TM 5-3805-261-34ENGINE MAINTENANCE. (cont)13-8.PistonandConnectingRod. (Sheet 3 of 12)REMOVALCAUTIONA ridge reamer must be usedto remove the carbon ridge atthe top of the cylinder wall.Use of any other tool mayresult in damage to thecylinder wall. Failure toremove the ridge could resultin piston damage duringremoval and piston ringdamage during installation.NOTEThe following is a mainte-nance procedure for onepiston and connecting rodset. All pistons andconnecting rods areoverhauled at the same time.The maintenance procedure forthe remaining piston andconnecting rod sets isidentical.1.Using ridge reamer, remove ridgefrom top of four cylinder liners.If a metal ring is deformed,replace cylinder liner and ring.Refer to paragraph 13-2.Go to Sheet 413-42
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