Replacing The Reduction Gear Unit - Epson LS20-B Series Manual

8.4 Replacing the Reduction Gear Unit

Maintenance
Reduction Gear Unit
part
Hexagonal
wrench
Spanner
Tools
Cross-point screwdriver (#2)
Torque wrench
Sonic tension meter
Material Wire tie
The brakes are mounted on the Joints #3 and #4 to prevent the shaft from moving down due
NOTE

to the weight of the end effector while the power to the Controller is OFF or while the motor
is in OFF status (MOTOR OFF).
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
LS20-B Rev.4
Name
width across flats: 3 mm
width across flats: 4 mm
width across flats: 7 mm
Maintenance 8. Joint #4
Qty. Note
1 1493783
1 For M4 screw
1 For M5 screw
For M4 hexagon head bolt
1
and M4 hexagon nut
1 For M4 screws
1
1 Refer: Unitta U-508
- For binding cables
141