Epson T-B Series Maintenance Manual

T3-B T6-B Maintenance 11. Joint #3
94 T-B series Maintenance Manual Rev.1
11.3 Replacing the Brake
Name
Quantity
Note
Maintenance
part
Solenoid brake unit 1 1875188
Tools
Hexagonal
wrench
Width across flats: 2 mm
1
For M2.5 screw
Width across flats: 2.5 mm
1
For M3 screw
Width across flats: 3 mm
1
For M4 screw
Width across flats: 4 mm
1
For M5 screw
Torque wrench
1
Cross-point screwdriver (No. 2)
1
For cross-recessed screw
Force gage
1
Z: Belt tension 69N (7.0±0.5kgf)
Suitable cord (Length about 800mm)
1
For belt tension
Material
Wire tie
-
A brake is mounted on the Joint #3 motor to prevent the shaft from lowering down due to
the weight of the end effector while the power to the Manipulator 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.
Joint #3
Brake
Removal
(1)
Remove the Joint #3 motor unit.
Reference: 11.1 Replacing Joint #3 Motor “Joint #3 motor Removal”
(2)
Remove the brake from the
brake
plate.
2-M3×8
T3
-B
Brake
cable
Sloping part of
the brake plate
T6
-B
Brake
cable
Sloping part of
the brake plate
Joint #3
Brake
Installation
(1)
Mount the brake on the brake plate.
2-M3×8
Tightening torque: 2 ± 0.1 N·m
Be
careful of the direction of the sloping part of the brake plate and the brake cable
when mounting it.
(2)
Mount the Joint #3 motor unit and the solenoid brake.
Reference: 11.1 Replacing Joint #3 Motor “Joint #3 motor Installation”

NOTE

NOTE

Epson T-B Series Specifications

General

Brand	Epson
Model	T-B Series
Category	Robotics
Language	English