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Power switch
This switch turns on and off the power to the head unit motor, electric components, and operation panel.
Operation panel (CP-18 or CP-180)
This panel allows users to conduct the settings of automatic reverse stitching, head sewing, sewing speed, and
more. (Cannot work without panel)
Thread stand
Operation pedal
This pedal allows users to conduct machine speed control, thread trimming, presser lifting motion (only for AK
type), and more by depressing the front or back part of the pedal.
Table stand level adjusting screw or caster
Adjust it in accordance with the workplace floor to eliminate any rattle and reduce vibration as much as pos-
sible.
Motor (M51N)
The motor drives the sewing machine at high, medium, or low speeds in response to output signals from the
control box.
Control box (SC-922)
The control box contains the circuit that controls the machine head and motor, the output circuit that operates
each output (thread trimming solenoid, back solenoid, wiper solenoid, etc.), pedal sensor for detecting pedal
operation, and the power circuit that activates each function.
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