DIESEL ENGINE CONTROLS AND INDICATORS.

TM 55-1930-208-24

1-7. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - Continued.

p. PRESSURE GAGE. Indicates pressure of cargo during loading or unloading operations. Located at speed

reducer in machinery house. Discharge pressure is limited to 70 psi by the relief valve on the cargo pump, do not alter

the valve setting to exceed 70 psi. Loading pressures are determined by the shore facility.

1-8. DIESEL ENGINE CONTROLS AND INDICATORS.

a. WATER TEMPERATURE GAGE. Indicates temperature of engine coolant. Normal temperature is

approximately 165 (73.9 ). Possible trouble is indicated by readings above 180 (82.2 or below 155 (68.4 )).

b. OIL PRESSURE GAGE. Indicates pressure of engine lubricating oil. Safe pressure is between 30 to 60 psi.

c. THROTTLE CONTROL. Controls engine speed.

d. TACHOMETER. Located above power take off clutch. Indicates engine speed in revolutions per minute.

e. POWER TAKE OFF CLUTCH LEVER. Engages or disengages clutch to start or stop pumping operations.

Located between engine and speed reducer.

f. RUNNING LIGHTS. Battery operated. Located at forward corners of deck, green on starboard side and red on

port side, and centered on after deck, white 135 degrees.

1-9. DIFFERENCES BETWEEN MODELS.

This manual covers only the Barge, Liquid Cargo, Nonpropelled, Steel, 120 feet, design 231C.

1-10. EQUIPMENT DATA.

a. Data and Identification Plates.

(1) The identification plate for the diesel engine is located on the right side of the cylinder block.

(2) The identification plate for the power take off clutch is located on top of the clutch housing.

(3) The data plate for the speed reducer is located at the rear of the speed reducer.

(4) The data plate for the cargo pump is attached to the pump housing.

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