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 FUEL BACKFLOW VALVE REPLACEMENT 0081 00 REMOVAL (Continued) 1. Disconnect fuel inlet hose (1) and drain fuel into a suitable container. 2. Disconnect manifold heater fuel line (2). NOTE Metal tube between backflow valve and fuel pump (2CA and 2DA) cannot be removed until backflow valve is loosened from bracket. 3. Loosen fuel pump fuel inlet tube (3) at both ends. 4. Remove two screws (4) with lock washers (5) and flat washers (6) and remove backflow valve (7) from mounting bracket (8). NOTE Take note of orientation of fittings so that they can be installed in replacement valve as they were in the original. 5. Remove fittings and save for use in replacement backflow valve. 3 2 1 1 2 4, 5, 6 4, 5, 6 3 8 7 7 8 2DR Configuration 2CA and 2DA Configuration WP 0081 00-2