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

Table 6-30. Rear Fan and Accessory Drive Housing Assembly Overhaul Standards Fig. Component No. — Rear fan and B-26 accessory drive B-26 housing B-26 B-27 B-27 B-27 B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 Rear fan and B-26 accessory drive B-27 housing B-26 B-27 Fuel injection B-26 pump spur shaftgear B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 Fuel injection B-26 pump spur B-26 shaftgear B-26 B-26 B-26 B-26 B-26 B-26 B-26 B-26 Rear fan and B-26 fuel injection drive B-26 Rear fan and B-26 fuel injection B-26 drive B-26 B-26 B-27 B-27 B-26 Ref. letter Q R R-Q E F F-E T U U-T W X X-W Y Z Z-Y V AA AA-V B D D-B E F E-F J M M-J C L L-C K N N-K G XX XX-G H ZZ ZZ-H P YY YY-P AB AB-P S B B-S Point of measurement Inside diameter of bearing support Outside diameter of bearing Fit of bearing in support Outside diameter of bearing surface on gearshaft assembly Inside diameter of bearing Fit of bearing on gearshaft assembly Outside diameter of bearing Inside diameter of bearing support Fit of bearing in support Outside diameter of bearing gearshaft Inside diameter of bearing Fit of bearing on gearshaft Outside diameter of bearing surface on Inside diameter of bearing support Fit of bearing in support Outside diameter of gearshaft Inside diameter of drive gearshaft Fit of gearshaft in drive gearshaft Outside diameter of bearing surface on fuel injection pump driven gearshaft Inside diameter of bearing Fit of bearing on gearshaft Outside diameter of bearing Inside diameter of liner in housing Fit of bearing in housing Inside diameter of liner in housing Outside diameter of needle bearing Fit of needle bearing in housing Outside diameter of needle bearing surface on gearshaft Inside diameter of needle bearing Fit of gearshaft in needle bearing Inside diameter of oil seal bore in housing Outside diameter of oil seal Fit of oil seal in housing Inside diameter of bearing bore (small) in housing Outside diameter of bearing Fit of bearing in housing Inside diameter of bearing bore (large) in housing Outside diameter of bearing Fit of bearing in housing Outside diameter of bearing surface on gearshaft Inside diameter of bearing Fit of bearing on gearshaft Inside diameter of bearing Fit of bearing on gearshaft Inside diameter of injection advance bearing Outside diameter of hub on advance unit cover Fit of cover in bearing Sizes and fits of new parts 3.5432 3.5440 3.5427 3.5433 0.0013L 0.0001T 2.1655 2.1660 2.1648 2.1654 0.0001T 0.0012T 3.1491 3.1496 3.1495 3.1501 0.0010L 0.0001T 1.5749 1.5753 1.5743 1.5748 0.0001T 0.0010L 3.1491 3.1496 3.1495 3.1501 0.0010L 0.0001T 1.6244 1.6248 1.6260 1.6270 0.0012L 0.0026L 1.1814 1.1817 1.1807 1.1811 0.0003T 0.0010T 2.4404 2.4409 2.4409 2.4416 0.0000 0.0012L 1.4995 1.5002 1.4995 1.5000 0.0007L 0.0005T 0.9995 1.0000 0.9995 1.0000 0.0005L 0.0005T 1.7500 1.7510 1.7540 1.7580 0.0030T 0.0080T 2.6772 2.6779 2.6767 2.6772 0.0000 0.0012L 3.1496 3.1503 3.1491 3.1496 0.0000 0.0012L 1.5749 1.5753 1.5743 1.5748 0.0001T 0.0010T 1.5743 1.5748 0.0001T 0.0010T 2.3770 2.3780 2.3735 2.3745 0.0025L 0.0045L Wear limits 3.5444 * 0.0017L 2.1653 * 0.0001L * 3.1504 0.0013L 1.5747 * 0.0001L. * 3.1504 0.0013L 1.6250 1.6275 0.0030L 1.1813 * 0.0002T * 2.4419 0.0015L 1.5005 * 0.0010L 0.9993 * 0.0007L 1.7520 * 0.0020T 2.6782 * 0.0015L 3.1506 0.0015L 1.5747 * 0.0001L * 0.0001L * 2.3730 0.0050L * Note. Refer to paragraph 6-3b for explanation of symbols. 6-154