Replacing Joint #2 Reduction Gear Unit - Epson LS-B Series Maintenance Manual

LS3-B LS6-B Maintenance 6. Joint #2

6.2 Replacing Joint #2 Reduction Gear Unit

A reduction gear unit consists of the following three parts. When replacing the reduction
gear unit, be sure to always replace the following parts all together as one set.
Waveform generator, Flexspline, Circular spline
For details of the three parts, refer to 14. Maintenance parts list.
Reduction Gear Unit
Maintenance
parts
O-ring
Hexagonal
wrench
Torque wrench
Tools Nipper
Spatula
Wiping cloth
Screw (M3) Length about 20 mm
Material Wire tie
Grease Grease
LS3-B: A brake is mounted on the motor of Joint #3 to prevent the shaft from moving down
NOTE

LS6-B: A brake is mounted on the motor of Joints #3 and #4 to prevent the shaft from
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
48
Name
width across flats: 2 mm
width across flats: 2.5 mm
width across flats: 3 mm
due 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).
moving down and rotating due 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).
Qty. Note
LS3-B: 1587600
1 LS6-B: 1750571
LS6-B602S-V1: 1765520
LS3-B: 1213266 (CO0543A)
1
LS6-B: 1213267 (CO0547A)
1 For M4 set screw
1 For M3 screw
1 For M4 screw
1
1
1 For apply grease
1 For wiping grease (Flange)
1 For wiping grease (Bolt)
2 For removing the flexspline
-
- LS3-B: SK2
- LS6-B: SK-1A
LS-B series Maintenance Rev.1