Replacement Of Current Distributor - Universal Robots UR3 Service Manual

5. Service and Replacement of Parts
When completing the following replacement, please follow the guidelines laid out in section
Handling ESD-sensitive parts
NOTE
use the same procedure for power down and removing the aluminum cover plate
and cables for teach pendant as in chapter Replacement of Teach Pendant
To replace the 12V power supply follow the same steps as for the procedure in chapter
Replacement of 48V power supply
1. The 12V power supply is placed in the top of the rack. The screws holding it in the frame
are at the sides.
2. Replace 12V power supply with new one.
3. Reconnect the wires for the 12V power supply.
4. Re-install controller module in reverse order and connect the 2 wires for the fan and cables
for the teach pendant.
5. Carefully put back the aluminum cover plate, make sure to mount it correctly and fix it in
place with the 5 screws.
6. Connect power and verify that teach pendant functions correctly.

5.3.6. Replacement of Current distributor

WARNING
Before replacing ANY components inside the control box, it is IMPORTANT to do
a complete shutdown.
Follow the first 3 steps in section Complete rebooting sequence.
Service Manual 77 UR3