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Mains engine problem Brisbane - FLOGGED

This condition is referred to as fatigue failure. As the name suggests it occurs when the bearing is subjected to abnormal working conditions. Excessive loads can occur directly from driving conditions. More commonly the excessive loads are generated due to incorrect ignition or injector timing, poor fuel or extreme temperatures. Constant full throttle use while these conditions exist will result in bearing fatigue failure or flogged main bearings. Overloading is a term used to describe internally generated forces that destroy the properties of the bearing. Lugging an engine under extreme heavy conditions is a driver-induced cause of main bearing fatigue. If driver lugging is the cause of the main bearing failure usually the lower half of the bearing is more affected. (Lugging describes full throttle, heavy loads with low revs.) Consistent over reeving of the engine above what it was designed to do will result in flogged main bearings. Normally this condition would significantly effect the upper half of the main bearings. (Trucks often display this type of damage by using too low a gear as engine braking down steep inclines, the load weight causes the engine to rev above design specifications.) Disclaimer Agreement : Every care has been taken in writing this information and procedures, but no responsibility can be excepted for errors, omissions or misuse of this information and procedures. The information available on this site is for your instruction only and cannot be copied for sale, © copyright 2001 UMR Engines
Performance Engines
Flogged main bearings (fatigued)
Flogged main bearings (fatigued)
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Flogged Mains Picked Up/Seized Mains Worn Out Mains

Mains engine problem Brisbane -

FLOGGED

This condition is referred to as fatigue failure. As the name suggests it occurs when the bearing is subjected to abnormal working conditions. Excessive loads can occur directly from driving conditions. More commonly the excessive loads are generated due to incorrect ignition or injector timing, poor fuel or extreme temperatures. Constant full throttle use while these conditions exist will result in bearing fatigue failure or flogged main bearings. Overloading is a term used to describe internally generated forces that destroy the properties of the bearing. Lugging an engine under extreme heavy conditions is a driver-induced cause of main bearing fatigue. If driver lugging is the cause of the main bearing failure usually the lower half of the bearing is more affected. (Lugging describes full throttle, heavy loads with low revs.) Consistent over reeving of the engine above what it was designed to do will result in flogged main bearings. Normally this condition would significantly effect the upper half of the main bearings. (Trucks often display this type of damage by using too low a gear as engine braking down steep inclines, the load weight causes the engine to rev above design specifications.) Disclaimer Agreement : Every care has been taken in writing this information and procedures, but no responsibility can be excepted for errors, omissions or misuse of this information and procedures. The information available on this site is for your instruction only and cannot be copied for sale, © copyright 2001 UMR Engines
Performance Engines
Flogged main bearings (fatigued)
Flogged main bearings (fatigued)
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