Technical data

CORRECTIVE MAINTENANCE
CV ELECTRICAL POWER SYSTEM MAINTENANCE MANUAL 2A5A2-ELEC-MM-1-0 26
Procedure
1. Follow instructions in Section 6.2, General Notes, regarding hazmat
requirements, torque specifications, inspection of mounting hardware, and use of
Nylok® nuts, as applicable.
2. Perform the following steps in accordance with local requirements for SOC and
tag in/out, as applicable.
3. At the power tray front panel, turn off
BUS 1 POWER and BUS 2 POWER.
4. Remove four (4) bolts securing power tray to the control/power console and
gently pull out power tray. Ensure cables at the back of the tray are protected.
5. Replace the fuse at the fuse terminal block.
6. Gently push in power tray and reinstall four (4) bolts securing power tray to the
control/power console. Ensure cables at the back of the tray are protected.
7. At the power tray front panel, turn on
BUS 1 POWER and BUS 2 POWER. If replacing
fuse 2A5A2-F-EP03, confirm the functionality of the DGPS unit. If replacing fuse
2A5A2-F-EP04, confirm the functionality of the P-code GPS unit.
8. Return valves and electrical switches to the state that they were in before this
procedure was performed.
9. Inspect and determine disposition of any parts removed. If applicable, dispose of
removed parts and/or fluids in accordance with local requirements.
10. Ensure the preceding steps were performed in accordance with local
requirements for SOC and tag in/out, as applicable.
0.
4.13 Replacing a Power Room Fluorescent Assembly
DANGER!
Shock hazard! When performing work in the CV power room, be aware of
potential exposure to high voltage sufficient to cause lethal electric shock.
WARNING!
Shock hazard! Verify power to the unit is isolated before performing this
maintenance procedure.
Drawing References
7533008 CV power system wiring diagram
7533011 CV electrical power system schematic (2A5A2)
7533125 Lighting system assembly
7533127 Lighting cable routing
Special Tools
None
Spare Parts
V224-217IST8ELE Fluorescent lamp – vapor proof, 2L x 2FT