TM 10-4930-241-132-10. 4-INCH BALL VALVE CONTROLS.Refer to figure 2-10.Extension Wench (1).The 4-inch ball valves are used to control the flow of fuel from the AFSSP. Turning the handle to the openposition allows fuel to flow. Turning the handle to the closed position stops the fuel flow.Figure 2-10 . 4-Inch Ball Valve Controls . 2-16
