SINGER W311 BBS User Manual

Page 28

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When the machine is continually in use, it is necessary to-

clean the race at least once a month.

(a)

Take out the bobbin case, and release the clip (A) on

both sides of the shuttle race by pushing them down from

the center.

(b)

Remove the race ring (B) and take out the shuttle hook

(C).

(c)

Remove accumulated thread,

etc.,

from retaining ring,

hook and race body.

(d)

Oil again, wipe off surplus oil and replace.

CLEANING THE SHUTTLE MECHANISM