Industrial Sewing Machine SADE
55
1) Pass the thread through sections
❶
to
in the numerical order.
2)
Put the thread until the root of
bobbin thread clamp ❺ is
reached. Then, trim the thread.
(The thread end is retained under
the looper thread clamp.)
3)
Load a bobbin on bobbin winder
shaft ❻.
4) Press bobbin winder lever ❼ in
the direction of the arrow.
5) When you start the sewing ma-
chine, the bobbin rotates to auto-
matically wind the thread on itself.
6)
When the bobbin is filled up, the
bobbin winder lever automatically
releases the bobbin and the bob-
bin winder stops running.
1. The bobbin thread winding amount is adjusted by loosening setscrew
The bobbin thread winding amount is increased
lever ❼ upward.
2. If the thread comes off the thread tension
controller, wind the thread on
the intermediate thread guide by one turn.
1. This is the one-touch type bobbin winder. When the bobbin is fully wound
with thread, bobbin thread clamp
automatically returns to the initial
position.
2. To terminate bobbin winding before the
bobbin is fully wound with thread,
turn the handwheel, while slightly lifting bobbin winder lever ❼
bobbin thread clamp ❺ back to its initial position.
3. If the thread is not brought to the root of
the bobbin thread clamp, the
thread slips off the bobbin at the beginning of bobbin winding.
5.8 Threading the machine head
Thread tension is considered to be critical in relation to the product, for that reason the
upper thread tension compartment is locked. With the key of this lock comes the re-
sponsibility of correct tension setting.
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