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6) CP-6 (work clamp foot/thread trimmer motor/origin sensor check)
Inching operation of the work clamp foot/thread trimmer motors, operation of origin retrieval, and the status of
origin and thread trimmer sensors are displayed.
1. Preparation
In the first place, the key is pressed to carry out origin retrieval of needle thread clamp.
After operation for preparation, the sewing LED is turn on.
2. Operation
7) CP-7 (Needle thread clamp motor / origin sensor check)
Inching operation of the needle thread clamp motor, operation of origin retrieval, and the status of needle thread
clamp origin sensor and needle thread clamp sensor are displayed.
1. Operation
According to the status of the work clamp foot origin sensor, “0” or “1” is displayed.
According to the status of the thread trimmer sensor, “0” or “1” is displayed.
Using the and keys, the work clamp foot/thread trimmer
motors are driven in the directions of +/- for each pulse.
Using the key, the work clamp foot/thread trimmer motor is
driven to each specified position.
1
Work clamp foot rising position
2
Work clamp foot lowering position (lowering position during
pedal operation)
3
Thread trimmer position
4
Work clamp foot lowering position (lowering position after thread
trimming)
5
Wipe-out position
Driving in reverse rotation is conducted when the key is
pressed with the key kept pressed.
(Caution) This feature is available after the completion of ori-
gin retrieval of the work clamp foot/thread trimmer
motors with the Start SW.
Origin retrieval of the work clamp foot/thread trimmer motors is carried out by the use of the Start SW.
According to the status of the needle thread clamp sensor, “0” or “1” is displayed.
Using the and keys, the needle thread clamp motor is
driven in the directions of +/- for each pulse.
According to the status of the needle thread clamp origin sensor, “0” or “1” is
displayed.
Using the key, the needle thread clamp motor is driven to
each specified position.
1
Standby position (front side)
2
Needle thread bending position
3
Needle thread clamp position
4
Refuge position (rear side)
(Caution) This feature is available after the completion of
origin retrieval of the needle thread clamp motor
with the Start SW.
Origin retrieval of the needle thread clamp motor is carried out by the use of the Start SW.
Summary of Contents for LK-1900A
Page 20: ... 16 10 Hook adjustment Standard Adjustment 0mm 0mm 7 5mm 0 05 0 1mm For DPX5 For DPX17 ...
Page 90: ... 86 Grease Grease Grease Grease Grease 8 Needle thread clamp mechanism area ...
Page 91: ... 87 Grease Grease A Grease Grease Grease Grease 9 LK 1901A relations ...
Page 92: ... 88 10 LK 1903A relations Grease Grease ...
Page 114: ... 111 12 Circuit diagrams 1 Block diagram A ...
Page 115: ... 112 2 Power supply circuit diagram A ...
Page 116: ... 113 3 Power supply circuit diagram B ...
Page 117: ... 114 4 Power supply circuit diagram C ...
Page 118: ... 115 5 Servo motor circuit diagram ...
Page 119: ... 116 6 Sensor pedal VR circuit diagram ...
Page 120: ... 117 7 MAIN PANEL board circuit diagram ...
Page 121: ... 118 8 Motor solenoid circuit diagram Thread trimmer Lifting the work clamp foot motor ...