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 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
BILGE/BALLAST AND FIREMAIN PIPING SYSTEM - CONT
STEP 6. Check for open BILGE PUMP MOTOR circuit breaker at Main Switchboard.
Reset circuit breaker.
STEP 7. Check for defective motor controller.
Refer to MOTOR CONTROLLER troubleshooting Malfunction 201, STEPS 1 through 3.
STEP 8. Check for worn or defective bilge pump.
Refer to BILGE/BALLAST PUMP troubleshooting (TM 55-1905-223-24-13).
SEAWATER COOLING PIPING SYSTEM
Low discharge pressure.
219,
STEP 1. Check for partially closed suction valves.
Ensure suction valve is fully open.
STEP 2. Check for partially closed discharge valve.
Ensure discharge valve is fully open.
STEP 3.
Check for dirty or clogged duplex strainer.
a.
Isolate
strainer.
b.
Clean or replace strainer basket.
STEP 4. Check for sticking valves.
Refer to POTABLE WATER SYSTEM troubleshooting, Malfunction 1, Step 6.
STEP 5. Check for leaking valves.
Refer to POTABLE WATER SYSTEM troubleshooting, Malfunction 1, Step 8.
STEP 6. Check for leaking flange joints or loose flange connections.
Refer to BILGE/BALLAST AND FIREMAIN SYSTEM troubleshooting, Malfunction 1,
Step 7.
STEP 7. Check for piping failure.
Locate leak, isolate repair or replace affected piping.
STEP 8. Check for leaking pipe fitting.
Locate leak, isolate repair or replace fitting (para. 2-336).
2-166
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