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Trouble Shooting
If trouble should occur, check the following:
When operated properly, your sewing ma-
* The needle must not be damaged and
chine will hardly develop any trouble.
must be inserted correctly (p. 17).
Please remember to restore the normal set-
•
Select the correct needle and thread
ting after you have completed your sewing
from the Needle and Thread Chart (on
job
(buttonhole
sewing
or
darning,
for
inside front cover).
instance) by switching the machine back to
straight stitching, flicking the needle posi-
C Check
whether the
needle
has
been
lion lever to its central position, and setting
threaded correctly (p. 11).
the stitch length control on "2'.
• Use only high-grade machine thread or
sewing silk.
• Check to see that the bobbin case has
been inserted correctly (p. 9).
• Both tensions must be balanced correctly
(p. 16).
• Don't force the feeding motion, merely
guide the material lightly.
• Clean and oil the machine as instructed
(pp. 36 & 37).
• Make sure there are no pieces of thread
wedged between the tension discs. To
remove them, pull a narrow fabric strip
between the tension discs.
• The Pfaff rotary hook will not normally
jam, even
If the machine should
be
handled Improperly.
If thread should happen to jam In the
hook raceway, It Is sufficient to put a
drop of oIl Into the raceway, jerk the
balance wheel back and then rock It
back and forth, without applying force.
38
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