Automotive Systems

Formerly Automotive Systems I

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Ether is a highly volatile fluid that is injected into the intake manifold, as you crank the engine. It is found in an aerosol or capsule type container. Since ether has a low ignition point, the heat generated in the combustion chamber is able to ignite it. Heat from this ignition then ignites the diesel fuel and normal combustion takes place. Once the diesel engine starts, no more fluid is required.

Cold starting aids, such as ether, should be used only in extreme emergencies. Too much ether may detonate in the cylinder too far before top dead center (BDTC) on the compression stroke. This could cause serious damage, such as broken rings, ring lands, pistons, or even cracked cylinder heads. If you must use ether, the engine has to be turning over before you spray it into the intake manifold.

Published by SweetHaven Publishing Services
Based upon a text provided by the U.S. Navy

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