PPRuNe Forums - View Single Post - Allison/RR 250-C20 Engine Coking

5th Aug 2019, 06:24

#6 (permalink)

Hughes500

Join Date: Aug 2000

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I was told by a Rolls Royce AMC to never ever cool the engine by pressing the starter as it will damage the wheels ! Turn the blades backwards. Never had a problem in 25 years with 10 different engines , We use mobil 254 !

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