S-7300A
9-2. Adjusting the presser foot pressure
Good even stitches
Increase the pressure
Stitches are puckered
Decrease the pressure.
The presser foot pressure should be as weak as possible,
but strong enough so that the material does not slip.
1. Loosen the adjusting nut (1).
2. Turn the presser adjusting screw (2) to adjust the presser
foot pressure.
3. Tighten the adjusting nut (1).
9-3. Adjusting the trailing length after thread trimming
・ At the time of thread trimming, the thread tension is
loosened and tension is applied by the pretension (1)
only.
・ The standard upper thread trailing length is 25 to 30 mm.
・ If the tension of the pretension (1) is increased, the
lengths of the threads trailing from the needle tips will be
reduced; if the tension is reduced, the lengths will be
increased.
Adjust by turning the pretension (1).
weaker