SINGER W1640 User Manual
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bobbin as shown in Fig.
so that thread goes over top of bob
bin and away from you.
Place bobbin in case without turning it around.
check that bobbin turns clockwise. (Fig.
INSERTING BOBBIN CASE
Be sure that
inches of thread extends out
Hold bobbin case so long finger on case
points up. Open latch. (Fig. 16)
Slip case over center pin in shuttle and
press in place until long finger enters
notch. Release latch, and press down
Close Hook Cover.