TM 55-2210-224-341-9. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (CONT)5.DIESEL ENGINES Two six-cylinder in-line, turbocharged, water-cooled, four-cycle, engines provide power. Theyare directly connected to the two main generators.6.ENGINE RADIATORS. Two radiators, one for each engine, keep engines at proper operating temperature.7.NDBOXES AND SAND CONTROLLERS. There are four sandboxes and sand controllers, one for each front andrear wheel. The sand controllers are mounted underneath the sandboxes and deliver a metered amount of sand tothe front and rear driving wheels. The sand controller is controlled by the sander control valve.8.BATTERY CHARGING ALTERNATORS. Two 32-volt, 60-amp, internally regulated alternators, one on eachengine, provide power for charging the batteries and operating low-voltage lights and controls.9.TRACTION MOTORS. Traction motors are axle hung and supported on the truck transoms by spring-loadedsuspension. One motor is geared to each axle through a double gear reduction with a final ratio of 14.96:1.10 MAIN RESERVOIR AIR TANKS. Two main reservoir tanks, to the front and rear of the fuel tank, provide a meansof storing air for the air system.11. BATTERY COMPARTMENT. The battery compartment is located beneath the cab, directly beneath the fireman'sseat, and contains four batteries used for starting the engines.12. FUEL TANK. The fuel tank can hold 400 gallons (1 514 liters) of diesel fuel for engine operation. Two fill pipesand two fuel level gages, one on each side of the locomotive, provide a means of filling the tank and monitoringthe level of fuel.13. ELECTRICAL EQUIPMENT CABINET. Contains the automatic switching relays and contactors and is located inthe cab of the locomotive. Both high and low voltage are present in the electrical equipment cabinet when thelocomotive is in operation.1-10. DIFFERENCES BETWEEN MODELSThis manual covers 80-ton, diesel-electric locomotives. Minor differences may exist in components and componentlocations and in the electrical conduit and air piping layout. There are no known differences between locomotives.1-11. PRINCIPLES OF OPERATIONRefer to TM 55-2210-224-12 for principles of operation.1-5/(1-6 blank)
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