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7
8
9
10
B
A
③
C
D
9. Threading the bobbin thread (Fig.7)
1.Insert the bobbin into the hook body, pass the
thread through the thread hole ①, then pass down
through the thread tension spring ②.
2.Draw the thread downward, then the bobbin will
turn in the direction as the figure shows.
10. Installing the bobbin case (Fig. 8)
1.When taking out the bobbin case, open the gib ①
and pull it off.
2.Align the bobbin case with the rotating hook shaft
and then insert it. Align the inside of the rotating hook
② and the latch ③, then install the bobbin case by
pressing it until "crack" occurs.
11. Installing the winding guider (Fig.9)
1.Set the winding guider ① onto the top cover of
the machine head by set screw ②.
2.Insert the bobbin thread guider ③ into the
machine head.
12. Winding the bobbin thread (Fig.10)
1.Thread in numerical order from ① to ④, then wind
the bobbin winder.
2.Press down the bar A.
3.Loosen the set screw B and adjust the adjusting plate
until the winding amount reaches the 80% of the outside
diameter.
4.When the winding is not smooth, move the winding
guider C forward and backward, then set it by set screw
D.
5. After winding, the winding bar A will separate and
stop automatically.
4
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