TM 5-3825-229-14&P6-11. PISTONS AND CONNECTING RODS (cont)d.Assembly(cont).(6)Lubricate piston (8) and rings (5) with engine oil (OE/HDO). Install rings on piston using a piston ring installer.(a)Install oil control ring spring in bottom groove of piston with the guide pin inserted inside spring.(b)Install chrome oil control ring in bottom groove over spring with end gap opposite (180degrees) the guide pin in spring.(c) Install second compression ring in second groove of piston with side stamped "Up 2nd" or with a dot towards topof piston.(d) Install top chrome compression ring in top groove of piston with side stamped "Up Top" or with a dot towards topof piston.(7)Install bolts (10) in piston rod (3).e.Installation.(1) Stagger piston ring gaps evenly around piston (8). Apply lubricant (OE/HDO) to piston (8)and rings (5).(2) Turn crankshaft to position number one rod bearing journal at the bottom of its stroke.6-27
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