3406B INDUSTRIAL & MARINE ENGINES Caterpillar

(1) Nut for fuel line.

Hold adapter assembly (2) when nut (1) is loosened or tightened. Torque for the nut ... 40 ± 7 N·m (30 ± 5 lb.ft.)

(2) Adapter assembly.

(3) Torque for bleed screw ... 1.6 ± 0.4 N·m (14 ± 4 lb.in.)

(4) Washer. Make sure the correct washer is used when the nozzle assembly is installed.

(5) Torque for clamp bolt ... 28 ± 4 N·m (21 ± 3 lb.ft.)

(6) Put liquid soap on rubber O-ring and bore in head before assembly.

(7) Put 5P3931 Anti-Seize Compound on the threads of the adapter before installation. Torque for the adapter ... 205 ± 10 lb.ft.).

See TESTING AND ADJUSTING section, for fuel injection nozzle test procedure.