TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Section VIl. OVERHAUL OF OIL PUMP, OIL PAN, DAMPER AND OIL FILTER HOUSING AND ASSOCIATED PARTS 6-35. General This section covers the overhaul of the oil pump, oil pan, damper and oil filter housing, and associated parts. Specific instructions on disassembly, cleaning, inspection, repair and assembly accompany the overhaul operations. Stud identification information is included in the overhaul procedures. Refer to the following table (table 6-17) for applicable illustrations and instructions for overhaul operations. Table 6-17. Oil Pump, Oil Pan, Damper and Oil Filter Housing and Associated Parts Component Oil Pump Oil Pan and Associated Parts Damper and Oil Filter Housing and Associated Parts Disassembly Para 6-36b Figs. 6-67 through 6-86 Para 6-37a Figs. 6-88 through 6-97 Para 6-38a Figs 6-99, 6-100, 4-89, 6-101 through 6- 111 6-36. Rebuild of Oil Pump Cleaning Para 6-2 Para 6-2 Para 6-38 b, Fig. 6-112 Inspection Para 6-36d Table 6-19 Para 6-3 Para 6-38c Table 6-22 Repair Para 6-36e Table 6-20 Para 6-4 Para 6-37d Table 6-21 Para 6-38d Table 6-23 Fig. 6-113 Assembly Para 6-36f Figs. 6-87 through 6-67 Figs. 6-97 through 6-88 Figs. 6-111 through 6-101,4-92 through 4-89,6-100,6-99 paragraph the oil pumps will be referred to by part numbers FSN 2815-679-4965 or FSN a. General. Two different oil pump assemblies. have been used in production. It is important to 2815-895-6430 where differences occur. Refer recognize the difference between the oil pumps to table 6-18 for the different oil pump before attempting disassembly. Throughout this characteristics. Table 6-18. Visual Oil Pump Identification Characteristics Item FSN 2315-679-4965 FSN 2815- 895-6430 Oil pump Oil Pump Scavenge oil pump inlet screen Integral part of scavenge oil pump Separate part, mounted under inlet inlet scoop (riveted) scoop Oil pump drive shaft lock plate None Dual purpose lock plate for oil pump drive shaft and driven impeller Casting part number of oil pump 8725174 shaft. See figure 6-71. 10898878 housing 6-75