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ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-44 (a) If pressure is low, replace filter element, refer to paragraph 3.12.2, and test pressure again.    (b) If pressure is still low, bench test fuel supply pump, refer to step d. (4) Remove fuel pressure gage and install plug (11). (5) Bleed fuel system, refer to paragraph 3.12.1. b.   Removal. CAUTION Dirt in the fuel system can damage components or cause poor engine performance.  Always thoroughly clean the area around connection before disconnecting.  Always cover all openings after disconnecting.  Failure to comply can cause damage to components or poor engine performance. (1) Thoroughly clean outside surface of fuel supply pump and surrounding area. __________ WARNING Diesel and JP fuels are flammable and toxic to eyes, skin, and respiratory tract.  Skin and eye protection required.  Avoid repeated/prolonged contact.   Provide adequate ventilation.  Failure to comply could result in serious injury or death. __________ WARNING Escaping diesel or JP fuel under pressure can have sufficient force to penetrate skin.  Before disconnecting lines, be sure to relieve pressure.   Failure to comply could result in serious injury or death. 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. NOTE Catch fuel in suitable container. Dispose of fuel in accordance with local ordinances. (2) Disconnect fuel supply line, connected to fuel inlet (7, Figure 3-16).  Slowly loosen fuel line (6, Figure 3-15) and allow fuel pressure to dissipate.  Remove fuel line. (3) Remove capscrews (1, Figure 3-16), flat washers (2), fuel supply pump (3) and o-ring (4).   Discard o-ring. (4) Inspect all removed sealing washers and fittings. If damaged, replace.


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