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OWNER'S
MANUAL
MODEL NO.
390.250252
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.
PRINTED IN U.S.A.
CAST IRON
SHALLOW WELL
JET PUMP
• Safety Instructions
• Installation
• Electrical
• Maintenance
• Repair Parts
F642-9606
Form No.
(6/4/96)
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Summary of Contents for Sears 390.250252
- Page 1 Before First Use of • Safety Instructions This Product. • Installation Save This Manual For • Electrical Future Reference. • Maintenance • Repair Parts Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. PRINTED IN U.S.A. F642-9606 Form No. (6/4/96)
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Page 2: Table Of Contents
Repair Parts ............10-11 FULL ONE YEAR WARRANTY ON WELL PUMPS For one year from the date of purchase, Sears will repair or replace this well pump, free of charge, if defective in material or workmanship. This warranty does not cover repairs or replacement parts necessary because of abuse or negligence including failure to install, adjust and operate this pump according to the instructions in the owner’s manual. -
Page 3: Major System Components
When a SEARS Standard Tank is used, an air volume Horizontal Offset Piping Sizes control adds air to the tank when it is needed. See in-... -
Page 4: Installation
INSTALLATION Service Priming Built-in Check Valve Plastic pipe Pressure Adapter Switch From Well Drain Plug 1-1/4" Plastic Pipe 1" Hose Captive Air Tank 099 0295 Figure 2 – Typical Installation - Captive Air ® Pressure Tank Priming Well Seal Check Valve Service 1 1/4’’... - Page 5 INSTALLATION Pump Installation Priming the Pump SEARS jet pumps can be used with SEARS Captive Air ® Never run pump dry. Running pump Tanks as shown in Figure 2, Page 4. without water may cause pump to For mounting pump to tank, order tank fitting Kit No.
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Page 6: Electrical
ELECTRICAL Risk of serious or fatal Disconnect power at service panel electrical shock. before connecting pressure switch. Connect motor ground Motor wires wire before connecting are connected to these two To convert from power supply wires. brass screws. 230 to 115 Volts: Do not ground to a gas sup- Move white wire ply line. -
Page 7: Maintenance
MAINTENANCE Lubrication 3. Carefully tap diffuser to remove from seal plate. 4. Remove canopy from end of motor. It is not necessary to lubricate the pump or its motor. 5. Partially unscrew capacitor clamp; move capacitor The motor has two ball bearings lubricated for life. The to one side. - Page 8 Diffuser, Key No. 7, can now be lifted off and the In such cases, it is recommended that you install a impeller exposed and cleaned. SEARS Captive Air ® Tank, in which an air control mech- anism is not required.
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Page 9: Troubleshooting
4. Foot valve leaks 4. Replace foot valve 5. Pressure switch is out of adjustment 5. Replace pressure switch 6. Air charge too low in SEARS 6. Disconnect electrical power and open faucets until all pressure is Captive Air ®... -
Page 10: Repair Parts
REPAIR PARTS 19 20 AVC Port To Order Parts, Call Sears Product Service, 1-800-366-7278 1609 0195 Sears Shallow Well Jet Pump – 1/2 HP Model 390.250252 See Page 11 For Motor Service Parts Model 390.250252 1/2 HP Qty. Part Number Used... - Page 11 Overload U18-1180 Terminal Board U18-1098 Contactor U18-128 Governor Wiring omitted for clarity Sears Shallow Well Jet Pump Air Volume Control Package (Not Furnished - Must be purchased separately) Part Number Description 2761 Air Volume Control U78-774P Reducer Bushing - 1-1/4” x 1/4” NPT U37-17GPT Nipple - 1/4”...
- Page 12 Maintenance Agreement or to inquire about an existing Agreement information: call 9 am - 5 pm, Monday-Saturday 1-800-827-6655 • Product Type • Model Number • Part Number REPAIR SERVICES • Part Description America's Repair Specialists Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
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