Operation Of The Halt Switch; Adjustment Of The Thread Tension - Mitsubishi Electric PLK-J2516R-YU Technical Manual

5-7. Operation of the halt switch

(1) If accidents such as a thread breakage, needle breakage and others happened during the sewing,
press the halt switch (No.1) immediately. The sewing machine stops instantly.
(2) To cancel the halt state, press the halt switch again.
(3) When continuing sewing, step on the grey foot switch to restart at the halted position. (Press the
jogging in forward/reverse direction icon so that the sewing start position will move.)
(4) To cancel sewing, press the home position return icon
<1>

5-8. Adjustment of the thread tension

(1) Adjust the bobbin thread tension with the thread tension adjusting screw (No.2) on the bobbin case
(No.1). The thread tension become loose if turn the thread tension adjusting screw (No.2) to the
counterclockwise, and the thread tension becomes tight if turn it to the clockwise.
<1>
<1>: Halt switch
<2>
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<1>: Bobbin case
<2>: Adjusting screw