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ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-48 NOTES Catch fuel in suitable container. Dispose of fuel in accordance with local ordinances. Disconnect all fuel delivery (pressure) lines from injection pump using a suitable 17 mm deep-well crowsfoot socket. (4) Disconnect coupling nut (33, Figure 3-17), remove clamp (15) and remove supply line from fuel filter, refer to paragraph 3.12.2. (5) Disconnect coupling nut (34) on return tube (3). (6) Disconnect coupling nuts (2) securing tubes (4) to injectors. Loosen coupling nut (35) connected to T-fitting (36). Remove tubes, coupling nuts and return fuel line. (7) Tag and disconnect fuel injection lines (7, 8, 9, 10, 11 and 12) from fuel injectors and fuel injection pump. (8) Cover all openings to prevent entry of foreign material. b.   Inspection. (1) Remove fuel lines, refer to step a. (2) Inspect all fuel lines and seals for wear, kinks, or fitting damage.  Replace as necessary. (3) Ensure all connections are open.  Replace as necessary. (4) Inspect all removed o-rings, sealing washers, and fittings. If damaged, replace. c.     Replacement. (1) Remove fuel lines, refer to step a. (2) Inspect fuel lines and seals, refer to step b.  Replace if worn, kinked, or fitting damage is present. (3) Install fuel lines, refer to step d. d.   Installation. (1) Remove all covering installed during step a (8). CAUTION Fuel lines are fragile and can become twisted and damaged during maintenance.  Always use one wrench to hold one fitting stationary while the other fitting is loosened or tightened.  Failure to comply can cause damage to equipment. (2) Connect fuel injection lines (7, 8, 9, 10, 11 and 12 , Figure 3-17) to fuel injectors and fuel injection pump as tagged during removal.  Torque fuel injection lines to 20 lb-ft (27 Nm).


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