Table of Contents
Advertisement
7.3 Replacing the Brake
Maintenance
Electromagnetic Brake
parts
Hexagonal
wrench
Tools
Torque wrench
Nippers
Sonic tension meter
Force gauge
Suitable cord (Length about 800 mm)
Material
Wire tie
LS3B: A brake is mounted on the motor of Joint #3 to prevent the shaft from moving down
NOTE
LS6B: 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 #3 brake
(1) Turn ON the Controller.
Removal
(2) Push down the shaft to its lower limit while pressing the brake release switch.
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.
LS6-B: When the brake release switch is pressed, the respective brakes of the Joint #3 and
(3) Turn OFF the Controller.
(4) Remove the Arm Top Cover.
For details, refer to 3.1 Arm Top Cover.
LS-B series Maintenance Rev.1
Name
width across flats: 1.5 mm
width across flats: 2.5 mm
width across flats: 3 mm
width across flats: 4 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).
When the brake release switch is pressed, the respective brake 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.
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.
LS3-B LS6-B Maintenance 7. Joint #3
Qty.
Note
1
1750573
1
For M3 set screw
1
For M3 screw
1
For M4 screw
1
For M5 screw
1
1
For cutting wire tie
Z: Axial tension (pulling force)
1
69N (7.0 ± 0.5 kgf)
1
For belt tension
-
61
Advertisement
Table of Contents
