TM 5-4320-302-146-8. CYLINDER HEAD ASSEMBLY, ROCKER ARMS, AND TAPPETS (CONT)Location/ItemActionRemarksREPAIR4.Head ofSmooth and flatten head of cylindercylinderwith A-A-1203 grinding compound(600 grit) to compensate for minorsurface defects on cylinder headseat.CAUTION5.Cylinderhead seatDo not remove any more material from cylinder head seat surface than is absolutelynecessary to smooth and flatten seat.Smooth out and/or flatten major damage to cylinder head seat with cylinder head sealingsurface cutter No. 124480.6.CylinderBolt to cylinderheadhead lathe fixtureNo. 125500.6-42
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