typical GT1790A - Bobbin Thread Winding

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8. Winding bobbin thread
(1) Winding the bobbin
1) Set the bobbin
Fit a bobbin fully onto the bobbin winder shaft.
Take the thread from the spool and pass it through
the guides in the numerical order as shown in the
figure, and wind the end of the thread several
times around the bobbin. Then push the bobbin
winding lever ① in the direction of the arrow
mark.
2) Set the mode to the bobbin winding mode
Under the input state, press Presser and Winder
key
❺
. In this state, press Item Select
key
❻
.
3) Start bobbin winding
Depress the pedal, and the sewing machine rotates
and starts winding bobbin thread.
4) Stop the sewing machine
Once the bobbin is wound with the predetermined
amount of thread, bobbin winding lever ① will be
released. Press Presser and Winder key
❺ or depress the pedal to stop the
sewing machine. Then remove the bobbin and cut
bobbin thread with thread trimmer retaining plate
③.
● Press Presser and Winder key
❺
,
and the sewing machine stops and returns to
the normal mode.
● Depress the pedal and the sewing machine
stops while the bobbin thread winding mode
stays as it is. Use this way when winding
bobbin thread around plural bobbins.
(2) Adjusting the bobbin winding amount
To adjust the winding amount of the bobbin
thread, loosen the setscrew ② and move the
bobbin winding lever ① to the direction of A or
B. Then, tighten the setscrew ②.