JUKI LK-1900A Series User Manual

– 6 –
(2) Removal of the main shaft motor and coupling
Procedures of disassembling
1. Removal of the main shaft motor together with coupling
Loosen the two set screws on the main shaft side of the coupling . Then, remove the four motor set
screws .
2. To remove the coupling
from the main shaft motor , loosen the two set screws on the main shaft side.
(Caution) Turn the main shaft
in the direction of forward rotation
AA
AA
A
. The screw (hole) that can be
seen first is the No. 1 screw. Loosen the screws, starting with the No. 2 screw. Tightening
should be done, starting with the No. 1 screw.
Code
No. 2 screw
No. 1 screw
No. 1 screw
Flat
section
0.5mm
A

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)