TM 10-4130-237-146-2.CYLINDER BLOCK ASSEMBLY REPAIR/OVERHAUL (CONT)9 Install one piston pin lock in each piston assembly.10 Place connecting rod assemblies up into pistons and make sure piston pin holes are alined. Make sureoil holes in connecting rods are facing camgear.11 Install piston pins through pistons and connecting rod assemblies.12 Install remaining piston pin locks in two piston assemblies.13 Using engine oil (MIL-L-4152), lubricate piston rings and piston skirts.14 Install rings on piston. Stagger ring gaps.15 Tightly compress piston rings, then loosen compressor very slightly.To prevent damage to piston rings, DO NOT try to install piston and ringgear assembly without ring compressor.NOTENotch on top of piston must face flywheel side of cylinder when installed.Do not interchange parts.6-20
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