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(1) Power switch
Power switch for motor, PSC, operation panel, etc.
(2) Operation panel
This panel can set automatic reverse feed stitching, pattern sewing, etc.
(3) Pulley cover
This is a cover for safety and prevents dust which enters inside motor.
(4) Thread stand
(5) PSC box
Circuits to control the sewing machine and motor, output circuits to function the respective outputs (thread
trimmer solenoid, back solenoid, etc.), pedal sensor to detect the pedal operation, and power circuits to function
the respective functions are stored in this box.
(6) Max. speed control knob (Max. speed limitation variable resistor)
This is a variable resistor to limit the maximum speed by analog.
(7) Operation pedal
Speed control of sewing machine, thread trimming operation or presser lifting operation (for AK-118 type only)
can be performed through the operation of depressing the front part or back part of the pedal.
(8) Touch-back switch
This is a hand operated switch to perform reverse feed stitching.
(9) Wiper device
Needle thread after thread trimming is wiped out by wiper signal output from the PSC box.
(10) Screw for level adjustment of table/stand (Caster)
Adjust the screw in accordance with the floor on which the operator works so that there is no play and less
vibration.
(11) Resistor pack
This is used to automatically identify the model of sewing machine used.
(12) Bobbin winder
This is a bobbin winder built in the machine hed.
(13) Thread trimmer retainer
This works to cut and retain bobbin thread wound with the bobbin winder.
(14) Tension release change-over screw
When handling the materials at the corner of thick overlapped section or the like by using the knee lifter, this
screw makes thread release work and prevents thread from partial defective thread tightness.
(15) Micro-lifter screw
When sewing hard-to-sew materials such as velvet or the like, sewing can be performed in a condition that
the presser foot is slightly lifted.
(16) Under cover
This cover prevents lint or dust which occurs at the time of sewing from falling on the floor.
(17) Oil hole
For the SS and SH types, when oiling into oil tank, use this hole after removing the cap.
(18) Air vent
This is used to prevent the inside pressure from being increased due to rise of tempearture in the gear box
when the sewing machine is operated.
(19) Oil amount indication window (SS, SH)
This indicates the oil amount in oil tank. Fill oil when the top end of indication rod comes to the lower engraved
marker line.
