NMWR-9-2815-220 Overhaul Manual for M60 M88 Engine AVDS-1790-2CA, AVDS-1790-2DA, AVDS-1790-2DR Download

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NMWR 9-2910-212 FUEL BACKFLOW VALVE AND FUEL FILTERS OVERHAUL—Continued 0032 00 REPAIR 1. Refer to WP 0005 00 for general repair instructions. 2. Repair any cracked brazing evident around primary fuel filter fitting by brazing around the fitting (OIP 11641746, Table 8). Refer to TC-9-237, Operator’s Manual Welding Theory and Application for brazing methods. 3. Fuel Backflow Valve Repair Procedures. a. Remove four capscrews, lockwashers, flat washers, and cover. Remove and discard gasket. Remove spring and sleeve valve. Remove and discard sleeve valve preformed packing. Remove plug, lockwasher, adjusting screw, spring, and control valve (or check ball). Discard check ball. Remove and discard control valve preformed packing. b. Refer to WP 0005 00 for general cleaning instructions. c. Inspect components not covered by an OIP in accordance with WP 0005 00. d. Refer to WP 0005 00 and the OIPs in Table 1 for specific inspection criteria for selected items. e. Rework valve body in accordance with instructions shown in Figure 2. ASSEMBLY 1. Refer to WP 0005 00 for general assembly procedures. 2. Assemble fuel backflow valve and fuel filters in accordance with TM 9-2815-220-34. Figure 2. Rework of Backflow Housing. 0032 00-4 Change 1