SINGER W951 - Manual (Page 8)

TO REMOVE OR REPLACE BOBBIN CASE
Raise needle to its highest position. The bobbin case cannot
be removed unless the needle is above the needle plate.
Open slide plate II {Fig. 1) by sliding it toward you. Grasp the
bobbin case hinge latch "A" {Fig. 9) between thumb and forefinger.
To remove, pull toward you.
To replace with full bobbin, leave at least three inches of thread
extending from the top of the case to the right.
Insert the bobbin case in the shuttle being aire to center it on
Stud D and that Finger B fits into Notch C {Fig. 9). Pre^ bobbin case
into shuttle as far as possible until latch catches on notch in Stud D.
Then release bobbin case latch A and press bobbin case again
after releasing latch to be sure it is locked securely in place.
Slide cover plate 11 {Fig. 1) into position.
Fig. 8
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