Craftsman 390.2505 Owner's Manual

INSTALLATIONReliefValvePlugTo HouseholdWater System Built-inCheck ValveTankSwitchAdapterFromWeftPlasticPipeFigure 2 - Typical Installation - Captive Air ePressure Tanko.ockvo,voNOTE: _ 1 1/4"Check Va_e used ifh°dz°ntal piping is _t /Stee_25. o_more _{ DrivePipeDrive_'CouplingDdven PointPlastic PWell SealFoot ValveDug or Cased WellReliefValve PrimingTo HouseholdWater SystemAVC PortFromWellAir VolumeControl Tube Built-inCheck ValveFigure 3 - Typical Installation - StandardPressure TankPump InstallationSEARS jet pumps can be used with Captive _ Tanksas shown in Figure 2.For mounting pump to tank, purchase tank fitting KitNo. 2788.CRAFTSMAN Captive Air* Tanks are precharged withair at the factory. Check the tank Owner's Manual tofind if air charge needs adjustment. Your pump re-quires 30 pounds for proper operation.The jet pump can also be mounted on standard hori-zontal tanks. A kit consisting of all necessary piping, el-bows, and other fittings, is furnished with the tank formounting pump using this method. See Figure 3.Instructions are included with tank.Air Volume Control -Included With Standard Horizontal TankThere is a 1-1/4" x 1/4" reducer bushing and a 1/4" x 1-1/2"nipple supplied in the fittings package. Use the one that fitsinto the air volume control tapping in the end of the tankas shown in Figure 3. Use pipe compound on male threads.Screw the air volume control on to the 1/4" fitting and theright angle compression fitting into the bottom tapping ofthe air volume control.Remove the 1/4" pipe plug, Key No. 13, Page 10, onthe jet portion of the pump body near the check valve.Insert a 1/4" compression fitting into this tapping. Cuttubing to length and assemble the two fittings in theair volume control and pump body. Use nuts, sleeves,and inserts furnished.Priming the PumpI_' CAUTIONI Never run pump dry. Running pumpwithout water may cause pump to overheat, dam-aging seal and possibly causing burns to personshandling pump. Fill pump with water before starting.[AWA_ Never run pmnp against closed dis-charge. To do so can boil water inside pump,causing hazardous pressure in unit, risk of ex-plosion and possibly scalding persons handlingpump.DO NOT START MOTOR UNTIL PUMP HAS BEENFILLED WITH WATER.1. Remove the priming plug. fill pump with water.Replace priming plug. If a priming tee and plughave been provided at the well head for a long hor-izontal run, be sure this tee is filled and the plug re-placed, using pipe compound on plug threads. SeeFigure 1, Page 3.2. Start the pump. Water win be pumped in a few min-utes; the time depending upon the depth to water,and the distance of horizontal run. If pump doesnot prime, check for a possible leak on the suctionside of the pump. Reprime. Check to be sure suc-tion lift - distance from water level to pump - doesnot exceed 20 feet.4