COUPLING AS 4322018 - Caterpillar

START BY:a. remove fuel priming pump. 1. Use tool (A) to remove filter assembly (1) as shown. 2. Disconnect three lines (3) from the fuel filter base.3. Remove the two nuts that hold fuel filter base (2) to the aftercooler housing, and remove the fuel filter base. The following steps are for installation of the fuel filter base.4. Put fuel filter base (2) in position on the aftercooler housing, and install the nuts.5. Connect three lines (3) to the fuel filter base.6. Install a new filter assembly (1) on the fuel filter base. Follow the installation instructions on the filter assembly. See the Maintenance Guide.END BY:a. install fuel priming pump