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 TM 55-1905-242-14
OPERATOR MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
OPERATOR TROUBLESHOOTING PROCEDURES
POTABLE WATER SYSTEM
INITIAL SETUP:
Personnel Required:
One Watercraft Engineer, 88L
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Potable water pump cuts
Check motor for overheating.
Ventilate pump area and wait
off while operating.
for motor to cool.
2. Potable water pump runs
Check lines for leakage.
Tighten loose connections or
when the faucets are
notify unit maintenance for
closed.
repair.
3. Potable water tank level
Check that the RUDDER ANGLE & TANK
Set to ON the RUDDER ANGLE
gauge inoperative.
GAUGES circuit breaker is ON.
& TANK GAUGES circuit breaker.
4. Potable water pump will
1.
Check the water level in the tank.
Replenish the tank as required.
not prime.
2.
Check the hose connections for tightness and
Tighten any loose hoses.
signs of damage.
Notify unit maintenance for
repair of hoses.
5. Potable water pump will
1.
Check that the FRESH WATER PRESSURE
Turn ON the FRESH WATER
not pump water.
switch is ON.
PRESSURE switch.
2.
Check the water level in the tank.
Replenish the tank as required.
6. Potable water pump will
1.
Check for OPEN faucets.
CLOSE unused faucets.
not shut off.
2.
Check lines for leakage.
Tighten loose connections or
notify unit maintenance for
repair.
END OF WORK PACKAGE
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