Difference Between Models

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Location and Description of Major Components

TM-55-1905-223-24-3 Ship s Service Generator for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 1-4. Fuel Pump Dataplate.

TM 55-1905-223-24-3

1-9. Difference Between Models. The only difference in the two ship's service generator sets (NTA 855-GC)

is in the engine starting motors.

a. Starboard Engine. The generator engine on the starboard (right) side of the vessel is equipped with

an electric starter motor and solenoid.

b. Port Engine. The generator engine on the port (left) side of the vessel is equipped with an air starter.

1-10. Engine Identification Data. For model identification of an engine, check the data or serial number

plate. The following example shows how the engines are identified.

NTA 855-GC

N = Model Identification (In-Line)

T = Turbocharged

A = Aftercooled

855 = Cubic Inch Displacement

GC = Generator/Continuous

a. Engine Dataplate. The engine dataplate shows specific information about your engine. The engine

serial number and the Control Parts List (CPL) provide information for ordering parts and service needs (Figure

FIGURE 1-2. Engine Dataplate Location.

b. Serial Number and Control Parts List. Always record the serial number (1) of the engine, the CPL

(Control Parts List) number (2), and the engine model number (3) on all orders for parts. This information is

important for fuel pump calibration and correct identification of parts (Figure 1-3).

FIGURE 1-3. Dataplate Information to Record.

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