SINGER W1750 - Manual (Page 10)

REMOVING BOBBIN CASE AND BOBBIN
1. Raise needle to its highest
position and open the
shuttle race cover.
Hinged latch
2. Open hinged latch of
bobbin case and pull bob­
bin case out of macliine.
3. Release the latch and bob­
bin will fall out easily.
INSERTING BOBBIN INTO BOBBIN CASE
1. Pull off 5cm of thread
from bobbin and insert it
into bobbin case as shown.
SLOT
he-'
2. Guide the end of thread
into slot.
Tension spring
10cm
/ \
l\
......i.
3. Pull into slot and under
tension spring and draw
out about 10 cm of
thread.