23 BA_310D-R_3100D-R_A16-3_180117_en
4.7 Stitch depth
By stitch depth one understand the distance of the highest plunger position to
the outside radius of the needle, the plunger presses the sewing material from
underneath in the stitch plate opening, so that the needle stitches into the fabric
layers at the required depth.
Low stitch depth: the needle penetrates less deep into the fabric layers
of the sewing material.
Large stitch depth: the needle penetrates deeper into the fabric layers of
the sewing material.
With too low or too large a stitch depth, omissions or through-stitches can
occur.
4.7.1 Adjusting the stitch depth (Fig. 2 and Fig. 6)
With the aid of the stitch depth regulating button (3) (Fig. 2) on the lower arm on
the right, the plunger can be lifted or lowered dependant on the thickness of the
fabric. Above this regulation button is a plate which shows how the button must
be turned so that the plunger is lowered or lifted.
Turning the button to the right – plunger goes upward,
needle penetrates deeper.
Turning the button to the left – plunger goes downward,
needle penetrates less deep
See also “4.7.2 Digital stitch depth display (Fig. 13)”.
The stitch depth for the side plunger is adjusted with the knurled screw (4)
(Fig. 6) on the left above the stitch plate.
Turning to the front (clockwise) – needle penetrates deeper
Turning to the back (anti-clockwise) – needle penetrates less deep.
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