28
5.4) Inserting upper thread
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.
[Fig. 5-4]
5.3) Winding lower thread
1) Turn on the power switch.
2) Insert bobbin
①
into bobbin winder shaft
②
.
3) Wind thread on bobbin
①
several times in the arrow
direction.
4) Push bobbin operating plate
③
in the direction of
bobbin.
5) Raise presser bar with presser bar lifter.
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
knife
④
.
※
To adjust the amount of bobbin winding, loosen
screw
⑤
and adjust bobbin winder adjusting plate
③
.
①
③
⑤
④
②
90%
[Fig. 5-3]
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
Make sure that thread should be regulated to wind 90% of bobbin capacity.
Caution
Always turn off the power when inserting upper thread.
If the pedal is accidentally stepped, the machine might unexpectedly operate, causing injury.
Caution
①
50mm
Summary of Contents for KM-1170BLX
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Page 14: ...14 Fig 4 5 Thread trimming ...
