The Governor Calibration Tool maintains the fixed shaft position and allows injectors to be synchronized under a controlled fuel delivery state. This controlled holding action allows service personnel to observe injector response and make adjustments without unintended shaft movement. The tool supports repeatable synchronization steps by keeping the fuel control input constant throughout the procedure. This function helps align injector operation relative to the governor control setting, allowing balanced fuel delivery across injectors during calibration work.Attributes:• Makes it easier to rotate the governor terminal shaft and easier to hold it in position when adjusting the power setting.• Has 2 dowels on one side to fit into 2 holes on the governor shaft position indicator• Allows consistent fuel control input during synchronization.Applications: The Governor Calibration Tool is used to hold the governor shaft in the fuel on position when synchronizing injectors during fuel system service operations.