JUKI MB-1800 series, Руководство инженера

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(3) Adjusting the feed origin sensor
1) Remove the hinge screw attached to the machine arm,
enter the sensors in the hole of the feed plate, and fix
them with the screw hole in the bed.
2) Tilt the sewing machine.
3) Turn ON the power switch. (Remove the control box cover.)
4) Loosen the origin sensor installing plate setscrews.
5) Fix the left-hand sensor as observed from the front of the
sewing machine at the position where LD2 on the MAIN
circuit board goes out, then lights up. (30 to 40 kgf)
6) Fix the right-hand sensor as observed from the front of
the sewing machine at the position where LD3 on the MAIN
circuit board goes out, then lights up. (30 to 40 kgf)
(4) Adjusting the presser lifter stopper
1) Loosen the nut and adjust so that the distance from the
end face of the machine arm to the end face of the presser
lifter stopper should be 10 mm.
Adjustment Procedures Results of Improper Adjustment