3408C & 3412C INDUSTRIAL ENGINES Caterpillar

(1) Torque for fuel injection line nut ... 40 ± 7 N·m (30 ± 5 lb ft)

(2) Torque for retainer ... 48 ± 7 N·m (35 ± 5 lb ft)

(3) Torque for bleed screw ... 2.7 ± 0.8 N·m (24 ± 7 lb in)

(4) Washer. Make sure the correct washer is used when the nozzle assembly is installed. Check the engine arrangement for the correct part number to use. Always use a new washer anytime the bleed screw is loosened or removed.

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

(6) Put 5P3931 Anti-Seize Compound on the threads of the adapter before installation. Torque for the adapter ... 205 ± 14 N·m (150 ± 10 lb ft)

See Testing & Adjusting section, for fuel injection nozzle test procedure.