TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 2-2. Unit Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
RAW WATER PUMP NO. 2 ASSEMBLY
1.
PUMP IS NOISY.
Check for loose external pump components
a
If external components are loose, tighten them.
b.
If no loose external components are found, replace centrifugal pump assembly
Refer to paragraph 2-22
2.
PUMP RUNS HOT.
Replace pump (paragraph. 2-22) if this condition occurs
3.
PUMP SHUTS DOWN ANDIOR FAILS TO START.
WARNING
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.
Step 1.
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
Step 2
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
Step 3
Disconnect pump at RAW WATER PUMP NO 2jack (J4) and check for three 208 VAC three phase
power
If 208 VAC is measured in all three tests (A-B, B-C and A-C), notify Direct Support Maintenance.
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