BOLT 6F7901 - Caterpillar

Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.
Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
Spin-on filter
Turn the valves for the fuel lines (if equipped) to the OFF position before performing this maintenance. Place a tray under the fuel filter in order to catch any fuel that might spill. Clean up any spilled fuel immediately.
Illustration 1 g01440509
Typical example
(1) Fuel priming pump
(2) Spin-on filter
(3) Drain
Clean the outside of the fuel filter assembly. Open the fuel drain (3) and drain the fuel into a suitable container.
Use a suitable tool in order to remove the spin-on filter (2) from the fuel priming pump (1).
Ensure that the fuel drain (3) on the new spin-on filter is closed.
Illustration 2 g01440510
Typical example
Lubricate the sealing ring (4) with clean fuel oil.
Install the spin-on filter (2) into the top of the fuel priming pump (1).
Tighten the spin-on filter by hand until the sealing ring contacts the fuel priming pump. Rotate the spin-on filter through 90 degrees.
Prime the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime".