3408 & 3408B DIESEL TRUCK ENGINE Caterpillar


Fuel Injection Lines

Usage:




Fuel Lines Used On Earlier Engines


Fuel Lines Used On Later Engines

(1) Torque for the nuts that hold the adapter locks (Earlier Engines) ... 14 ± 3 N·m (10 ± 2 lb.ft.)

(2) Torque for all bolts that hold the fuel injection line clamps ... 9.6 ± 2.8 N·m (84 ± 24 lb.in.)

(3) Torque for nuts that hold the fuel injection lines to the injection pumps and nozzles ... 40 ± 7 N·m (30 ± 5 lb.ft.).

(4) Torque for nuts that hold the fuel injection lines to the adapter ... 40 ± 7 N·m (30 ± 5 lb.ft.)

(5) Torque for nozzle retainer on nozzle adapter (Later Engines) ... 48 ± 7 N·m (35 ± 5 lb.ft.)

(6) Torque for locknut that holds the inner fuel line to the valve cover base ... 30 ± 7 N·m (22 ± 5 lb.ft.)

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