16
3
Adjustment of the Machine
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.
1) Inserting the needle
Place the upper end of the needle closely adhered to the upper
side of the stopper hole , with the needle groove
facing
inward. Fix the needle with a fixing screw . (See Figure 19)
[Figure 19]
[Figure 20]
HOOK
0.05~0.1mm
0.5mm
2) Adjusting needle bar
As can be seen in figure 20, pull out the rubber cover of needle
bar adjusting hole
and turn the pulley to place the bar at the
lowest part. Then, loosen the needle bar clamp screw
and
make the carved sign of the lowest bar
meet the lower part
of needle bar down- bushing
by moving the bar. When is
done, fix the clamp screw
and clog the rubber cover .
3) Adjusting timing of needle and hook
As can be seen in figure 20, make the lower side of needle bar
bushing
meet the carved sign
of hook marked in the
needle bar and then loosen three hook fixing screws .
Turn the loose hook so that the hook edge
meets the needle
center. When this is done, adjust the distance between the hook
edge
and the inner side of the needle groove to 0.05~0.1mm.
Then, tighten three fixing screws
again.
