﻿GET_GEVOMechL2_03_01_01_115 - STEP-BY-STEP Screen
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Typical steps to replace the automatic water drain valve assembly are as follows:

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1. Drain the locomotive cooling water system.

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2. Remove the two screws, lockwashers, and nuts from each connecting flange and remove the entire automatic water drain valve body from the piping.

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3. Discard the O-ring seals and replace with new O-rings.

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<b>Note:</b> When reassembling, apply a small amount of grease (Dow Corning 55M or equivalent) to the O-ring seals.

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4. Install the replacement water drain valve assembly to the connecting flanges by securing with screws, lockwashers, and nuts.

