−
20
−
(13) Position of the bobbin case stopper
Standard Adjustment
(14) Orientation of the needle bar thread holder
Standard Adjustment
™
The bobbin case stopper should be located within the range from the position at which top end
A
of the bobbin case stopper is aligned with line
B
to the position that is 0.5 mm away from line
B
in direction
C
.
Bobbin case stopper
2
Screw
1
™
The needle bar thread holder varies
in accordance with the needle bar.
1) In case of no flat portion at the bottom end of
needle bar
Install the holder so that the flat portion at
the bottom end of needle bar faces to this
side, or the right end faces to the rear end.
2) In case where the flat portion is at
the bottom end of needle bar
Install the holder so that the thread
hole faces to this side.
Front (Good) (No good)
Front (Good) (No good)
™
There are three different kinds of the needle
bar thread holders.
(1) .... In ase of without auxiliary thread take-up
and without flat portion at the bottom of
needle bar
(2) .... In case of with auxiliary thread take-up and
with flat portion at the bottom of needle bar
(3) .... In case of without auxiliary thread take-up
and with flat portion at the bottom of needle
bar (Used for the machine equipped wuth
the wiper)
Without flat portion
(Part No. : 22507800)
With flat portion
(Part No. : 22507503)
Needle bar
(1) (2) (3)
A
B
C
1
2
3
3
