This document provides service information for Briggs & Stratton 3-Screw Fuel Pump Carburetors. These mechanical, diaphragm-type fuel pumps are actuated by engine crankcase pressure pulsation and are externally mounted directly onto the carburetor body. The 3-screw assembly ensures a secure connection, with gasket materials typically being paper or nitrile. While specific years are not applicable as this is a generic diagram, the components are designed for reliability in various Briggs & Stratton engine applications.

This service diagram is intended to assist with the maintenance and understanding of the 3-Screw Fuel Pump Carburetor system. It covers essential details regarding the fuel pump's function, its connection to the carburetor, and typical kit contents for replacement, which may include diaphragms, gaskets, and check valves. The document outlines the basic tools required for service, such as screwdrivers, and advises replacement as needed when fuel delivery issues arise or the part fails. This resource is valuable for owners and technicians working with applicable Briggs & Stratton engines.