Sears 390.250095 Owner'S Manual Download | Manualshive

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OWNER’S

MANUAL

MODEL NO.

390.250095

CAUTION:
Read and Follow
All Safety Rules and
Operating Instructions
Before First Use of
This Product.

Save This Manual For
Future Reference.

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

• Safety Instructions
• Installation
• Electrical
• Maintenance
• Repair Parts

PRINTED IN U.S.A.

1/2 HP SHALLOW WELL
WATER SYSTEM

Form No.

F642-9608

(Rev. 7/16/97)

FOR POSITION ONL

Y

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Summary of Contents for 390.250095

Page 1: ...uctions Before First Use of This Product Save This Manual For Future Reference Sears Roebuck and Co Hoffman Estates IL 60179 U S A Safety Instructions Installation Electrical Maintenance Repair Parts PRINTED IN U S A 1 2 HP SHALLOW WELL WATER SYSTEM Form No F642 9608 Rev 7 16 97 FOR POSITION ONLY ...

Page 2: ... into well con taminating well and possibly damaging pump 4 Protect pump and piping system from freezing Allowing pump or water system to freeze could severely damage pump and voids warranty To avoid serious injury and equip ment damage limit system pressure to 100 pounds per square inch PSI or below at all times Over pressure can cause tank blowup install relief valve capable of passing full pump...

Page 3: ...pe Foot Valve and Strainer Coupling Well Seal Dug or Cased Well 611 1293 Figure 1 Connections to water system Figure 2A Driven point Figure 2B Dug or cased well Check Valve Steel Drive Pipe Drive coupling Driven point 6 Disconnect electrical power source before in stalling or working on pump 7 Ground pump with a ground wire run from ground ing lug on motor to a grounded lead in the service panel 8...

Page 4: ... It should be installed five to ten feet below the lowest level to which the water will drop while the pump is operating pumping water level To keep sediment from clogging the strainer be sure it is five to ten feet above the bottom of the well Before installing the foot valve make sure that it works freely When using a foot valve a priming tee and plug as shown in Figure 1 Page 3 are recommended ...

Page 5: ...ally to 28 PSI It is necessary to flush all air out of the piping system and water reservoir portion of the pre charged tank This is required on new installations pumps requiring repriming and pumps that have been disassembled for service Do this as follows 1 Open faucets furthest from tank and allow pump to operate 2 Air in the system will cause a sputtering flow allow faucets to run until you ha...

Page 6: ...wn at left 4 Replace pressure switch cover before turning on power to pump ELECTRICAL OPERATION Priming the Pump NOTICE To prevent damage to internal parts do not start motor until pump has been filled with water To prime pump 1 Remove priming plug Figure 1 Page 3 2 Fill pump with water 3 Replace priming plug using Teflon tape or Plasto Joint Stik2 on plug threads tighten plug 4 Start the pump Wat...

Page 7: ...outside piping from tank and pump To avoid serious or fatal injury be sure all air pressure has been released from tank before proceeding to step 5 5 Remove nuts from inlet flange Key No 2 Page 14 Tap inlet flange to break seal Remove flange 6 Wherever convenient hold bag with pliers and cut with single edge razor blade or sharp knife Bag will not come out in one piece Continue pulling and cutting...

Page 8: ...sassemble pump as follows A Disconnect power B Remove pressure switch tube from pump body and allow pump to drain C Remove four hexnuts and lockwashers Key Nos 24 and 23 Page 12 which hold the pump body to the motor D Remove motor seal plate impeller rubber pad and diffuser Key Nos 1 3 7 8 and 9 Page 12 as a unit You may have to pry gently with two screwdrivers be tween the motor flange and the pu...

Page 9: ...troleum jelly or de tergent solution C With finger pressure press firmly and squarely into cavity Polished face of seat faces inside of pump If seat will not locate properly place cardboard washer over polished face and use piece of 3 4 standard pipe for pressing purposes See Figure 7 D Dispose of cardboard washer and clean surface of seat E Clean motor shaft F Reassemble seal plate to motor flang...

Page 10: ...No 8 Page 12 stays in place on top of diffuser Installing Copper Insert NOTE If the copper insert Key No 4 Page 12 moves or shifts during seal removal it should be removed and rein stalled 1 Remove copper insert as shown in Figure 12 do not de form 2 Replace copper insert A Clean off surplus Permatex from around insert cav ity Be careful not to scratch or mark the machined bore It is important tha...

Page 11: ...l carefully into the nozzle This will dislodge debris 3 Flush out the debris by running water through the nozzle in the same direction as the dislodging tool was inserted 4 Replace nozzle and venturi Do not overtighten 5 Reassemble per pump instructions on Page 8 HELPFUL HINTS How to Handle a Gaseous Well In some areas well water contains gases which must be allowed to escape before the water is u...

Page 12: ...19 20 21 22 23 24 25 26 27 28 SEARS 1 2 HP SHALLOW WELL WATER SYSTEM Pump Only Model 390 250095 To Order Parts in the U S A Call Sears Product Service 1 800 366 7278 To Order Parts outside the U S A Call Your local Sears Service Center or Store L1 L2 1C 1D Wiring omitted for clarity 1A 1B ...

Page 13: ...1 Check Valve 13 WC78 41T 1 Pipe Plug 1 8 NPT 14 U111 212T 1 90 Hose Barb 15 U37 670P 1 Pressure Switch Tube 16 J20 18 1 Gasket 17 N76 29P 1 Pump Body Jet Insert 18 U30 742SS 4 Capscrew 10 16 19 N34P 19 1 Nozzle 45 20 N32P 66 1 Venturi 21 U9 201 1 O Ring 22 J104 9F 1 Base Assembly Painted 23 U43 12ZP 4 Lock Washer 3 8 24 U36 38ZP 4 Nut 3 8 16 25 C35 5 1 Rubber Pad 26 2781 1 Pressure switch 27 U36 ...

Page 14: ...50095 Key 1 2 HP Qty No Part Number Used Description 1 U231 285 S 1 Tank Assembly Includes Diaphragm Valve Nuts Inlet Flange U20 7 1 Bag Vinyl U212 160 1 Air Valve with Cap 2 U131 146 1 Inlet Flange 3 U36 37PS 6 Nut 5 16 18 Hex 4 U78 916P 1 Elbow 3 4 FPT x 1 Insert 5 U19 55SS 2 Clamp 6 U74 37X 1 Hose 1 x 23 7 U78 972P 1 Discharge Tee with Barb 8 U78 107PT 1 1 2 x 1 8 NPT Reducer Bushing 9 WC78 41T...

Page 15: ... Pump does not 1 Water level in well is lower than 1 A deep well jet pump may be needed over 20 ft to water deliver water to full estimated capacity also check 2 Steel piping if used is corroded or 2 Replace with Plastic Pipe where possible otherwise with point 3 immediately limed causing excess friction new steel pipe above 3 Offset piping is too small in size 3 Use larger offset piping Pump pump...

Page 16: ...quire about an existing Agreement call 9 am 5 pm Monday Saturday 1 800 827 6655 M A I N T E N A N C E A G R E E M E N T America s Repair Specialists REPAIRSERVICES America s Repair Specialists REPAIRSERVICES America s Repair Specialists REPAIRSERVICES Sears Roebuck and Co Hoffman Estates IL 60179 U S A OWNER S MANUAL Model No 390 250095 The model number of your Shallow Well Water System will be fo...

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