Fig.16
①
②
Fig.17
D
C
B
A
E
③
15 Operating the Treadle(Fig. 17)
1.The treadle has 4 operation levels:
1) The machine runs at low sewing speed when you lightly depress the front part of the pedal.
(as
show in the picture B)
2) The machine runs at high sewing speed when you further depress the front part of the pedal.
(as
show in the picture A)
3) Pe
dal back to the initial position when stepping on it and the machine stop working.(needle in
the upper or down position)(as show in the picture C)
4) The machine trims threads when you fullydepress the back part of the pedal (as show in the
picture A).
When the auto-lifer is used,one more operating switch is provided between the sewing
machine stop switch and thread trimming switch.The presser foot goes up when you lightly
depress the back part of the pedal(D),and if you further depress the back part,the thread
trimmer is actuated.
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