Cleaning the snap-open-race – SINGER W7317 User Manual
Page 18
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16. CLEANING THE SNAP-OPEN-RACE
When the thread is tangled in the race or dust gets into the
race-way,
this
will
cause
abrupt
heavy
running
or
complete
stoppage of the machine.
If
SO:-
1) Raise the needle bar to its highest position and take out
the bobbin case.
,
2)
Snap-out knob (A) on both sides of shuttle race releases
to outside, then take out the outside-ring and the shuttle
hook with your fingers. IFig. 241.
3)
After
shuttle-race
and
shuttle-hook
have
been
cleaned,
put all of them back in reverse order.
17
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