ā 15 ā
6.
Adjusting the presser foot pressure
Decrease the presser foot pressure as low as possible
to such an extent that stitches are stabilized.
To adjust the pressure, loosen lock nut
2
of presser
spring regulator
1
and turn presser spring regulator
1
.
After the adjustment, tighten lock nut
2
.
Turning it clockwise to increase the pressure.
Turning it counterclockwise to decrease the pressure.
7. Adjusting the thread tension
Adjust the thread tension with the following thread ten-
sion nuts.
1
Needle thread tension nut
2
Top covering thread tension nut
3
Looper thread tension nut
Turn clockwise to increase the thread tension.
Turn counterclockwise to decrease the thread tension.
B
= Decrease
A
= Increase
1
2
1
2
3
A
B
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