SEARS OWNER'S MANUAL MODEL NO. 390.252158 CRAFTSMAN ° CAUTION: Read and Follow All Safety Rulesand Operating Instructions Before FirstUse of ThisProduct. Save This Manual For Future Reference. PROFESSIONAL 112 HP SHALLOW WELL WATER SYSTEM • Safety Instructions • Installation • Electrical • Maintenance • Repair Parts Sears, Roebuck and Co., Hoffman PRINTED IN U.S.A. Estates, IL 60179 U.S.A. Form No.
CONTENTS INTRODUCTION/WARRANTY INTRODUCTION .......................................... 2 PUMP PERFORMANCE ....................................................... 3 MAJOR COMPONENTS ...................................................... INSTALLATION ................................................................ 3 4-5 ELECTRICAL ..................................................................... 5_6 OPERATION ........................................................................
SAFETY INSTRUCTIONS 6. Disconnect electrical working on pump. power source before installing 8. Line voltage and frequency of electrical power supply must agree with motor nameplate. 9. Use of fuses or wire smaller than size recommended in owner's manual can cause overheating, possible fires, and will void warranty. or 7. Ground pump with a ground wire run from grounding lug on motor to a grounded lead in the service panel.
INSTALLATION INSTALLATION For a pump at sea level mounted directly over the well, be sure the total lift from the pumping water level to the pump does not exceed 20 feet. This will be less ff the pump is offset from the well. Piping in the Well The Shallow Well Water System can be installed on a dug well, drilled well or with a driven point. In a dug or cased well, a foot valve and strainer should be installed for easy priming.
INSTALLATION 1-1/4" 1-1/2" 2" Up to 25 Ft. 25 to 50 Ft. 50 to 200 Ft. quired on new installations, pumps pumps that have been disassembled fonows: 1. Open erate. Discharge When the pump is some distance from the house or point of water use, the discharge pipe size should be increased to reduce pressure losses caused by friction. 1-114" 1-1/2" Up to 25 Ft. 25 to 100 Ft. 100 to 800 Ft. furthest from tank and allow pump 3. Open and close faucets air has been removed.
ELECTRICAL Disconnect power before working on pump, 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 _ switch, or wiring. - Motor wires connect here. Power supply wires connecthere, 230 Volt: Connect 2 hot wires (black and red) here and cap the white(neutral) wire. It does not matter whichwire goes to whichscrew.
OPERATION Priming the will probably prime the first time after steps 1 through 4 above. Pump NOTICE: To properly prime the pump, install a pipe tee in the discharge piping (see Figure 1, Page 4). To prevent damage to internal-parts, pump has been filled with water. To prime pump: 1. Remove priming Page 4). plug do not start motor From 10 to 20 foot depths, you might have to shut off the pump and repeat steps 1, 2 and 3 several times. until If, after pumped, 5. (Purchase separately; 2.
MAINTENANCE 2. Reassembly NOTICE: DO not overtighten; you may twist studs off of tank. If you have a torque wrench, tighten to 85 inchpounds torque. 18. Stand tank on feet and reconnect 19. Recharge tank to proper 20. Reconnect hoses (see Page 6). switch 1 through =O" rings with petroleum jelly, and place in (see Page 5). C. Slide pump tube; prime pump D. Clean inside of clamp. Place clamp around pump halves. Alternately tighten clamp screw and tap clamp around outside with plastic mallet.
MAINTENANCE 4. Place back half of pump on flat surface ramic seat. See Figure 6. and tap out ce- I. Screw impeller on shaft (clockwise) while holding shaft with 7/16" open end wrench on shaft flats. This will automatically locate seal in place. See Figure 8. 478 0194 4790t94 Figure 6 Figure 8 5. Clean seal cavity. 6. Install new seal. A. Clean cloth. polished surface of ceramic seat with B. Wet outer edge of "O" Ring with detergent J. Remount clean Cleaning solution. E. Clean motor F.
HELPFUL How to Handle a Gaseous HINTS Well In some areas well water contains gases which must be allowed to escape before the water is used. This can be done as shown in Figure 9. Gases rise to suflace A good way of delivering gas-free water is to suspend a pipe, closed at the bottom and open at the top, surrounding the suction pipe.
TROUBLESHOOTING TROUBLE POSSIBLE Motor will not run 1. 2. 3. 4, CAUSES GUIDE REMEDIES Disconnect switch is off Fuse is blown Starting switch is defective Wires at motor are loose, disconnected, or wired incorrectly *5. Motor is wired incorrectly 6. Pressure switch contacts are dirty 1. 2. 3. 4. Motor runs hot and overload kicks off "1. Motor is wired incorrectly 2. Voltage is too low Motor runs but no water is delivered "1. Pump in a new installation did not pick up prime through: a.
REPAIR PARTS Pump Only - Model 390.252158 1c 2 29 28 30 3 4 8 I 9 lO 24 11 16 17 \ 23 19 2O 22 To Order Parts in the U.S.A., Call Sears Product Service, 1-800-366-7278 . 21 TO Order Parts outside the U.S.A.
REPAIR PARTS Key No. Model 390.252158 1/2 HP Part Description 1"* J218-953C Motor- 1/2 HP - 115/230V - 60 Cycle 1A U18-1103 1B U18-1180 (Includes Key Nos.
REPAIR PARTS Tank Only - Model 390.252158 7 REPAIR PARTS Key No. Model 390.252158 1/2 HP Part Number 1 Qty. Used Description 29135 1 U20-13 1 Bag - Vinyl U212-160 t U31-446P 1 Air Valve w/Cap 1 6 Inlet Flange N_ - 5/16-18 Hex 5 U36-2.
SEARS OWNER'S MANUAL Model No. 390.252158 CRRFTJ;MRN° PROFESSIONAL 1/2 HP SHALLOW WELL WATER SYSTEM Forthe repair or replacementpartsyouneed Call7 am - 7 pro, 7 daysa week 1-800-366-PART (1-800-366-7278) Forin-homemajorbrandrepair service Call24 hoursa day, 7 days a week 1-800-4-REPAIR (1-800-473-7247) The model number of your Shallow Well Water Systemwill be found on the pump body.