ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-46 __________ 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. (c) Submerge pump in clean diesel fuel and look for air bubbles.  Replace fuel supply pump if air bubbles are present. (d) Remove plug and regulated pressure air line. e.   Replacement. (1) Remove fuel supply pump, refer to step b. (2) Inspect fuel supply pump, refer to step c.  Replace fuel supply pump if lever face is worn flat or concave. (3) Perform bench test, refer to step d.  Replace if fuel supply pump fails bench test. (4) For installation of fuel supply pump, refer to step f. f.   Installation. (1) Remove all covering installed during step b (4). (2) Ensure all old gasket material is removed from gasket surfaces. (3) Apply Thread Lock and Sealer (LOCTITE 242) to threads of capscrews (1, Figure 3-16). NOTE Pump lever must be positioned above fuel supply pump push rod before fuel supply pump can be installed. (4) Position o-ring (4) and fuel supply pump (3) on engine block.  Install flat washers (2) and capscrews (1).  Torque capscrews evenly to 22 lb-ft (30 Nm). CAUTION Thread sealant can cause damage to fuel system.  Do not allow sealant to get into fuel system.  Failure to comply could result in damage to fuel system. (5) Apply Thread Lock and Sealer (LOCTITE 242) to threads of fuel inlet (7) and fuel outlet (8).