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4-3. How to wind the lower thread
Be sure not to touch moving parts nor push them with objects while winding threads.
Otherwise, any touch or push may cause damage to the machine or injury to human body.
e
t
1. Turn on the power switch.
2. Thrust empty bobbin q into shaft w.
3. Thread the end of thread through the cotton stand as illustrated and wind up the end of the
thread onto bobbin q several times.
4. Move lever e to the arrow pointed direction.
The automatic switch sets shaft w to rotate and start winding threads.
5. When thread rolling is over, lever e returns to original position and thread roll axis w stops.
6. Loosen set screw r and move lever e to right and left for adjustment of thread winding
amount of bobbin q.
7. Detach bobbin q from shaft w. Cut the thread while winding the middle part of thread onto
thread nipper t.
At the next winding of the thread, pick up the end of the thread from thread nipper t and roll it onto bobbin q.
(Note) • The winding amount of thread should be less than 80 % of full roll.
• If threads are wound onto the lower thread remaining amount detection bobbin (option), start winding
from the end of bobbin because a mirror is placed on the center of the bobbin.
CAUTION
e
r
w
q
1451S
Thread winding
amount
BAS-6150
Chapter 1 Machine Preparation
w
80%
Lower thread remaining amount
detection bobbin (option)
1454S
t
1452S
Mirror
1453S
21
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