– 31 –
1. The position of the mechanical origin is shown in the illustration at
left.
2. In the horizontal direction, the needle hole center
<center of the
horizontal feed fulcrum shaft
> and the center of the vertical feed
fulcrum shaft
are aligned on a straight line.
3. Adjustments should be carried out according to 1) (22) Adjusting the
Y origine sensor and (23) Adjusting the X origin sensor.
Adjustment Procedures
Results of Improper Adjustment
o The maximum area cannot be
secured.
1. Select the test mode No. 2 (CP-2) origin retrieval.
2. Origin retrieval is conducted each time the pedal is trodden on.
Loosen the sensor slit set screw
and shift the position of the sen-
sor slit plate
. Apply the work feed plate to the origin position.
Refer to “ (21) Position of the mechanical origin.”
(Caution) After adjustments, confirm that the sensor slit plate
does not interfere with the sensor
.
Adjustment Procedures
Results of Improper Adjustment
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 ...