TM 5-4320-302-146-20. CRANKSHAFT ASSEMBLY (CONT)Location/ItemActionRemarks48. PressurestaDo not attempt repairs on valve cone, helicalspring, washer, or screw plug. Replace if worn,distorted, or damaged.49. Main bearingDo not attempt repairs on these components. Re-bracket com-place if excessively worn, out-of-tolerance, over-ponentsheated, distorted, cracked, or damaged in anyway. Replace main bearing bracket and mainbearing supports as necessary to maintain correctbore clearances and radial clearances with crank-shaft. Replace with normal or oversized boremain bearing supports as required.50. Stop ringDo not attempt repairs. Replace if worn, cracked,warped, rusted, corroded, or damaged. Replacewith normal or oversized thickness stop ring asrequired.REASSEMBLY51. CamshaftInstall with camshaft bearing mandrel No.bearing bush143620. Make sure bearing bush is properlyseated and that oil passages are alinedcorrectly.6-188
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