Setting the mechanical stitch adjustment
Service Instructions 869-M PREMIUM - 00.0 - 07/2018 35
7.2 Setting the eccentric for the forward and backward
stitches
Proper setting
The forward and backward stitches are the same length. As a test, sew
a seam forward on a sheet of paper, stop, and sew a seam backward.
The insertions of the forward and backward stitches have to lie within one
another.
Fig. 23: Setting the eccentric for the forward and backward stitches
Proper setting
The slot of the eccentric (3) is flush with the threaded pin (1).
The values for the forward and backward stitches are calibrated at the
OP3000 control panel ( p. 129).
(1) - Eccentric (2) - Threaded pin
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