Owner's Manual

5. Correct use

BAS-343E

3. Insert a new bobbin into the bob-

bin case, and then pass the thread

through the slot w and pull it out

from the thread hold e. Check that

the bobbin turns in the direction of

the arrow when the thread is pulled

at this time.

4. Pass the thread through the lever

thread hole r, and then pull out

approximately 30 mm of thread.

1. Pull the shuttle race cover q for-

ward and then open the cover.

2. Lift the bobbin case latch and re-

move the bobbin case.

5-6. Sewing conditions

5-6-1. Sewing conditions

5-5. Replacing the bobbin case and threading the thread

CAUTION

Turn off the power switch before removing and replacing the bobbin case, otherwise the machine may

operate if the foot switch is depressed by mistake and serious injury could result.

30 mm

The sewing conditions given above may vary depending on the type of material being sewn.

Specifications

Upper thread

Lower thread

Upper thread tension

Lower thread tension

Thread take-up spring height

Thread take-up spring tension

Needle

Normal sewing speed

For thick materials

#20 or equivalent

150 - 200 g

20 - 40 g

8 - 10 mm

150 - 200 g

DP × 17 #21

2000 rpm