Flowserve UEX Limitorque - Manual (Page 13)

13
Limitorque UEX FCD LMENIM1205-03-AQ – 05/15
flowserve.com
NOTE: Confirm that the limit switches are set properly prior to disassembly and removal of the UEC-3
and related components. Confirming the settings will allow for installation of the UEX Electronic
Controller without requiring a reset of the limit switches.
1. Turn off the power to the actuator.
2. Open the Controls Compartment Cover.
3. Cut and remove all wire ties from wiring that is connected to the UEC-3 assembly (pc# C-201).
4. Disconnect the incoming power from the Interconnect Board.
5. Disconnect the Motor leads and Heater leads from the Interconnect Board.
6. Disconnect the Pushbutton Station ribbon cable from the Interconnect Board.
7. Disconnect the Analog-to-Digital Circuit Board (pc# C-223) ribbon cable from the Interconnect Board.
8. Disconnect the R/I circuit board (pc# C-210) ribbon cable
9. Uninstall the Potentiometer by removing the screws that fasten it to the MDPI assembly.
10. Uninstall the MDPI assembly by removing the screws that fasten it to the Geared Limit Switch
assembly.
11. Unplug the optional I/O Circuit Board (pc# C-223) from the SBC Board on the UEC-3 Assembly.
12. Label all customer wiring and disconnect from the Interconnect Boards.
13. Remove the four screws from the UEC-3 Assembly (pc# C-201) and carefully remove the Assembly
from the Controls Compartment.
14. Remove the Pushbutton Station with ribbon cable from the L120 gear housing conduit entry.
4
Removal of the UEC-3
Electronic Controller