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) 4. Measure inside diameter (A) of bushing (48) in level compartment cover (27). Replace oil pump if not within specifications in the following table. 5. Inspect level compartment impellers (31 and 32). a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth contact areas. b. Measure length (B) of impellers (31, 32). Replace oil pump if not within specifications in the following table. c. Measure inside diameter (C) and outside diameter (D) of impeller (31). Replace oil pump if not within specifications in the following table. d. Measure outside diameter (E) of impeller (32). Replace oil pump if not within specifications in the following table. e. Inspect inside teeth of impeller (32). Replace oil pump if teeth have burrs, are worn, cracked or broken, or have pitting at tooth contact areas. Location Sizes and Fit of New Parts inches (mm) Wear Limits A 0.9850 (25.0190) 0.9860 (25.0444) 0.9870 (25.0698) B 0.8000 (20.3200) 0.8010 (20.3454) 0.7990 (20.2946) C 0.9860 (25.0444) 0.9865 (25.0571) 0.9870 (25.0698) D 2.4774 (62.9259) 2.4778 (62.9361) 2.4769 (62.9158) E 2.4794 (62.9767) 2.4798 (62.9869) 2.4798 (62.9666) 27 31 32 C A B E D B WP 0154 00-6