16
3
Adjustment of the Machine
1) Inserting the needle
As in Figure 20, place the upper end of the needle closely
adhered to the upper side of the stopper hole ②, with the
needle groove ① facing inward. Fix the needle with a
fixing screw③.
KM-757 SERIES
KM-797 SERIES
[Figure 20]
2) Removing bobbin and bobbin case
Place the needle ① in the highest position, and then like in Figure 21, open the slide plates ② on the left and right, lift the
bobbin holder ③ to remove the bobbin case ④ and the bobbin ⑤.
[Figure 21]
Caution
▶ Always turn off the power when mounting a needle. If the operator mistakenly steps on the pedal
while the power is on, the machine will start automatically and can result in physical injuries.
▶ When using clutch motor, be aware that the motor will continue to rotate for a while even after the
power is switched off due to inertia. Start to work on the sewing machine only after the motor has
come to a complete stop.
Caution
▶Turn off the power when adjusting the lower thread tension. If the operator mistakenly steps
down on the pedal while switched on, the machine will start automatically and can cause
physical injuries.
▶When using the clutch motor, be aware that the motor will continue to rotate for a while after the
power is switched off. Start to work only after the motor has come to a complete stop.
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