JUKI LK-1900A User Manual

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13. Attaching the shank botton (optional)
(1) Specifications
Max. speed of the pattern data is limited to 2,700 rpm. However, set it to 1,500 rpm
for the shank button.
Sewing pattern program No.18 to No.22
(Refer to the sewing program list on page 65.)
Model
Needle
Shape of button
Sewing speed
Stitch shape
Optional
TQx3 #14
Outside diameter
Diameter of hole
Position of hole
Shape of shank section
As for the dimensions of the shape of shank section,
reder to the above table for reference.
Max. ø20
Min. ø1.5
1.5 mm or more
t
1
3
5
Minimum
4
3
–
Maximum
9
8
7
R(mm)
t
RR
RR
R

JUKI LK-1900A Specifications

General

Stitch Type	Lock Stitch
Power Consumption	550 W
Thread Take-up	Rotary type
Lubrication	Automatic
Needle Type	DP×5
Presser Foot Lift	17 mm
Needle Size Range	#11 - #18
Presser Foot Lift Type	Automatic / Manual
Bobbin	Rotating hook
Motor	Servo motor