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Basic Sewing Machine Adjustments

5-1. Needle Insertion

Place the long groove of the needle① toward the left. Insert

the needle deep into the needle bar hole② and fasten the

needle fixing screw③.

[ Fig. 16 ]

②

③

①

2) Needle Bar Height

Loosen the tightening screw④ to adjust the distance

between the upper part of the thread hole and the hook

point① at 0.5~1.5mm when the hook point① is aligned

with the middle of the needle②. Move the needle bar

up or down to adjust the needle bar⑤ and fasten the

screw④.

[ Fig. 18 ]

②

④

⑤

①

5-2. Adjusting Needle and Hook Timing

1) Needle Bar Lifting

Turn the pulley to place the needle 2.24mm above the lowest point. In this case the hook point① and the middle of the

needle② should be aligned. Loosen the fixing screw③ and set the hook point① at the middle of the needle②. Adjust the

distance between the hook point① and the needle② at 0.05~0.1mm.

[ Fig. 17 ]

②

①

②

0.05~0.1mm

0.5~1.5mm

①

③

SunStar KM-341BL User Manual

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