock Machine | Instructions Manual and Parts List 43