Mitsubishi Electric PLK-J10050RH, Technical Manual

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6-2-2. Adjustment of the main shaft detector
The main shaft detectors original position has to be adjusted when the state of needle bar upper position.
When remove the parts of main shaft detector component, please adjust the main shaft detector position
according to the following procedures.
(1) Remove the two screws (No.6) and remove the detector cover (No.5).
(2) Insert the hexagon wrench from the detector cover (No.5) opening and loosen the set screw (No.3)
which has detector plate (No.2).
(3) Remove the all of any parts, tools and screws on the sliding table. After make sure the work
environment safety, Turn the power switch on. At this time, do not press the home position return
icon .
<6>
<5>
<2>
<1>
<7>
<3>
<4>
a
<1>: Main shaft detector <2>: Detector plate <3>: Set scew <4>: Hand pulley
<5>: Detector cover <6>: Screw <7>: Detector attaching screw