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5. CORRECT USE
BAS-341F, 342F 10
5-3. Threadi ng the upper thread
CAUTIONTurn off the power switch before threading the thread, otherwise the machine m ay operate of the foot switch is
depressed by mistake and serious injury could result.
■ Thread the upper thread correctly as shown in the illustration above.Note
• Turn the machine pulley and raise the thread take-up lever (1) before threading the upper thread.
(This will make threading easier and it will prevent the thread from coming out at the sewing start.)
• When threading the thread through the needle, al low a distance of approximately 40 mm between the needle hole
and the end of the thread. If the trailing length of the thread is too long, it m ay cause the thread to.
[When using cotton thread and spun yarn] 1932S
[With synthetic thread] [Threading in the upper thread breakage detector]
Real the thread from above once or
twice as the above figure. 1934S
1933S