TM 10-3930-660-34 3-8. CRANKSHAFT - REPLACE/REPAIR (Cont’d) 2.   APPLY LUBRICATING OIL TO ALL CRANKSHAFT BEARING JOURNALS IF CRANKSHAFT IS NOT GOING TO BE INSTALLED WITHIN ONE HOUR AFTER CLEANING. INSPECTION 1.   SEE INSPECTION INSTRUCTIONS, PARA. 2-11. 2.   VISUALLY INSPECT CRANKSHAFT. a. Inspect for large, deep cracks or broken material throughout the crankshaft, especially in the fillet and journal areas. b. Inspect for a high concentration of depressions or pitting. c. Inspect for burning or scoring in the journal areas. d. If any of the conditions mentioned in STEPS a through c exist, replace the crankshaft. 3.   MEASURE CRANKSHAFT BEARING JOURNALS. a. Measure crankshaft main bearing journals.  If any main bearing journal measures less than 3.2662 inches, replace the crankshaft or use oversize bearings.  If any main bearing journal is out of round by more than 0.0020 inch, replace crankshaft or machine crankshaft and use oversize bearings. b. Measure crankshaft connecting rod journals.  If any connecting rod journal measures less than 2.7150 inches, replace the crankshaft or use oversize bearing.  If any connecting rod journal is out of round by more than 0.0020 inch, replace crankshaft or machine crankshaft and use oversize bearings. 3-56