SINGER 99-13 - Manual (Page 13)

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I'lo. R aisinu tub L atch
Insei't the nail of the forefiiiger of tlie left- liaiul
imdcr llic latch (.NN, Fig. laiso the lalch just
high ciumgh to cliau' the edge at (00, Fig. 211)
and then move it toward you.
Under no circumstances must the screw (PP,
Fig. 23) be loosened. 'I'ho loosening of this screw
will change the clearance for the thread between the
bobbin case and bobbin case position bracket.
I'lu. 21 . R bmovisg tuu B oubin C ase :
Hold the bobbin ca.se between the forefinger and
the thumb of the left hand as shown in Fig. 21. Tilt
the bobbin case to the left and at the same time
slighlly turn the right or forked end toward you
so that it is moved out of engagement with the
sewing hook. Then tilt the bobbin case toward
the right and remove it (See Fig. 21).
To Replace the Bobbin Case
(OesuATOu BeiNC at tub F uont or the M achine )
See that the neeille is raised to its highest point
and that the latch (N N, I' ig. 25) is raised from the
slot (UO, J'’ig. 25) and moved toward yon.
Fio. 25 . SaowiNO the B obbin C ase
P osition B backet
Hold the bobbin ca.se between the forefinger and
thumb of (he left hand, a.s shown in Fig. 21. Insert
the forked end of the bobbin case under the throat
[dale so that the fork straddles the end of the
bobbin case iiosition bracket ((¿(¿, Fig. 25). Then
with a slight twisting motion of the bobbin case
to the left and to the back, lightly press it down-
wanlly until the edge of the sewing hook engages
in the groove under the rim of the bobbin case.