3408 & 3408B DIESEL TRUCK ENGINE Caterpillar

Primary Fuel Filter


(1) Torque for nut ... 25 ±5 N·m (18 ± 4 lb. ft.)

(2) 7S9323 Spring:

Length under test force ... 27.9 mm (1.10 in.)

Test force ... 125 to 145 N (28 to 33 lb.)

Free length after test ... 42.7 mm (1.68 in.)

Outside diameter ... 17.3 mm (.68 in.)

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