Singer 321C 131M-04 Instruction Manual page 28

6.3
Cover
Components
Upper cover
Upper cover washer
Thread guide supporter
Belt cover
Thread cover spring
Cloth guide plate
Oil guide ll
Pin
Front spring
Front cover
Front cover guard
Front cover guard
12 Front cover hinge
13 Hinge pin
14 Front cover hinge spring
15 Front cover hinge washer
16 Trade mark plate
17 Oil flow window
18 Front cover snap guard
19 Oil guard
20 Oil level gauge washer
21 Pin
22 Oil sight window
23 Eye Guard
24
Upper cover
25 Screw
26 Thread guide supporter
27 Screw
28 Snap spring
29 Screw --
so screw ---
s1 screw ---
32 screw ---
as screw ---
s4 screw ---
as Screw --—
37 Machine model plate ---
High Speed Overlock Machine | Instructions Manual and Parts List 25