58
⒖
The thread pull-off hook unit
“
A
”(22)
is designed to control the needle thread in the sewing material to the
minimum when sewing starts.
A. Loosen the screw
(21)
.
B. To reduce the amount of remaining thread, lift the thread pull-off hook unit
“
A
”(22)
. To increase, bring the
unit down.
(6) Thread pull-off hook unit
[ Figure 101 ]
⑮
⒃
⑭
⑬
⑫
35mm
4mm
⒗
(21)
(22)
⒔
⒕
(23)
Before adjustments, always turn off the motor switch and check to make sure that the motor is in stop
mode.
Warning
A. Use the thread pull-off hook
“
B
”
unit
(23)
only when you are using wool thread for the looper
thread. When the thread pull-off hook
“
B
”
unit
(23)
is not in use, bring it up so that thread
does not get caught.
B. Do not force the thread pull-off hook
“
A
”
unit
(22)
up. Stitches may not be formed when the
sewing starts.
Caution