Removing the bobbin case, Threading the bobbin case – SINGER 4022 User Manual
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Removing the Bobbin Case
When you prepare to sew, wind the
bobbin first then thread the ma
To Remove the Bobbin Case and
® Turn hand wheel toward you to
raise take-up lever to its highest
® 4022 Open hook cover A, as
e 4012 Open slide plate A by draw
ing it toward you.
® Grasp bobbin case latch
withdraw bobbin case.
® Release latch and bobbin will
drop out of case.
Threading the Bobbin Case
1. Hold bobbin case and bobbin so
that thread leads off in direction
2. Place bobbin into bobbin case.
thread into slot C.
v3. Pull thread under tension spring
D and into slot E at end of spring,