﻿GET_GEVOMechL2_10_01_01_32 - ANIMATION Screen
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Because the location of the traction motor blower makes visual inspection of the blower rotation difficult, you should perform the following test each time the equipment blower power leads are disconnected.

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Using a manometer with a hand-held, non-metallic probe, measure the air pressure at the Long-Hood Truck traction motor drain holes.

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The drain holes are located at the bottom of the traction motor, when mounted in the truck.

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Pressure should exceed 5.4 inches (137 mm) of water when the locomotive is operating in Self-Load, Notch 8.

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A lower pressure indicates that the power leads are connected incorrectly or that there is a problem with the blower or controller.

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If this happens, shut down the engine, inspect the terminals, and correct the faulty connections.

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Ensure that all traction motor flexible air ducts are in good condition and that they are properly bolted to the traction motors.