Pitch
U�Gear marking
2. mm (2-sttch/nch)
2.3 mm (-sttch/nch)
2.5 mm (0-sttch/nch)
2.8 mm (9-sttch/nch)
3.2 mm (8-sttch/nch)
3.6 mm (7-sttch/nch)
4.2 mm (6-sttch/nch)
* �or the respective gears� one setscrew (Part No. : SM6050802TP) is necessary respectively.
5. Winding the bobbin thread
Perform threading the bobbin winder as shown in the figure.
) Adjust screw 1 so that the wndng amount of bobbn should be 80%.
(The percentage s regarded as 00% when the thread s wound up to the outer dameter of bobbn.)
2) When there s uneven wndng of the bobbn, loosen screw 2 and move 3 n the drecton of the arrow mark to adjust
so that there s no uneven wndng.
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.
24
JUKI Part No.
33
4006870
36
40068709
37
4006872
39
40068706
4
40068707
44
40068708
47
400687
1
L�Gear marking
JUKI Part No.
47
400687
44
40068708
43
4006873
4
40068707
39
40068706
36
40068709
33
4006870
80 %
Remarks
Optonal
Accessores
Optonal
Replace the standard U-Gear
wth the standard L-Gear.
Standard
Accessores
Optonal
Protrusion of thread
2
3