TM 9--2815--247--34 0064 00--11 ENGINE CRANKSHAFT REPAIR -- CONTINUED 0064 00 Inspection -- Continued 13. With crankshaft (14) on “V” blocks or suitable stand (26), supported on end journals, check the runout at main journal No. 4 using a dial indicator (42). Replace crankshaft if runout is more than 0.025 inch (0.635 mm). Figure 6 14 42 26 Repair WARNING Repair minor imperfections in crankshaft (14) journals by polishing with crocus cloth dipped in dry--cleaning solvent. Replace crankshafts that are deeply scratched, nicked, burred, scuffed or galled. Figure 6 14 30 32 32 32 30 32 41 37 38 40