24
5. Winding the bobbin thread
Perform threading the bobbin winder as shown in the gure.
1) Adjust screw
1
so that the winding amount of bobbin should be 80%.
(The percentage is regarded as 100% when the thread is wound up to the outer diameter of bobbin.)
2) When there is uneven winding of the bobbin, loosen screw
2
and move
3
in the direction of the arrow mark to adjust
so that there is no uneven winding.
When uneven winding of bobbin is especially excessive, the bobbin with thread protruded from the
outer diameter is set to the sewing machine and unexpected sewing trouble may be caused.
Protrusion of thread
80 %
Pitch
2.1 mm (12-stitch/inch)
2.3 mm (11-stitch/inch)
2.5 mm (10-stitch/inch)
2.8 mm (9-stitch/inch)
3.2 mm (8-stitch/inch)
3.6 mm (7-stitch/inch)
4.2 mm (6-stitch/inch)
U-Gear marking
33
36
37
39
41
44
47
JUKI Part No.
40068710
40068709
40068712
40068706
40068707
40068708
40068711
L-Gear marking
47
44
43
41
39
36
33
JUKI Part No.
40068711
40068708
40068713
40068707
40068706
40068709
40068710
Remarks
Optional
Accessories
Optional
Replace the standard U-Gear
with the standard L-Gear.
Standard
Accessories
Optional
＊
For the respective gears, one setscrew (Part No. : SM6050802TP) is necessary respectively.
1
2
3
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