Location and Description of Major Components

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FIGURE 1-1. Location of Major Components.

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Location and Description of Major Components - continued

TM 55-1905-223-24-1

e. Water Filter Group (5). Four spin-on filters and head assembly, located on the front of the engine.

f. Cylinder Block assembly (6). The engine block, which supports the assemblies necessary for engine

operation.

g. Water Pump Group (7). Centrifugal water pump, located on the right side near the front of the

engine.

h. Cold Starting Aid Group (8). Two thermostatically controlled coolant heaters, located on the deck on

either side of the engine.

i. Lubricating Oil Pump Group (9). Gear driven lube oil pump, located in the cylinder block directed

below the crankshaft.

j. Lube Oil Bypass Filter Group (10). Two spin-on filters and head assembly, located on the lower right

rear corner of the engine.

k. Engine Air Starter (11). Turbine driven starter, located on the right side near the rear of the engine.

l. Lubricating Oil Cooler Group (12). Plate type heat exchangers, located in the main water passage in

the center of the "V" of the cylinder block.

m. Sump Pump Group (13). Manually operated lube oil pump, located at the right rear of the engine.

n. Fuel Manifold Group (14). Fuel distribution piping assembly, located on the rocker lever housing on

both sides of the engine.

o. Rocker Housing Cover, Rocker Lever Housing Group (15). Sixteen rocker lever assemblies, located

on the top of the cylinder heads.

p. Cylinder Head Group (16). Sixteen cylinder head assemblies, located on the top of the cylinder

block.

q. Instrument Panel Group (17). Electrical panel, located at the top rear of the engine, that contains

gauges and switches for local control of the engine.

r. Exhaust Manifold Group (18). Exhaust air assembly, located on the top of both sides of the engine.

s. Fuel Filter Group (19). Two filter canister assemblies, located on the rear of the engine near the top.

t. Connecting Rod and Piston Group (Internal. 20). Sixteen sets of pistons and connecting rods, located

in the cylinder block.

u. Flywheel Housing Group (21). The flywheel, ring gear, and barring mechanism assemblies, located

at the lower rear of the engine.

v. Handhole Cover Group (22). Eight access covers, located on each side of the cylinder block.

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