RING 5074236 - Caterpillar

Contact with high pressure fuel may cause fluid penetration and burn hazards. High pressure fuel spray may cause a fire hazard. Failure to follow these inspection, maintenance and service instructions may cause personal injury or death.
Refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" before adjustments and repairs are performed.Note: Refer to Systems Operation, Testing and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.Ensure that all adjustments and repairs are performed by authorized personnel that have had the correct training.Manifold to Injector
Illustration 1 g01260742
Typical example
(1) Tighten the union nuts for the high pressure fuel lines (1) to the following torque. ... 30 N m (22 lb ft)Pump to Manifold
Illustration 2 g01454846
Typical example
(1) Tighten the union nuts for the high pressure fuel line (2) to the following torque. ... 30 N m (22 lb ft)