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Class 99 & 99K
Hold the bobbin case between the
forefinger and the thumb of the left
hand as shown in Fig. 33. Tilt the
bobbin case to the left and at the same
time slightly 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.
Fig. 33 Removing the Bobbin Case
To Replace Bobbin Case
Operator Being at the Front of the Machine.
See that the needle is raised to its
highest position and that the latch CC,
Fig. 34 is raised from the slot FF, Fig.
34 and moved toward you
Hold the bobbin case between the
forefinger and thumb of the left hand,
as shown in Fig. 33. Insert the forked
end of the bobbin case under the throat
plate so that the fork straddles the end
of the bobbin case position bracket GG,
Fig. 34. Then, with a slight twisting
motion of the bobbin case to the left
and to the back, lightly press it
downward
Fig. 34 Bobbin Case Position Bracket
until the edge of the sewing hook
engages in the groove under the rim of
the bobbin case.
Having set the bobbin case into the
correct position, lock the latch CC, Fig.
34 in the notch FF, Fig. 34 to hold the
bobbin case in place.
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