Instruction/ maintenance manual of the product 390.2521 Sears
Go to page of 16
SEARS OWNER'S MANUAL MODEL NO. 390.2521 CAUTION: Read and Follow All Safety Rules and Operating Instructions Before First Use of This Product. Save This Manual For Future Reference.
CONTENTS INTRODUCTION/WARRANTY 2 PUMP PERFORS*L_CE 3 bL_JOR COMPONENTS 3 INST.M.L__TIO N 4-5 ELECTRIC.M. 6-7 OPERATION MAINTEN?O,rCE 8-10 HELPFUL HINTS 10 TROUBLESHOOTING GUIDE 1 1 REPAIR P.
SAFETY INSTRUCTIONS (Continued) 6. Disconnect electrical power source before installing or working on pump. 7. Ground pump with a ground wJ_e run from grounding lug on motor to a grounded lead in the service panel. 8. Line voltage and frequency of electrical power supply must agree with motor nameplate.
INSTALLATION INSTALLATION 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. Discharge Pipe Sizes When the pttmp 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.
ELECTRICAL Disconnect power before working on pump, motor, pressure switch, or wiring. Motor Switch Settings ff the motor can operate at either 115 or 230 volts, it is set at the factory to 230 volts. Do not change motor voltage setting if line voltage is 230 volts, or if you have a single voltage motor.
ELECTRICAL NOTICE: Dual-voltage motors are factory wired for 230 volts. If necessary, reconnect the motor for 115 volts, as shown. Do not alter the wiring in single voltage motors.
MAINTENANCE Lubrication It is not necessary to lubricate the pump or its motor. The motor beatings are lubricated for life. The mechanical shaft seal in the pump is water lubricated and self-adjusting. Draining for Winter &WARNING] Risk of electric shock.
MAINTENANCE DISASSEMBLY AND ASSEMBLY OF PUMP AWARNING] Risk of electric shock. Ground unit and disconnect power before attempting any work on pump or motor. Your Sears pmlap is designed for ease in servicing. Should repair or replacement of the motor or seal be needed, the pump and piping do not need to be disconnected or dis- turbed.
MAINTENANCE / HELPFUL HINTS B. Wet outer edge of "O" Ring with detergent solution. C. With finger pressure press seat firmly and squarely into cavity.
TROUBLESHOOTING GUIDE TROUBLE POSSIBLE CAUSES REMEDIES Motor will not run 1. Disconnect switch is off 1. Be sure switch is on 2. Fuse is blown 2. Replace fuse 3. Starting switch is defective 3. Replace starting switch 4. Wires at motor are loose, 4. Refer to instructions on wiring disconnected, or wired incorrectly *5.
REPAIR PARTS 29 3O 1 / Pump Only- Model 390.2521 2 3 4 5 28 26 _25 11 16 17 23 587 1193 8 9 22 24 19 21 10 2O 12.
REPAIR PARTS Key Model 390.2521 Part No. 1/2 HP Description 1_-_ - 2 3* 4 5 6 7 8 9 10 11 12 13 14 15 16 16 17 18 19 20 21" 22 23 24 25 26* 26A* 27 28 29* 30 J218-953C 17351 -OOO9 WC78-41T L176-4.
REPAIR PARTS Tank Only - Model 390.2521 6 REPAIR PARTS Model 390.262"1 Key 1/2 HP Qty. No. Part Number Used 1 29135 1 "1 2 3t 4 5 6-i- U20-13 U31-446P U74-37H U 19-55SS 1 1 1 6 1 2 2 Descrip.
15.
SEARS OWNER'S MANUAL Model No. 390.2521 The model number of your Shallow Well Water System will be found on the pump body When requesting service or ordering parts, always give the following info.
An important point after buying a device Sears 390.2521 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sears 390.2521 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sears 390.2521 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sears 390.2521 you will learn all the available features of the product, as well as information on its operation. The information that you get Sears 390.2521 will certainly help you make a decision on the purchase.
If you already are a holder of Sears 390.2521, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sears 390.2521.
However, one of the most important roles played by the user manual is to help in solving problems with Sears 390.2521. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sears 390.2521 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
