C3.4B Engines For Caterpillar Built Machines Caterpillar

If necessary, install a new fuel filter element to canister (2). Refer to Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace" for the correct procedure.

Illustration 1	g02606186
Typical example

(1) Tighten the water in fuel sensor to the following torque. ... 2.5 N·m (22 lb in)

Note: Tighten water in fuel sensor until the O-ring seal comes into contact with the bowl of the water separator. Tighten the water in fuel sensor an additional 180 degrees.

(3) Tighten the connection to the following torque. ... 20 N·m (15 lb ft)

(4) Tighten the setscrews to the following torque. ... 44 N·m (32 lb ft)