Adjusting the Treadle(Fig. 18, Fig. 19, Fig. 20)
16
1.Adjusting the angle of treadle
1) Adjust the angle of treadle only by adjusting the length of treadle connecting rod:
unscrew screw ①, and adjust the length of treadle connecting rod by moving upward/
downward the
upper connecting rod ② and lower connecting rod ③.
2) Screw down screw ① when adjustment is over.
Caution:
1.To prevent the unexpected startup of sewing machine, trim off the power supply before
the operation is conducted.
①
②
③
Fig.18
Fig.19
a
b
c
d
④
⑤
2.Adjustment of the strength of pedal
The sewing machine run at a low speed when step forth on the panel slightly.If the
strength is insufficient, hang the stepping adjustment spring ④ on the panel spiral arm
driving lever ⑤ in order to adjust strength.(a is the minimum stepping strength ,b,c,d
increase gradually)
Caution:
1.To prevent the unexpected startup of sewing machine, trim off the power supply
before the operation is conducted.
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