TM 10-5430-237-12&P 0004 00 0004 00-2 Table 1. Major Components, Controls and Indicators Key Control or Indicator Function 1 2 3 4 5 6 7 Fill/Discharge Fitting With Female Cam-Lock Coupling Fill/Discharge Fitting With   Male Cam-Lock Coupling Automotive Valves Inflation Valve Tank Collar Cover Float Handle-Toggles Provides the means to remove water from the tank.  This 2” (50.8 mm) male fitting can also be used to fill the tank.   Accessed by removing the dust plug which is held in place with two cam-lever arms. Provides the means to remove water from the tank.  This 2” (50.8 mm) male fitting can also be used to fill the tank.   Accessed by removing the dust cap which is held in place with two cam-lever arms. Models 90074/91038: There are two automotive valves: one in the tank collar and one in the cover float. The automotive valves provide attachment points for a standard, automotive type pump for inflating the tank collar and the cover float. Accessed by removing the valve cap. Model WT2008: Has one automotive valve located in the tank Collar. Model 90074:  There are two inflation valves: one in the tank collar and one in the cover float. The inflation valves provide an attachment point for the hand pump for inflating the tank collar and cover float. During use, the inflation valve is turned to “OPEN” position for inflating and deflating and to “CLOSE” position for holding air after inflation. Positions are stenciled on the tank collar and cover float. Model 91038: There are four inflation valves: three in the tank collar and one in the cover float. The inflation valves provide an attachment point for the foot bellows for inflating the tank collar and cover float.  During use, the inflation valve is turned to “OPEN” position for inflating and deflating and to “CLOSE” position for holding air after inflation.  Positions are stenciled on the tank collar and cover float. Model WT2008:  There are three inflation valves: two for use with foot bellows and one automotive (Schrader valve) for air compressor or tire pump. Models 90074/91038/WT2008: The tank collar is inflated before filling the tank and allows the collar and tank to rise with the rising water level. The inflatable float is part of the cover.  For Models 90074 and 91038 only, the float is inflated prior to installing the cover over the tank and acts to support the cover.  For Model WT2008, the float is inflated and secured in netting holder prior to installing the cover. Models 90074/91038/WT2008: The ten handle-toggles installed around the outside of the tank provide the attachment points for the ten cover handles for use in securing the cover to the tank and serve as lifting points for moving the empty tank.