TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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b. Cleaning, Inspection, and Repair. Refer to paragraphs 6-2 through 6-4. Pressure check primary filter outlet hose and secondary filter inlet and outlet hoses to a proof pressure of 150 psi. Pressure check the fuel injection pump fuel inlet hose to a proof pressure of 200 psi. Replace hoses that do not withstand pressure check. c. Assembly. Refer to figures 6-245 and 6-244. The mounting brackets, fuel hoses, and fittings are installed during engine assembly, Chapter 7. 6-58. Overhaul of Fuel / Water Sepa- rator, Secondary Fuel Filter and Fuel / Water Separator Drain Valves, and Associa- ted Parts a. Disassembly. Disassemble fuel / water separator and secondary fuel filter and fuel / water separator drain valves following instructions which accompany figures 6-246 and 6-247. The mounting brackets, fuel hoses, and fittings were removed during engine disassembly, Chapter 5. Disassemble Assemble 1. Remove eight screws (A), lock washers (B), and flat 1. Install two pipe plugs (H) in body and one pipe plug washers (C). (J) in cover. 2. Remove cover (D) and remove and discard preformed 2. Install new outer two coalescer elements (F) and a packing (E). new final filter element (G) in separator body. 3. Remove and discard enter two coalescer elements (F) 3. Install a new preformed packing (E) in cover (D) and and final filter element (G) from separator body. position cover on body. 4. Remove two pipe plugs (H) from body and one pipe 4. Install eight screws (A), lock washers (B), and flat plug (J) from cover. washers (C). Figure 6-246. Disassembling or assembling fuel / water separator. 6-207