2-Thread Overlock
Converting from 3-Thread to 2-Thread Overlock
L ef t or rig h t need le pos it ions c an b e us ed f or 2 - t h read
s erg ing .
See machine threading illustrations on (page 33/34).
1 . O pen t h e f ront c ov er and b lad e c ov er.
Cut the upper looper thread just above the threading
port. (fig.A)
2 . R ais e t h e pres s er f oot and rem ov e t h e upper looper
t h read and need le t h read f rom t h e m ac h ine.
3. Slide the subsidiary looper to the right direction and
swing it counterclockwise to the left. (fig. B).
M ak e s ure t h e h ook ed t ip of t h e s ub s id iary looper
enters into the upper looper eye. (fig. C)
4 . P lac e t h e lef t need le t h read on t h e f ar lef t s pool pin
( or rig h t need le t h read on s ec ond f rom lef t s pool pin)
and b ring t h e t h read t h roug h t h e t eles c opic t h read
g uid e d irec t ly ab ov e t h e s pool pin of t h read .
Bring the thread through the top pretension thread
g uid e t h at is norm ally us ed f or t h e upper looper ( 3 rd
f rom lef t ) , and d ow n t h e f ront .
T h en t ak e t h e t h read t o t h e lef t and t h read t h e m ac h ine
as you w ould f or t h e need les in t h eir norm al pos it ion.
( illus t rat ion on pag e 3 3 / 3 4 f or c orrec t t h read ing . )
5 . Us ing t h e R ev olut ionA ir N eed le T h read er t h read t h e
eye of lef t or rig h t need le. ( pag e 2 0 f or t h read ing of
need les )
6 . P lac e t h e need le t h read and looper t h read und er t h e pres s er f oot and t o t h e b ac k .
7 . C los e t h e c ut t ing b lad e c ov er and f ront c ov er.
8 . T h e need le and low er looper t h read s s h ould ov erc as t ev enly on t h e c ut ed g e of t h e f ab ric .
Note:
The cutting blade cover has been removed in illustrations B and C for a clear view.
T h e 2 - t h read f unc t ion prov id es an ec onom ic al and les s b ulk y m eans of ov ered g ing all f ab ric s .
The standard 2-thread overlock is the same as a 2-thread flatlock stitch.
W h en s ew n w it h s pec ialt y t h read s , 2 - t h read s ew ing m ak es d ec orat iv e s eam s and ed g es f or ac t iv ew ear,
children’s clothing , ruffles, and hemlines.
L
R
L
R
1
2
L
R
L
R
1
2
L
R
L
R
1
2
A
B
C
3 2
2
T
H
R
E
A
D
O
V
E
R
L
O
C
K