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39
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Adjustment Procedure
Results of Improper Adjustment
Checking items:
❶
Throat plate
* Raise the presser foot using the lifting lever and check that the dis-
tance between the throat plate surface and the presser foot sole is 5.8
to 6.0 mm (A).
* Check that the presser foot is parallel to the feed dog slot (D) in the
throat plate
❶
.
How to perform adjustment:
○
Raise the presser foot by lifting the lever.
○
Loosen the setscrew (B) of the presser bar guide bracket.
○
Move the presser bar (C) up or down and turn it to make adjustment.
○
Retighten the setscrew (B).
If the height of the presser foot is
excessively high, the needle thread-
er cannot enter the presser foot
when the presser foot is raised.
If the height of the presser foot is
inadequate, operability such as
the ease of material setting can be
aected.
If the presser foot is not in parallel
to the teeth slits, bad straightness
can be caused.
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