﻿GET_GEVOMechL2_02_01_01_67 - STEP-BY-STEP Screen
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Typical steps to remove the lubricating oil cooler are as follows: 

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<b>Warning: </b>To prevent personal injury and potential equipment damage, ensure that the engine cannot be started before removing, installing, or adjusting any engine component. 

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Place the BS in the OFF position to prevent starting attempts. 

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Also, place the FPB, LCCB, and BCCB in the OFF position, and apply a warning tag on the EC switch. 

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<b>Warning: </b>If the locomotive is equipped with AESS, the diesel engine may start without operator action. 

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Exercise caution when working around the radiator cab. 

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Ensure that AESS is disabled before performing any maintenance on the locomotive. 

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Failure to do so may result in death or serious personal injury. 

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1. Drain all water from the split cooling water system, including from the water tank. 

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<b>Note: </b>To remove the lubricating oil cooler, it is first necessary to drain the lubricating oil from the oil filter housing. 

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However, it is not necessary to drain the lubricating oil from the engine crankcase. 

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2. Drain the oil from the lubricating oil filter housing as follows: 

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a. Open the lubricating oil filter housing vent valve on the inlet pipe to the oil filter housing. 

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b. Open the lubricating oil filter drain back valve to allow the oil to drain to the engine crankcase. 

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<b>Note: </b>Allow 15 minutes for the hot oil to drain. 

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If the oil is cold, draining takes much longer. 

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<b>Warning: </b>Ensure that oil from the system has completely cooled before any maintenance is performed. 

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Lubricating oil cooler replacement includes steps in which the oil cooler connections must be covered with blanking plates or plugged. 

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Oil will remain in the oil cooler until it can be completely removed from the locomotive. 

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Failure to allow the oil to cool could result in serious burns and personal injury. 

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3. Remove the applicable locomotive handrail section to allow for oil cooler removal.
