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 XII. OVERHAUL OF ENGINE SHROUDING AND ASSOCIATED PARTS 6-49. General This section covers the overhaul of the engine shrouding and associated components. Specific instructions on disassembly, cleaning, Component Cooling Fan Vanes Engine and Transmission Shrouds Oil Cooler Frames, Brackets, and Associated Parts Cylinder Air Deflectors Table 6-39. Engine Shrouding Disassembly Para 6-50b Figs. 6-226, 6-227 Cleaning Para 6-2 Para 6-2 Para 6-2 Para 6-2 inspection, repair and assembly accompany the overhaul operations. Refer to the following table (table 6-39) for applicable illustrations and instructions for overhaul operations. and Associated Components Inspection Para 6-3 Para 6-50d Para 6-3 Para 6-3 Repair Para 6-50d Para 6-3 Para 6-3 Assembly Para 6-50e Figs. 6-227, 6-226 6-50. Overhaul of Engine Shrouding and b. Disassembly. Disassemble cooling fan Associated Components housings, shroud rails, and cover plates following a. General. Disassembly of the various shroud instructions which accompany figures 6-226 and components other than the cooling fan housings, 6-227. shroud rails, and cover plates was accomplished during engine disassembly, Chapter 5. Remove 5. Remove rear cooling fan housing (E). Note. The four screws (A) and flat washers are Install an integral part of the cover plate and cannot be 1. Position rear cooling fan housing (E) in cooling fan shroud. removed without destruction of flat washers. 1. Loosen four screws (A). 2. Position front cooling fan housing (D) in shroud. 2. Remove two cap screws (B), self-locking nuts, and flat 3. Install four cap screws (C), lock washers, and flat washers. washers. 3. Remove four cap screws (C), lock washers, and flat 4. Install two cap screws (B), self-locking nuts, and flat washers. washers. 5. Tighten four screws (A). 4. Remove front cooling fan housing (D). Figure 6-226. Removing or installing front and rear cooling fan housings. 6-191