Craftsman 390.250255 Owner'S Manual Download | Manualshive

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OWNER’S

MANUAL

MODEL NO.

390.250255

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.

SHALLOW WELL
JET PUMP

®

Form No.

F642-9903

(Rev. 4/19/01)

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Summary of Contents for 390.250255

Page 1: ...perating 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 SHALLOW WELL JET PUMP Form No F642 9903 Rev 4 19 01 ...

Page 2: ... current supply agree with the motor wiring as shown on motor nameplate 10 The correct fusing and wiring sizing is essential to proper motor operation Use recommended fusing and wire size data in the manual Page 6 11 Pump water only with this pump 12 Periodically inspect pump and system components 13 Relief valve must be capable of passing full pump flow at 75 PSI Pump body may explode if used as ...

Page 3: ...ormation The strainer should not be too close to the bottom or sediment may clog it Before installing foot valve check to see that it works freely When using a foot valve a priming tee and a plug as shown in Figure 1 is recommended Be sure the total lift from the pumping water level to the pump does not exceed 20 feet if the pump is over the well or less if the pump is offset from the well Both fi...

Page 4: ...lve used if horizontal piping is 25 ft or more Drive Coupling Check Valve Driven Point 1 1 4 Steel Drive Pipe From Well AVC Port Air Volume Control Tube Priming Plug Relief Valve To Household Water System Air Volume Control Pressure Switch Built in Check Valve From Well Priming Plug To Household Water System Built in Check Valve Relief Valve Plastic Pipe Adapter 1 1 4 Plastic Pipe Pressure Switch ...

Page 5: ...tings in the air volume control and pump body Use nuts sleeves and inserts furnished Priming the Pump Never run pump dry Running pump without water may cause pump to overheat damaging seal and possibly causing burns to persons handling pump Fill pump with water before starting Never run pump against closed dis charge To do so can boil water inside pump causing hazardous pressure in unit risk of ex...

Page 6: ... switch as shown in Figure 4 6 Figure 4 Motor wiring connections through Pressure Switch Match motor voltage to line voltage Your Motor Terminal Board under the motor end cover and Pressure Switch look like one of those shown below Convert to 115 Volts as shown Do not change motor wiring if line voltage is 230 Volts or if you have a single voltage motor Connect power supply as shown for your type ...

Page 7: ...ow be re moved 3 Carefully tap diffuser to remove from seal plate 4 Remove canopy from end of motor 5 Partially unscrew capacitor clamp move capacitor to one side 6 Hold motor shaft with 7 16 wrench on the flats on the motor shaft and unscrew impeller Removal of Old Seal 1 After unscrewing impeller carefully remove rotat ing part of seal by prying up on sealing washer using two screwdrivers see Fi...

Page 8: ...ameter pointed tool into the nozzle and dislodge foreign material If it is not possible to push the obstruction through the nozzle or if the nozzle is damaged follow in structions above under Replacing Venturi 4 Replace all parts Connect motor wiring and turn on power HOW TO HANDLE A GASEOUS WELL In some localities well water contains gases which must be allowed to escape before the water is used ...

Page 9: ...om buried in sand or mud 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 2 Steel piping if used is corroded or 2 Replace with plastic pipe where possible otherwise with check point 3 limed causing excess friction new steel pipe immediately above 3 Offset piping is too small in size 3 Use larger...

Page 10: ...U111 211T 1 Hose Barb 12 U78 941ZPV 2 Pipe Plug 1 4 NPT Hex Head 13 N212 12P 1 Check Valve 14 U78 56S 1 Pipe Plug 1 8 NPT Square Head 15 N176 38A 1 Pump Body Assembly 16 U30 75ZP 4 Capscrew 3 8 16x1 1 4 Hex Head 17 U37 672P 1 Switch Tube 18 2781 1 Pressure Switch 19 U36 112ZP 1 Locknut 1 2 20 L43 5C 1 Connector To Order Parts Call Sears Product Service 1 800 366 7278 Includes Key Nos 9 10 12 and 1...

Page 11: ...36 U37 17GPT Nipple 1 4 x 1 1 2 37 U37 205P Tube AVC 38 U111 86T Compression Fitting Elbow 1 4 NPT 39 U111 100T Compression Fitting Straight 1 8 NPT Standard hardware item May be purchased locally Shallow Well Jet Pump Air Volume Control Package For Use With Standard Air Tanks Not Furnished Must be purchased separately ...

Page 12: ...uire 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 250255 The model number of your Shallow Well Jet Pump will be found o...

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