Epson LS-B Series Maintenance Manual page 317

(8) Remove the screws mounting Joint #4
(9) Remove the cover of the hole for fixing the
(10) Remove Joint #4 motor unit from the reduction gear unit.
(11) Mount the cover of the hole for fixing the extension shaft on the side of reduction
(12) Pull the motor unit upward to remove.
(13) Loosen the set screws tightening the extension
(14) Remove the Joint #4 motor from the motor plate.
LS-B series Maintenance Rev.1
motor unit on the reduction gear unit.
extension shaft on the side of the reduction
gear, and loosen the screws.
If the screw position does not match, turn
the motor slightly and move until the screw
fixing the extension shaft can be seen.
gear unit.
shaft and remove the shaft from the Joint #4
motor unit.
There is a brass bushing in one of the set screw
holes. Be sure to keep the bushing.
LS20-B Maintenance 8. Joint #4
3-M3×12
+Plain Washer
Hole for fixing the
extension shaft
Joint #4
Reduction Gear Unit
M3×5 Set Screw
+ M3 Bushing
Motor Plate
Joint #4 Motor
2-M4×70
Joint #4
Motor Unit
M3×5
Set Screw
Extension Shaft
303