JUKI LK-1900A Series User Manual

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1. Mounting of the main shaft motor together with the coupling
1) Tighten the four motor set screws . Then, tighten the two set screws on the main shaft side of the
coupling .
2) The cords of the main shaft motor should be positioned in the sidewise direction.
2. Incorporation of the coupling in the main shaft motor
1) Provide a clearance of 0.5mm between the coupling and the main shaft motor .
2) Apply the No. 1 screw of the coupling to the shaft flat section of the main shaft motor , and fix it.
3. Meshing of the coupling
1) Apply the set screw (No. 1 screw) of the main shaft motor side to the section between the two set screws
of the main shaft, and get them meshed.
Procedures of assembling

JUKI LK-1900A Series Specifications

General

Stitch Type	Lockstitch
Max Sewing Speed	3, 000 sti/min
Power Consumption	550W
Needle Bar Stroke	41.2 mm
Needle Type	DP×5
Number of Patterns	50 standard patterns
Sewing Area	30mm x 40mm
Lubrication	Automatic lubrication
Presser Foot Lift	17mm (max)