Replacing Joint #2 Motor - Epson LS-B Series Maintenance Manual

6.1 Replacing Joint #2 Motor

Maintenance AC Servo
Parts Motor
Hexagonal
wrench
Tools Torque wrench
Nippers
Wiping cloth
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 moving
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
Joint #2 Motor (1) Turn ON the Controller.
Removal
(2) Push down the shaft to its lower limit while pressing the brake release switch.
(3) Turn OFF the Controller.
(4) Remove the Arm Top Cover.
(5) Remove the User Plate.
LS-B series Maintenance Rev.1
Name
100 W
200 W
520 W
width across flats: 2 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).
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).
Be sure to keep enough space and prevent the end effector hitting any peripheral
equipment.
LS3-B: The brake release switch is applied to Joint #3.
When the brake release switch is pressed, the respective brakes of the Joint #3
is released.
Be careful of the shaft falling while the brake release switch is being pressed
because the shaft may be lowered by the weight of an end effector.
LS6-B: 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.
For details, refer to 3.1 Arm Top Cover.
For details, refer to 3.5 User Plate.
LS3-B LS6-B Maintenance 6. Joint #2
Qty.
1 LS3-B: 2201472
1 LS6-B: 2197986 (without oil seal)
LS6-B602S-V1:
1
2215862 (without oil seal)
1 For M4 set screw
1 For M4 screw
1
1 For cutting wire tie
1 For wiping grease
-
- LS3-B: SK-2
- LS6-B: SK-1A
Note
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