TM 5-1940-277-34MAIN BEARING INSPECTION AND REPLACEMENT INSTRUCTIONS(Continued)LOCATIONITEMACTIONREMARKSNOTEEngine is in inverted position on engine maintenance stand or laid on side on top of work bench.REMOVAL:1.Cylinder blocka.CrankshaftTurn crankshaftUse 15/16 in soc-(1)pulley nutto position aket and drive(2)piston at bot-handle.tom dead center.b.Connectinga.Loosen bolts.Use 5/8 in soc-rod bearingket, 6 in exten-cap bolts (3)sion and ratchet.b.Tap boltsUse non-metalliclightly tohammer.release con-necting rodcap (5).c.ConnectingRemove lowerrod bearingbearing half.cap (5) andlower bearinghalf (6)NOTERepeat steps 1a thru 1c for each piston in turn.3-49
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