TM 10-4320-226-144.10.16 FuelLineHosesandFittingsMaintenance. (continued)(5) Connect fuel pump line connection (8) to water separator (6) dischargefitting and remove tags.h.Install fuel supply line (2) as follows:(1) Remove covers from openings and position fuel supply line (2) in place.(2) Install fuel supply line connection (5) to water separator (6) inletfitting.Connect clamps as required.(3) Connect fuel supply line connection (3) to source selector fitting (1) onfuel tank (4).i.Set4.10.16.4both source selector valves (1) to theServicing.TANK position.Figure 4-26 Bleeoding Fuel Lines.Loosen overflow valve by the larger hexagon fitting (19mm) next to banjofitting.a.Bleed Fuel System (figure 4-26) as follows:(1) Loosen overflow valve (1) by two or three turns.(2) If fuel feed pump lever (2) does not have resistance while pressing down onfuel feed pump lever, rotate engine 180°.(3) Operate fuel feed pump lever (2) by pressing down until fuel, free of airbubbles, emerges at the loosened overflow valve (1).4-50
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