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 TM 55-1905-242-14
OPERATOR MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
OPERATOR MASTER MALFUNCTION/SYMPTOM INDEX
The work packages listed below provide information useful in diagnosing and correcting unsatisfactory operation or failure
of LCM-8 Mod 2 systems and equipment. Troubleshooting procedures in these work packages are limited to the basic craft.
Refer to the manuals listed in WP 0225 00 for troubleshooting procedures for the engines, marine transmissions, diesel
generator, communication and navigation electronics, and the life rafts. Before using the troubleshooting procedures, en-
sure that all applicable operating procedures have been performed.
NOTE
The work packages below list the common malfunctions that you may find during the
operation or maintenance of the equipment. You should perform tests/inspections and
corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor can it list all tests, inspec-
tions, and corrective actions. If a malfunction is not listed or is not corrected by the
listed corrective actions, notify your supervisor.
Malfunction/Symptom
Troubleshooting Procedure
Accommodation module ventilation fans do not run
Accumulator pressure low
Air conditioner raw water pump inoperative
Air conditioning/heating compressor cycles on and off rapidly
Air conditioning/heating raw water pump does not pump or has low flow
Air conditioning/heating unit drips water into accommodation module or pilothouse
Air conditioning/heating unit fan blows, but will not heat or cool
Air conditioning/heating unit will not run
Alternator noisy
Alternator not charging
Alternator output low or unsteady
Batteries will not hold a charge
Battery compartment ventilation fan does not run
Bilge area drains slowly; very little overboard discharge
Bilge pump does not pump water
Black water pump stops pumping before the tank is empty
Black water pump runs, but will not pump
Black water pump will not run
Crane control lever does not return to its central position
Crane hydraulic pump noisy
Crane leaks hydraulic oil at its base
Crane motion is slow (one function only)
Crane moves jerkily
Crane will not operate in any mode
Electric toilet will not flush
Engine alarm alerts when no problem exists
Engine alarm system is inoperative
Engine room ventilation fans do not circulate air
Engine room ventilation fans do not run
Engine shutdown controls inoperative
Engine START button does not crank engine
Exhaust system is too hot
Exhaust system is too noisy
Fire detection system alerts when no problem exists
Fire detection system is inoperative
0031 00-1
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