TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 1176 of 1563
TM 9-2815-220-24 CRANKSHAFT REPLACE/REPAIR 0139 00 REPAIR 1. Remove minor imperfections. a. Polishing with crocus cloth (item 9, WP 0173) wetted in cleaning compound (item 8, WP 0173) may repair minor imperfections in crankshaft journals. b. Replace crankshafts that are deeply scratched, nicked, burred, scuffed, or galled. NOTE Do not remove dowel pins from ends of crankshaft unless inspection indicates replacement is necessary. Dowel pins in flywheel flange end are secured with setscrews in early model crankshafts. It is not necessary to use setscrew when replacing dowels. Dowel pins are available in 0.005 and 0.010 inch oversize for the flywheel end flange. When oversize dowel pins are used, ream flange and mating parts (flywheel and transmission drive gear shaft) to necessary oversize dimension and install oversized pin in crankshaft flange. 2. Replace dowel pins (16, 26). a. Replace dowel pins that do not fit securely, are bent, or out of round. b. Replace dowel pins that do not meet measurement specifications in inspection section of this work package. 16 26 WP 0139 00-14