Adjustment Procedure
Results of Improper Adjustment
1. The front and rear positions of the inner hook presser ❶ can be
adjusted by means of the setscrew ❷.
[Standard adjusting value]
Fasten the needle entry section by means of the setscrew ❷ so
that it is located closer to the shoulder section toward the front
side from the center of the embossed part in the inner hook
presser ❶.
◦ If the embossed part of the inner
hook presser ❶ has any aw, this
can be a cause of thread break-
age or uneven sewing.
In such a case, the damaged part
shall be replaced with a new one.
◦ If the inner hook presser ❶ is
positioned inadequately, an
extra tension is exerted when the
thread comes out of the em-
bossed part. This can be a cause
of shrinkage errors.
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