Epson LS20-B Series User Manual

Maintenance 8. Joint #4
LS20-B Rev.4 131
U belt
Removal
(1)
Turn ON the Controller.
(2)
Push down the shaft to its lower limit while pre
ssing the brake release switch.
Be sure to keep enough space and prevent
the end effector hitting any
peripheral
equipment.
The brake release switch is applied to both Joints #3 and Joint #4.
When the brake
release switch is pressed, the respective brakes of the Joint #3 and Joint #4 are released
simultaneously.
Be careful of the
shaft falling and rotating while the brake release switch is
being
pressed
because the shaft may be lowered by the weight of an end effector.
(3)
Turn OFF the Controller.
(4)
Remove the
Arm Top Cover.
For details, refer to Maintenance: 3.1 Arm Top Cover.
(5)
Remove the clip band and
sheet bundling the motor cables.
Cut off the wire tie fixing the cable
s to the belt tensioner.
D
o not cut the wire tie (in the duct fittings outlet) that binds the cables to the duct
plate.
Removed parts
will be used again. Be careful not to lose them.
Clip Band
Wire Tie
Duct Plate
Silicon Sheet
Clip Band
Duct Plate
User Plate
Belt Tensioner
(6)
Dis
connect the following connectors.
Connectors: X231, X241, X43, X44, X51, BR3, BR4
(Hold the clip to remove.)
(7)
Remove
the User Plate and the Duct Plate.
For details
, refer to Maintenance 3. Covers.
(8)
Remove the screws
mounting the Joint #3 motor
unit
.
Remove
the Joint #3 motor from the motor plate
and pull out the Z belt.
For details, refer to Maintenance 7.2. Timing
Belt.
Joint #3
Motor Unit
3-M5×20
+ washer for
slotted hole

Epson LS20-B Series Specifications

General

Brand	Epson
Model	LS20-B Series
Category	Robotics
Language	English