Winding Bobbin Thread - JUKI LBH-1790A Series Instruction Manual

Computer-controlled lockstitch buttonholing machine
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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
ITEM SELECT key
3) Start bobbin winding.
Depress the pedal, and the sewing machine ro-
tates 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 is
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 bob-
bin thread around plural bobbins.
(2) Adjusting the amount to be wound on
a bobbin.
To adjust the winding amount of the bobbin
thread, loosen setscrew ② and move the bobbin
winding lever ① to the direction of A or B. Then,
tighten setscrew ② .
To the direction of A : Decrease
To the direction of B : Increase
. In this state, press
.
– 27 –
B
A

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