SINGER W2137 - Manual (Page 11)

PLACING BOBBIN CASE IN SHUTTLE
Open hinged cover plate in front of the needle. See
15, Fig. 1 . Hold the bobbin case latch, D , Fig. 9,
between the thumb and forefinger of the left hand, with
at least three inches of thread running from the top of
the bobbin case to the right. Insert and center the
bobbin case on the stud of the shuttle body, vC . Be
sure the bobbin case finger, E , is opposite shuttle
race notch, (A; . Press the bobbin case into the shuttle as far as possible until latch
catches on the center post o( shuttle, THEN release the bobbin case latch, D; . Press
bobbin case again alter latch has been released to make sure the bobbin case is looked
securely in place. Close the cover plate.
Fig. 9