SunStar KM-1640BL-7 User Manual page 14

Semi-direct, one-needle, upper & lower feed lock stitch machine with automatic thread trimmer with large hook

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4.5.4) Control Box

1) Attach the control box① undersurface of the table

with 4 bolts② as shown in the figure.

4.5.5) Pedal switch and connecting rod

1) Attach pedal switch ① to pedal switch bracket ②

with four bolts ③.

2) As in the Figure, attach pedal switch bracket ②

to the lower part of table.

3) Connect one end of the connecting rod ④ with

pedal switch and the other end with pedal, and

then adjust length of the rod.

4.5.6) Adjustment of Belt Tension

Remove a hand pulley and a motor cover. Loosen the

main motor bracket screw① and adjust the tension

by moving the main motor bracket from side to side.

②

③

②

④

①

②

[Fig. 4-8]

[Fig. 4-9]

[Fig. 4-10]

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