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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
BLACK WATER SYSTEM
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Black water pump runs,
1.
Check the alignment of the diverter valves
Align the diverter valves as
but will not pump.
required for the desired operation.
2.
Check the suction lines for leakage.
Tighten any loose suction lines
or notify unit maintenance for
repair.
2. Black water pump will
1.
Check that BLACK WTR DISC PUMP
Set to ON the BLACK WTR
not run.
circuit breaker is set to ON.
DISC PUMP circuit breaker.
2.
Check that the BLACK WATER DISCHARGE
Turn ON the BLACK WATER
switch is in the ON position.
DISCHARGE switch.
3. Black water pump stops
Check the black water tank vent for stoppage.
Clear the stoppage.
pumping before the tank
is empty.
END OF WORK PACKAGE
0047 00-1/2 blank
0047 00-1
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