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) 9. Measure outside diameter (A) of shaft (18). Replace oil pump if not within specifications in the following table. 10. Inspect reserve compartment impellers (38 and 39). a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth contact areas. b. Measure length (B) of three impellers (38 and 39). Replace oil pump if not within specifications in the following table. c. Measure inside (C) and outside (D) diameter of two impellers (38). Replace oil pump if not within specifications in the following table. d. Measure outside diameter (E) of impeller (39). Replace oil pump if not within specifications in the following table. Location Sizes and Fit of New Parts inches (mm) Wear Limits A 0.9835 (24.9809) 0.9840 (24.9936) 0.9832 (24.9732) B 0.2090 (5.3086) 0.2100 (5.3340) 0.2085 (5.2959) C 0.9860 (25.0444) 0.9865 (25.0571) 0.9870 (25.0698) D 2.4774 (62.9259) 2.4778 (62.9361) 2.4770 (62.9158) E 2.4794 (62.9767) 2.4798 (62.9869) 2.4790 (62.9666) A 18 38 39 A C C D E D B (all 3 impellers) 38 WP 0154 00-9