TM 5-4320-302-14
6-8. CYLINDER HEAD ASSEMBLY, ROCKER ARMS, AND TAPPETS (CONT)
Location/Item
Action
Remarks
8.
Rocker arms,
Replace bearing bushes, rocker arms, or rocker
rocker brackets,
brackets if extremely worn or damaged. Replace
and associated
rocker arms or bushes if clearance to rocker arm
components
shaft is too great. Replace thrust pads if they
are galled or worn. Replace any component if its
oil passage is permanently blocked.
9.
Tappets
Open clogged oil hole with small wire. Repair
only minor nicks or burrs in tappet head or
seat if possible. Major damage such as dents
or warpage, excessive wear, or permanently
restricted oil hole will require replacement.
Replace as necessary.
NOTE
Before installing repaired or new cylinder head, piston top clearance should be
measured and checked. Use the following procedure.
6-44