Replacing Joint #4 Motor - Epson VT Series Manipulator Manual

12.1 Replacing Joint #4 Motor

Maintenance
Joint #4 motor unit
parts
Hexagonal wrench (width across flats: 3 mm)
Torque wrench
Tools
Nippers
Belt tension meter
Wire tie
Material
The brake is mounted on each joint to prevent the arm from lowering due to its own weight while the
controller power is OFF or the motor is OFF status. The brake does not work during replacement.
Be careful when performing maintenance work.
Joint #4 Motor (1) Turn OFF the Manipulator.
Removal
(2) Remove the Arm #3 Cover.
(3) Cut off the wire tie bound inside the Arm #3
NOTE

(4) Cut off the wire tie that binds the following
NOTE

(5) Remove the plate (with AMP board) inside the Arm
VT Rev.1
Name
For details, refer to Maintenance: 7.3 Arm #3 Cover.
Wire tie: AB150 × 2
Be careful not to cut the harness.
cables of the Joint #4 motor.
Wire tie: AB100 × 2
Power cable
Signal cable
Be careful not to cut the harness.
#3.
Hexagon socket head cap bolts with captive washer:
2-M4×12
Maintenance 12. Joint #4
Quantity
1 2194599
For M4 hexagon socket head
1
cap bolts
1 For tightening torque control
1 For cutting wire tie
1 Refer: Unitta U-505
-
Note
195