Epson LS-B Series Maintenance Manual page 329

When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
NOTE

Head Cap Bolts.
Joint #4 Brake (1) Mount the brake on the motor plate.
Installation
(2) Mount the Joint #4 motor on the motor plate.
(3) Mount the extension shaft on the Joint #4 motor
NOTE

LS-B series Maintenance Rev.1
Before you mount the motor, make sure that the
brake harness passes through a gap of the motor
plate.
When mounting the motor, be careful not to
catch the brake harness in the space between the
motor plate and Joint #4 motor.
After the motor is mounted, bind the brake
harness with a wire tie and fix it on the motor.
unit while aligning the hub of the extension
shaft to the brake disc.
Tighten one of the set screws vertically on the
flat face of the extension shaft.
Insert a bushing into the other set screw hole to
prevent damage to the extension shaft.
When the brake disc is not aligned, manually adjust the position by following the steps
below.
1. Connect the connector: BR4.
2. Press the brake release switch to release the brake.
3. Manually adjust the brake disc so that the hole will be at the center.
LS20-B Maintenance 8. Joint #4
3-M2.5×10
Brake
Joint #4
Motor Plate
Motor Plate
Joint #4 Motor
2-M4×70
Extension shaft
M3×5 Set Screw
+ M3 Bushing
M3×5
Set Screw
315