Mitsubishi Electric PLK-J4040R Technical Manual page 37

Industrial sewing machine
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(5) Loosen the fixing screw (No.6) and move the detector bracket (No.7) upward in advance then tighten
the fixing screw (No.6) temporally.
(6) Remove the sewing material and work holder and any parts. After make sure the work environment
safety, Turn the power switch on.
(7) After finish the origin movement, make sure the clearance between the bottom of presser foot and top
of the sliding plate is 18 mm. If this clearance is more, loosen the fixing screw (No.6) and move
downward the detector bracket (No.7) and tighten the screw again and press the origin return icon.
NOTICE Please be careful not to step on the foot switch by mistake.
(8) Continue the above adjustment up to be a correct distance 18 mm.
NOTICE From the second home position returning, it does not use the home position return sensor. Make
sure to turn the power switch off to change the mechanical home position.
To use the sensor from the second returning, press
returning method since the second time returning] on the standard screen and set it ON.
<7>
<6>
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<6>: Fixing screw
<7>: Detector bracket
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