TM-9-2350-274-BD M109 Battlefield Damage Assessment and Repair Download
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TM 9-2350-274-BD ENGINE SECTION V. Engine Lubrication Systems 3-8. General. Engine lubrication is essential for all components. However, crankshaft bearings and diesel engine piston crowns are critical components. The pressure lubrication of the bearings and the cooling spray to the piston crowns are examples of the dual purpose of the engine lubricant. By-passing or rendering any portion of the lubrication system inoperative will shorten the engine life. 3-10.2 Change 3