Winding Lower Thread; Inserting Upper Thread - SunStar KM-1080 Series User Manual

Post bed, 1 and 2-needle unison feed lock stitch m/c
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5.3) Winding lower thread

Make sure not to touch or press down parts that are operating or moving during thread winding.
Failure to follow the safety rules may result in physical injuries or mechanical damages.
Caution
1) Turn on the power switch.
2) Insert bobbin① into bobbin winder shaft②.
3) Wind thread on bobbin① several times in the arrow
direction.
4) Push bobbin operating plate③ in the direction of
bobbin.
5) Lift the presser foot with the presser foot lift lever.
6) When pressing pedal, the machine starts to operate
and thread winds on bobbin.
7) When thread winding is done, bobbin operating plate
③ returns automatically.
8) Remove bobbin and cut thread with bobbin winder
knife④.
※ To adjust the amount of bobbin winding, loosen
screw⑤ and adjust bobbin winder adjusting plate
③.
Make sure that thread should be regulated to wind 80% of bobbin capacity.
Caution

5.4) Inserting upper thread

Always turn off the power when inserting upper thread.
If the pedal is accidentally stepped, the machine might unexpectedly operate, causing injury.
Caution
1) Place the thread take-up ① at its the highest position
by turning pulley before inserting the upper thread.
2) The adequate length of upper thread extending from
the needle hole is 50mm.
26
80%
[Fig. 5-3]
50mm
[Fig. 5-4]

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Km-1082 series

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