Removal Of The Main Shaft Motor And Coupling - JUKI LK-1900AN Engineer's Manual

(3) Removal of the main shaft motor and coupling

1. Removal of the main shaft motor together with coupling
Loosen the two set screws 5 on the main shaft side of the coupling 2 . Then, remove the four motor
set screws 4 .
2. To remove the coupling 2 from the main shaft motor 3 , loosen the two set screws 6 on the main
shaft side.
(Caution) Turn the main shaft 1 in the direction of forward rotation A . The screw (hole) that can
be seen first is the No. 1 screw. Loosen the screws, starting with the No. 2 screw. Tight-
ening should be done, starting with the No. 1 screw.
Procedures of disassembling
No. 2 screw
Flat section
No. 1 screw
– 8 –
No. 1 screw
0.5 mm
Cord