TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
Page 1305 of 1563
TM 9-2815-220-24 OIL PUMP REPAIR 0154 00 INSPECTION (Continued) 13. Visually inspect oil transfer tubes (49) of housing assembly (28) for any damage. a. Replace bent or damaged tubes. 14. Measure the inside diameter (A) of four impeller bores in housing assembly (28). Replace oil pump if not within specifications in the following table. 15. Measure depths (B, C) of impeller bores in housing assembly (28). Replace oil pump if not within specifications in the following table. 16. Measure inside diameters (D, E) of bushings (50, 51) in housing assembly (28). Replace oil pump if not within specifications in the following table. Location Sizes and Fit of New Parts inches (mm) Wear Limits A 2.4850 (63.1190) 2.4862 (63.1494) 2.4875 (63.1825) B 0.8030 (20.3962) 0.8050 (20.4470) 0.8055 (20.4597) C 2.4320 (61.7728) 2.4340 (61.8236) 2.4345 (61.8363) D, E 1.1330 (28.7782) 1.1340 (28.8036) 1.1350 (28.8290) 51, E B 50, D A (4 places) C 49 28 49 WP 0154 00-11