TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 2-17.1. Fuel Pump (Model AVDS-1790-2DR) a. R e,.moval. (1) Disconnect fuel outlet hose (1, fig. 2-9.1) and fuel inlet hose (2) from respective elbows. Collect fuel in a suitable container and discard. (2) Remove four self-locking nuts and flat washers (3) and remove fuel pump from adapter. Remove _ and discard fuel pump mounting gasket (4). (3) Remove fuel inlet and outlet connectors and elbows and retain for installation on the replace. - ment fuel pump. b. Installation. NOTE Pump replacement l be made with En- gine Fuel Pump Kit,_ refer to TM 9-2910- 213-34. 1 Fuel outlet hose 2 Fuel inlet hose (1) Install fuel inlet and outlet connectors and elbows. Tighten elbows to position shown in figure 2-9.1. (2) Position fuel pump mounting gasket on studs and install fuel pump on adapter. Be sure fuel pump shaft spline is properly alined before securing pump to adapter. Install four flat washers and se1f-locking nuts (3, fig. 2-9.1) securing pump to adapter. . (3) Con.nect fuel inlet hose (2) and fuel outlet hose (1) to the elbows. NOTE Open bleeder val ve on fuel/water separator filter and purge fuel system {para 2-23). Close bleeder valve after purg- ing system. 3 Self-locking nut and nat washer •I Gasket TA05�524 Figto-e 2-9./. Removing or foslalli11g ji1el pump, model AVDS-1790-2DR engi11e. 2 Change 3