Operation Manual

2-thread overedge seam
I
Left needle
Right needle
Standard
seam width N Standard seam width N
r
L__
5,7 MM
Adjustable range
5.2
to 7.2
mm Adjustable range 3 to 5 mm
ceside•Heve
The
left-hand illustration shows the
2-thread overedge seam with
correctly
set thread tensions.
Possible correction requirements:
1. Looper thread A is too loose (yellow
thread
tension>.
2. Needle thread B is too
tight (blue or
green thread
tension).
3. Both tensions have to be
corrected.
1.
Looper
thread A
is too tight (yellow
thread tension>.
2. Needle thread B is too
loose (blue or
green thread
tension).
3. Both
tensions have to be
corrected.
21