SINGER 4166 - Manual (Page 14)

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2 2
C
B
3
4
A
1 1
INSERTING THE BOBBIN
1. Place bobbin into bobbin holder with the
thread unwinding counter clockwise.
2. Draw thread into notch (A).
3. Pull thread toward the left and along the
inside of spring (B) until it slips into notch
(C) being sure that thread does not slip out
of notch (A).
4. Pull thread out about 10 inches and replace
the slide cover.
C
B
A