TM 5-4320-302-146-8. CYLINDER HEAD ASSEMBLY, ROCKER ARMS, AND TAPPETS (CONT)Location/ItemActionRemarks8.Rocker arms,Replace bearing bushes, rocker arms, or rockerrocker brackets,brackets if extremely worn or damaged. Replaceand associatedrocker arms or bushes if clearance to rocker armcomponentsshaft is too great. Replace thrust pads if theyare galled or worn. Replace any component if itsoil passage is permanently blocked.9.TappetsOpen clogged oil hole with small wire. Repaironly minor nicks or burrs in tappet head orseat if possible. Major damage such as dentsor warpage, excessive wear, or permanentlyrestricted oil hole will require replacement.Replace as necessary.NOTEBefore installing repaired or new cylinder head, piston top clearance should bemeasured and checked. Use the following procedure.6-44
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