– 8 –
(4) Positioning the upper looper holder
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
H
: The distance between the bottom surface
A
of the frame and the upper end of the upper looper holder
pin
❷
should be as shown below when the upper looper holder
❶
is at the highest point of its stroke.
(Unit : mm)
Model
H
1-needle overlock machine MO-6804S
48.4
2-needle overlock machine
MO-6814S-2 H
50.3
MO-6814S-3 H
MO-6814S-4 H
51.3
MO-6814S-30P
50.3
Safety stitch machine
MO-6816S-3 H
48.2
MO-6816S-50H
48.5
MO-6816S-60H
51.3
MO-6816S-30P
48.2
H
A
❶ ❺
❹
❷
❻
0.1mm
0.1mm
❸
