TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download

Table 6-11. Torsional Vibration Damper, Flywheel, Accessory Component Drive Gear, and Transmission Drive Gearshaft Overhaul Standards Fig. No. Torsional vibration B-3 damper B-3 B-3 Flywheel B-3 B-3 B-3 B-3 B-3 B-3 B-3 Accessory drive gear B-3 B-3 B-3 Transmission drive B-3 gearshaft B-3 B-3 B-3 B-3 B-3 Ref. letter A B A-B K M K-M Q P S S-P J L L-J N R N-R P S S-P Sizes and fits Point of measurement of new parts Inside diameter of crankshaft pilot bore in damper Outside diameter of damper hub on crankshaft Fit of damper on crankshaft Outside diameter of flywheel hub on crankshaft Inside diameter of ‘crankshaft pilot bore in flywheel Fit of flywheel on crankshaft Flywheel runout Inside diameter of dowel pin holes in flywheel STD 0.005 oversize 0.010 oversize Outside diameter of dowel pin in crankshaft STD 0.005 oversize 0.010 oversize Fit of dowel pin in flywheel STD 0.005 oversize 0.010 oversize Outside diameter of accessory drive gear mounting flange on crankshaft Inside diameter of crankshaft pilot bore in accessory drive gear Fit of accessory drive gear in crankshaft Outside diameter of hub on transmission accessory drive gearshaft Inside diameter of transmission accessory drive gearshaft pilot bore in crankshaft Fit of transmission accessory drive gearshaft in crankshaft Inside diameter of dowel pin hole in trans- 4.2515 4.2490 0.0005L 7.9980 8.0000 0.0010L 0.0000 0.6245 0.6295 0.6345 0.6255 0.6305 0.6355 0.0000 0.0000 0.0000 9.7480 9.7500 0.0000 2.8320 2.8338 0.0008L mission drive gearshaft - STD 0.6245 0.005 oversize 0.6295 0.010 oversize 0.6345 Outside diameter of dowel pin in crankshaft STD 0.6255 0.005 oversize 0.6305 0.010 oversize 0.6355 Fit of dowel pin in transmission drive gearshaft STD 0.0000 0.005 oversize 0.0000 0.010 oversize 0.0000 4.2525 4.2510 0.0035L 7.9990 8.0010 0.0030L 0.0150 0.6255 0.6305 0.6355 0.6257 0.6307 0.6357 0.0012T 0.0012T 0.0012T 9.7500 9.7520 0.0040L 2.8330 2.8346 0.0026L 0.6255 0.6305 0.6355 0.6257 0.6307 0.6357 0.0012T 0.0012T 0.0012T Wear limits 4.2535 4.2475 0.0060L 7.9970 8.0020 0.0050L 0.01.50 * * * * * * * * 9.7470 9.7530 0.0060L 2.8315 2.8350 0.0035L * * * * * * * * * Note. Refer to paragraph 6-3b for explanation of symbols. 6-45