TM 5-4320-300-146-11. CRANKSHAFT AND FLYWHEEL (CONT))Location/ItemActionRemarks23. Bearing journalVisually inspect for cracks which start at ancritical areasoil hole and follow the journal surface at anangle of 45 degrees to the axis. Inspect forcracks in critical fillet areas as shown. Re-place crankshaft if cracks are visible. Inspectfor minute cracks using MIL-1-6868 MagneticParticle Inspection.24. IntermediateCheck alignment at adjacent intermediate mainmain bearingjournals with a dial indicator. Maximum allowablejournalsrunout is 0.002 inch (0.0508 mm). Replace crank-shaft, if necessary.6-99
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