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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-170 or IP-110)
This panel allows users to conduct the settings of automatic reverse stitching, head sewing, sewing speed, and
more.
Pulley cover
This cover protects the machine head motor.
Thread stand
Control box (SC-910N)
The box contains the circuit that controls the head unit and motor, the output circuit that operates each output
(the thread trimming solenoid, back solenoid, wiper solenoid, etc.), the pedal sensor that detects the pedal
operation, and the power circuit that performs each function.
Operation pedal
This pedal allows users to conduct machine speed control, thread trimming, presser lifting motion (only for AK-
138), and more by depressing the front or back part of the pedal.
One-touch type reverse feed button
This button allows users to conduct reverse stitching.
Wiper
According to the wiper signal output from the control box, the needle thread is removed from the sewing material after
thread trimming.
Bobbin winder unit
This unit is integrated into the head unit.
Stitch dial
This dial adjusts the front feeding amount.
Knee lifter
Oil filler port (except for DDL-9000A-DS)
This port is used for lubrication to the hook. (except for DDL-9000A-DS)
Feed lever
This lever allows users to conduct reverse stitching.
Minute adjustable presser lifting screw
Hand wheel
Take-up lever cover
This cover prevents users from touching the take-up lever.
Finger guard
This guard prevents users (mainly thumb and fingers) from touching the needle.
Under cover
1st thread tension
2nd thread tension
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