– 22 –
(15) Adjustment of the moving knife and counter knife position
Standard Adjustment
Counter knife position : The clearance between the counter knife
and the needle hole guide
is 0.5mm.
Moving knife position : Before thread trimmer operation (standby state), the distance from the throat plate
front end to the tip of the thread cutter lever (small)
is 18.5mm.
(16) Adjusting the height of the moving knife and counter knife
Standard Adjustment
Moving knife
: The amount of mesh of the needle hole guide
with the moving knife
is 0.15mm.
Counter knife
: The height between the needle hole guide
and the blade of the counter knife
is 0.1 ~
0.15mm.
A
18.5mm
0.5mm
Moving knife link
A
0.1~0.15mm
0.15mm
(Throat plate)
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 ...