31.0：Adjustment and functions of feeding sensor
◆The main function of feeding sensor is:prevent foot lifting during sewing, the sensor lamp
goes out when entering the sewing state，press , can not lift the foot，when stop sewing,
the sensor lamp lights up and presses presser , lift the presser foot
◆Easy to adjust the presser foot up and down during maintain
Adjustment method；Loosen the set screws, adjust the sensor up and down, make sure
that the distance between sensor and sensor magnet is about 1.5mm, and could be lit up
when stop
set screws
set screw
sensor magnet
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