
3
Principal parts of the machine
1. Upper needle-thread tension
2. Upper needle-thread tension
3. Thread tension/ upper looper thread
4. Thread tension/ lower looper thread
5. Thread tension/ two-thread chainstitch looper/ cover stitch looper
6. Adjusting knob for presser foot pressure
7. Needle holder
8. Standard presser foot
9. Needle plate
10. Adjusting knob for seam width
11. Seam width viewing window
12. Swivel plate
13. Looper disengaging lever
14. Blade guard (for Overedge/ Overlock)
15. Looper cover
16. Presser foot lever
17. Thread chain cutter
1
2
3
4
5
7
6
16
8
9
10
12
11
13
14
15
17