Operating instructions

5.14 HP 13–10 electro-pneumatic rapid stroke adjustment
The sewing-foot stroke and stitch rate are interdependent. The control
unit detects what foot-stroke has been set by means of a potentiometer
and restricts the speed of rotation accordingly. The values are pre-set
in the control unit.
In free seam sections the maximum stroke can be activated while
sewing with knee switch 1.
CAUTION: DANGER OF INJURY!
Turn off the main switch!
The sewing-foot stroke and rocker switch may only be adjusted with
the machine turned off.
Setting the function of the knee sw itch
The function of the knee switch is activated o n the motor with the
parameter 138.
Activate the maximum stroke w hile sew ing
Press knee switch 1.
Once knee switch 1 is pressed (switch mode) the maximum
sewing-foot stroke remains effective until it is switched off by
pressing knee switch 1 again (stop mode).
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