TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 OIL PUMP REPAIR 0154 00 INSPECTION (Continued) 6. Inspect pressure compartment impellers (43 and 44). a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth contact areas. b. Measure length (A) of impeller (44) and impeller/shaft (43). Replace oil pump if not within specifications in the following table. c. Measure inside diameter (B) and outside diameter (C) of impeller (44). Replace oil pump if not within specifications in the following table. d. Measure outside diameters (D, E, F) of impeller/shaft (43). Replace oil pump if not within specifications in the following table. Location Sizes and Fit of New Parts inches (mm) Wear Limits A 2.4280 (61.6712) 2.4290 (61.6966) 2.4275 (61.6585) B 0.9860 (25.0444) 0.9865 (25.0571) 0.9870 (25.0698) C 2.4774 (62.9259) 2.4778 (62.9361) 2.4770 (62.9158) D 0.9835 (24.9809) 0.9840 (24.9936) 0.9832 (24.9732) E 1.1315 (28.7401) 1.1320 (28.7528) 1.1312 (28.7324) F 2.4814 (63.0275) 2.4818 (63.0377) 2.4812 (63.0224) 43 F B D A A 44 E D E C WP 0154 00-7