﻿GET_GEVOMechL2_02_01_01_92 - STEP-BY-STEP Screen
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Typical steps to remove a Victaulic coupling on the lubricating oil system 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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<b>Note: </b>When replacing a leaking or defective Victaulic coupling on the lubricating oil cooler and oil filter housing piping, depending on the location of the oil leak, it may be necessary to drain lubricating oil to the engine crankcase. 

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1. If required, drain 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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2. After the oil from the lubricating oil system is drained or the pipe from which the Victaulic coupling is to be removed is empty, remove the bolts and nuts that hold the coupling halves together and remove the coupling. 

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3. While supporting the pipe with one hand, slide the gaskets (one on each end of the pipe) onto the removable pipe. 

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After the gaskets and the body of the coupling have cleared the fixed pipe, the pipe can be removed. 

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4. Remove the gaskets from the pipe. 

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5. Protect the pipe ends after disassembly.
