SunStar KM-818, Руководство пользователя

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10) Adjustment of stroke for Sub-Presser Foot
In general, the stroke of the presser foot and sub-
presser foot is the same mutually. To increase their
stroke, move the upper feed link ① up within the
extenden screw hole. And to decrease, move it down,
and then fasten the nut. In case of deffering the stroke
of the presser foot and the presser foot, loosen the
upper feed link screw when the bottom of both presser
foot meet at the upper position of the needle plate,
fasten screw ② by turning the near fly wheel then the
stroke of sub-presser foot is begger than the stroke of
presser foot. In case of turning the fly wheel to the
opposite direction, the stroke of the presser foot is
bigger than the sub-presser foot.
11) Adjustment of the Feed Cam
The timing of the gear and the needle are adjust by turning to up and down of feed cam.
Turn the pulley manually until the needle bar is placed in its highest position. In this position,
the center of clamp screw ② of the eccentric cam ① must correspond to the central line of the
upper shaft ③.
[Fig. 18]
[Fig. 19]
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