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SAME Air Cooled Engines
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<blockquote data-quote="Cowabunga" data-source="post: 4508912" data-attributes="member: 718"><p>Yes, it is very important to let the air cooled engines cool a while before shutting down after running at full load a while. Its good practice with any turbo engine and I'm sure we all do it anyway, but an air cooled engine has nothing to take the heat away once the engine has stopped. A fluid cooled engine has coolant in the head around the injector and valves which can turn into superheated steam under extreme conditions after shut-down. This is extremely efficient at cooling localised areas and prevents engine damage through metal distortion and metallurgical changes/cracking.</p><p>So, do your air cooled engine a favour and cool it down before shut-down. I often didn't shut the engine of the 160 down for lunch or pee breaks for this reason and to allow it to go straight back to work at full load afterwards. Let it idle at around 1000 rpm for up to 45minutes or if I was with the tractor I'd shut down after five minutes and restart a minute before commencing work again.</p><p></p><p>It has been off the forager now since 2004, so its not such an issue since. It did 11 years of running flat out on the forager for weeks on end and still works moderately hard periodically these days, but nothing like those days.</p></blockquote><p></p>
[QUOTE="Cowabunga, post: 4508912, member: 718"] Yes, it is very important to let the air cooled engines cool a while before shutting down after running at full load a while. Its good practice with any turbo engine and I'm sure we all do it anyway, but an air cooled engine has nothing to take the heat away once the engine has stopped. A fluid cooled engine has coolant in the head around the injector and valves which can turn into superheated steam under extreme conditions after shut-down. This is extremely efficient at cooling localised areas and prevents engine damage through metal distortion and metallurgical changes/cracking. So, do your air cooled engine a favour and cool it down before shut-down. I often didn't shut the engine of the 160 down for lunch or pee breaks for this reason and to allow it to go straight back to work at full load afterwards. Let it idle at around 1000 rpm for up to 45minutes or if I was with the tractor I'd shut down after five minutes and restart a minute before commencing work again. It has been off the forager now since 2004, so its not such an issue since. It did 11 years of running flat out on the forager for weeks on end and still works moderately hard periodically these days, but nothing like those days. [/QUOTE]
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