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CRAFTSMAN 390.253250 Owner's Manual

Multi-stage jet pump.
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Read and Follow
All Safety Rules and
Operating Ins_rucfians
Before FirstUse of
This Product.
Save This Manual For
Future Reference.
• Safety Instructions
. Installation
. Electrical
• Operation
. Maintenance
. Repair Parts
Sears, Roebuck and Co., Hoffman
Estates, IL 60179
Form No.
(Rev. 6/20/97)


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   Summary of Contents for CRAFTSMAN 390.253250

  • Page 1

    MODELNO. 390.253250 ULTra-STAGEJET PU CAUTION: Read and Follow All Safety Rules and Operating Ins_rucfians • Safety Instructions Before FirstUse of . Installation This Product. . Electrical Save This Manual For • Operation Future Reference. . Maintenance . Repair Parts Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

  • Page 2

    CONTENTS UNTRODUCTION INTRODUCTION/WARRANTY ........Please read our instructions before installing and using your Deep Well Jet Pump. This will help you obtain the MAJOR COMPONENTS ..........full benefits of the quality and convenience built into PUMP PERFORMANCE ..........this equipment. It will also help you avoid any needless INSTALLATION ............

  • Page 3

    MAJOR COMPONENTS WHAT THEY Adapter Flange Tank and Air Volume Control The tank serves two tractions: The VMS pump is equipped with an adapter flange. This adapter facilitates installation and removal of the It provides a reservoir of water. Some of this water pump without disturbing piping.

  • Page 4

    PUMP PERFORMANCE Multi-Stage Pump Pump Performance (in gallons per minute) Pump Discharge Stock Pkg. Pressure Pumping Depth In Feet P.S.I. 29670* 11.3 10.0 10.6 390.253250 29902"*t 11.7 11.1 10.2 11.0 29660*'** 11.7 11.1 10.2 11.0 Use 160 PSI Min. Rating Plastic Pipe. * Jet Package No.

  • Page 5

    RNSTALLATION Do not use on shallow wells! (25 feet or less in depth) Deep well is more Use New Pipe for Best Results. than 25' (7.6M) to water with pump running. Body _ Clean Flow! Casing 1096 0697 From Well Figure I = No Dirt or Scale in Suction Pipe...

  • Page 6

    DEEP WELL INSTALLATION FOP, DOUBLE PIPE Pump Priming Gasket Tee and Gasket Plig Adapter Flange Suction: 1-1/4" Drive: Pipe or Plastic ipling 1-1/4" Pipe Pipe Adapter Threadlesseoupling[_ ___-L -I_;1_ Pipe Nipple orPipe Plastic Sae_it_al Drive Pipe 1-1/4" 1-1/4" Plastic Suction Pipe 1-1/4"...

  • Page 7

    DEEP WELL iNSTALLATiON FOR SINGLE PIPE Pump mounted on Casing Adapter x. Offset Nipple ''_ Pipe Clamp Well Casim Water level Pipe Clamp with pump Drive Pipe Pipe Venturi Figure I OA - Use tripod and lever hoist to lower pipe into the well 10 to 20 Feet Nozzle_...

  • Page 8

    PRESSURE TANK CONNECTmON Air Volume Control TANK To Service Sears Stock No. 2761 "_ Pressure Pump to Tank Piping 1" Discharge - Regulat°r Relief Valve Sears Stock No. 27229 Pressure Regulator Piping Tee and Air Volume Control Tubing/Fitting" Sears Stock No. 27881 1"...

  • Page 9

    ELECTRmCAL WARNING AGround motor before connecting to electri- cal power supply. Failure to ground motor can cause severe or fatal electrical shock hazard. Hazardous voltage. Can shock, burn, or cause To avoid dangerous or fatal electrical shock, death. turn OFF power to motor before working...

  • Page 10

    ELECTRICAL / OPE TUON 2360a 0697 2361a 0697 1030a 0697 A - CHose Regulator B = Fill Pump With Water C - Start Pump _ D = Adjust Regulator Figure R5 _ Priming Pump Connect power supply leads to switch terminals b.

  • Page 11

    OPE T ON / MAUNTENANCE Air Control In Nowing WeIBs regulator valve until pressure falters (pressure gauge needle flutters; pump may become noisy- see Flowing wells or wells with little or no drawdown, Figure 16B). At this point, close (turn clockwise) could create a special problem in air control...

  • Page 12

    HAmNTENANCE Pump Diassembly Hold the motor shaft with priers or vice grips through the opening in the pump adapter. Unscrew Pull disconnect switch. Disconnect power fines the impeller nut off the end of the shaft (see Figure from pressure switch. 20).

  • Page 13

    HAUNTENANCE 11. Remove the intermediate volute and slide the im- Carefully slide the adapter over the shaft (see Figure 24). Do not damage the shaft sealing surface; peller spacer off of the shaft. it is highly polished and any slight scratches or nicks 12.

  • Page 14

    HAINTENANCE Install the intermediate it with the volute, aligning 12. Insert the four base capscrews and tighten evenly mark made before disassembly. Use the long cap (see Figure 26). These should be easy to install if ev- screws to check this alignment.

  • Page 15

    TROUBLESHOOTING CHART SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION !. Be sure switch is on Motorwill not run 1. Disconnect switch is off 2. Fuse is blown 2. Replace fuse 3. Replace starting switch 3. Starting switch is defective 4. Refer to instructions on wiring. Check and tighten all 4.

  • Page 16

    REPAIR PARTS MultioStage Jet: Pump ModeR 390.253250 -14C _--18 1281 0994 2080 1095...

  • Page 17

    REPA| R PARTS Repair Parts List - Multi=Stage Jet Model Number 390.253250 Part 1 HP 115/230V/60Hz Description J218-600C Motor L43-5C Connector U36-112ZP Locknut-1/2" U217-1228 Pressure Switch U37-672P Switch Tube - 14-1/2" J212-24A Pressure Regulator Assembly L2-16 Adapter U30-75ZP Capscrew - 3/8"-16x1-1/4" Lg. (2 Req.) U65-15SS Shaft Key (2 Req.) U109-99...

  • Page 18

    REPAIR PARTS Sears Vertical Casing Adapters and Adapter Flanges To Order Parts, for MuRti°Stage Jet Pump Call Sears Product Service, 1-800o366o7278 Adapter Flange Casing Adapter Repair Parts List ° Adapter Flange Model 390.253250 Part Description J20-12 Adapter Gasket J2-17B Adapter- 1-1/4"x1-1-1/4"...

  • Page 19

    REPAIR PARTS Jet PacEages 4" Double Pipe Jets 2" and 3" Single Pipe Jets Suction Pipe: 1-1/4"'_ Drive Pipe: 1" /Well Seal Adapt/_er --Steel Nipple _oupling _Adapter Well <--Casing _Drop Pipe 1" Pipe- Adapter _---- 132o 1094 Repair Parts List = Jet Packages 13601094 29902 29660...

  • Page 20

    ULTi..STAGE Forthe repair or replacementpartsyou need Call7 am - 7 pm, 7 days a week t ..SOO-366-PARY (1-800-366-7278) For in-homemajorbrandrepair service Call24 hours a day,7 days a week 1-8OO-4-REPAIR (1-89g-473-7247) The model number of your Multi-Stage Jet For the locationof a Pump will be found on SearsRepairServiceCenterin yourarea the pump body.

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