Briggs & Stratton VANGUARD 810 EFI Repair Manual page 136

132 Section 5: Removal/Installation
Fuel Injector
Fuel Injector
Mechanical Diaphragm
Schrader Valve
Fuel Pump
To Crankcase
Vacuum
Fuel Fuel
Tank Tank
Fuel Pump
Module
Inline Fuel
Filter
Figure 5-25 Typical Fuel Flow Diagram for Model 490000.
Mechanical Diaphragm
Fuel Pump
Fuel Level Fuel Level
Fuel
Fuel
Tank
Tank
To Crankcase
Inline Fuel
Vacuum
Filter
Graduated
Cylinder
Figure 5-26 Perform Volumetric Test.