The document provides instructions for removing and installing various fuel system components on a Caterpillar 3304B or 3306B engine, including:
- Removing and installing the fuel priming pump by disconnecting fuel lines, removing mounting bolts, and ensuring clean installation of new gaskets.
- Removing and installing the fuel filter base by removing fuel filter, fuel lines, mounting bolts, and installing with new gaskets if needed.
- Procedures for removing the fuel transfer pump by disconnecting lines and removing mounting hardware while taking precautions to contain fuels.