TM  5-2815-241-34&P CRANKSHAFT  ASSEMBLY  -  CONTINUED ACTION LOCATION ITEM REMARKS 6 . Crankshaft   (1) Using  magnetic  inspection  procedure, inspect  for  cracks. Discard   If   cracked. 7. Crankshaft  gear  (4) Inspect for cracks, breaks, nicks, and scratches  by  visual  and  magnetic inspection. Discard  If  cracked  or  broken.  Polish out  small  nicks  and  scratches  with emery   cloth. REPAIR NOTE Main  bearing  and  connecting  rod  bearing  sets  are  available  in  0.010-,  0.020-, 0.030-,  and  -040-inch  (0.254,  0.508,  0.762,  and  1.016  mm)  undersizes.  Thrust bearings are in 0.010- and 0.020-inch (0.254 and 0.508 mm) oversizes. When grinding crankshaft, do not remove more material than necessary to clean up bearing surfaces and fit the next size bearing or washer. Perform step 8 only if crankshaft grinding is required. 8 . Crankshaft   (1) Using  crankshaft  grinder,  grind  as necessary. T A     2 4 2 4 8 4 2-217