Technical data

CORRECTIVE MAINTENANCE
CV ELECTRICAL POWER SYSTEM MAINTENANCE MANUAL 2A5A2-ELEC-MM-1-0 22
6. Remove the UPS.
7. Install the new UPS.
8. Reconnect two (2) cables at the UPS.
9. At the
480 V 3Ø DISTRIBUTION PANEL, turn on BUS #1 MAIN DISCONNECT (2A5A2-CB-
EPO8-1) and
BUS #2 MAIN DISCONNECT (2A5A2-CB-EPO8-2) switches.
10. In the CV, at the
POWER DISTRIBUTION UNIT, set POWER BUS #1 (2A5A2-1B-EP01-1)
and POWER BUS #2 (2A5A2-CB-EP01-2) to ON.
11. Confirm functionality of the UPS.
12. Return valves and electrical switches to the state that they were in before this
procedure was performed.
13. Inspect and determine disposition of any parts removed. If applicable, dispose of
removed parts and/or fluids in accordance with local requirements.
14. Ensure the preceding steps were performed in accordance with local
requirements for SOC and tag in/out, as applicable.
0.
4.10 Replacing a Power Bar
WARNING!
Shock hazard! Verify power to the unit is isolated before performing this
maintenance procedure.
Drawing References
7533008 CV power system wiring diagram
7533009 Power system assembly (2A5A2)
7533010 Power system cable routing
7533011 CV electrical power system schematic (2A5A2)
7533026 Control/power console power bar installation details
7533028 Video console power bar installation details
7533031 Operators console power bar installation details
Special Tools
None
Spare Parts
SP187A Power bar – Black box
Preconditions
None