English dropdown-ico

Sears 390.2521 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Sears 390.2521, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Sears 390.2521 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Sears 390.2521. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Sears 390.2521 should contain:
- informations concerning technical data of Sears 390.2521
- name of the manufacturer and a year of construction of the Sears 390.2521 item
- rules of operation, control and maintenance of the Sears 390.2521 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Sears 390.2521 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Sears 390.2521, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sears service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Sears 390.2521.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Sears 390.2521 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    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. I:RI:I FTSMI:IN ° PROFESSIONAL 1/2 HP SHALLOW WELL WATER SYSTEM • Safety Instructions • Installation • Electrical • Maintenance • Repair Parts Sears, Ro[...]

  • Page 2

    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.M/TS . 12-14 INTRODUCTION Please read our mstructions before mstallmg and usmg }'our Shallow Well Water System Tilts will help you obtain the full benefits[...]

  • Page 3

    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. 9. Use of fuses or wire smaller than size rec[...]

  • Page 4

    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. It should be installed five to ten feet below the low- est level to which the water vdll drop while the pump is op- er[...]

  • Page 5

    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. 1" 1-1/4" 1-1/2" Up to 25 Ft. 25 to 1O0 Ft. 1O0 to 600 Ft. Tank Tanks[...]

  • Page 6

    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. NOTICE: Never wire a 115 volt motor to a 230[...]

  • Page 7

    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. Install, ground, wire, and maintain your pump in compli- ance with the National Electrical Code (NEC) or the Canadian Electrical Code (CEC), as applicable, and with all [...]

  • Page 8

    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. Disconnect power before working on unit. Pump should be drained whenever it is disconnecte[...]

  • Page 9

    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. 1. Disassembl[...]

  • Page 10

    MAINTENANCE / HELPFUL HINTS B. Wet outer edge of "O" Ring with detergent solution. C. With finger pressure press seat firmly and squarely into cavity. See Figure 9A. Polished face of seat faces inside of pump. If seat vdll not locate properly, place cardboard washer over polished face and use piece of 3/4" standard pipe for pressing [...]

  • Page 11

    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. Motor is wired incorrectry 5.[...]

  • Page 12

    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[...]

  • Page 13

    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 L176-47P U9-399 U 109-6A J105-4OPE J1-39P C 19-54SS U9-201 N32P-66 N34P-19 N76-29P J20-18 N 176-28PB N76-28P U37-673P U111-212T U9-226 N 166-5P U212-68T U30[...]

  • Page 14

    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 Description Tank Assembly (Includes Diaphragm, Elbow, Valve, Nuts, Washers, & Inlet Flange) Bag - Vinyl Air Valve w/Cap Inlet Flange Nut - 5/16-18 Hex Ho[...]

  • Page 15

    15[...]

  • Page 16

    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 information: • Product Type • Model Number • Part Number • Part Description I:RRFTSMRN ° PROFESSIONAL 1/2 HP SHALLOW WELL WATER SYSTEM For the re[...]