ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 3-38 c.   Bleed at Fuel Injection Pump. __________ 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. 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. (1) Loosen fuel return line (3, Figure 3-17) at fuel injection pump. (2) Pump primer lever (6, Figure 3-16) on fuel supply pump until fuel flow is free from air bubbles.    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. (3) Tighten fuel return line to 12 lb-ft (16 Nm). d.   Bleed at Fuel Injection Nozzles. __________ WARNING Exhaust system is very hot after operating engine.  After operating engine, allow exhaust system to cool before removal.  Failure to comply could result in personal injury. __________ 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.