Table 2-2. Unit Troubleshooting - continued
TEST OR INSPECTION
RAW WATER PUMP NO. 2 ASSEMBLY
PUMP IS NOISY.
Check for loose external pump components
If external components are loose, tighten them.
If no loose external components are found, replace centrifugal pump assembly
PUMP RUNS HOT.
Replace pump (paragraph. 2-22) if this condition occurs
PUMP SHUTS DOWN ANDIOR FAILS TO START.
High voltages in this equipment can cause serious injury or death When applying
power during a test, take proper measures to ensure personal safety Never work
on electrical equipment unless there is another person nearby who is familiar with
the operation and hazards of the equipment and who is competent in
administering first aid.
Disconnect pump cable at J4 (RAW WATER PUMP NO 2 jack) and temporarily connect to J3 (RAW
WATER PUMP NO. 1 jack).
If pump works now, notify Direct Support Maintenance
Check if CB4 and/or K4 heater assembly injunction box are OFF
If CB4 and/or K4 heaters assembly are OFF, go to step 4
Disconnect pump at RAW WATER PUMP NO 2jack (J4) and check for three 208 VAC three phase
If 208 VAC is measured in all three tests (A-B, B-C and A-C), notify Direct Support Maintenance.