Sears CRAFTSMAN HYDROGLASS 390.250284 Owner's Manual
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Sears CRAFTSMAN HYDROGLASS 390.250284 Owner's Manual

Shallow well jet pump
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OWNER'S
MANUAL
MODEL NO.
390.250284
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.
HYDROGLASS
SHALLOW WELL
JET PUMP
• Safety Instructions
• Installation
• Operation
• Troubleshooting
• Repair Parts
®
®
F642-9904
Form No.
(Rev. 4/19/01)

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Summary of Contents for Sears CRAFTSMAN HYDROGLASS 390.250284

  • Page 1 • Safety Instructions Before First Use of • Installation This Product. • Operation Save This Manual For • Troubleshooting Future Reference. • Repair Parts Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. PRINTED IN U.S.A. F642-9904 Form No. (Rev. 4/19/01)

  • Page 2: Table Of Contents

    Repair Parts................11 FULL ONE YEAR WARRANTY ON CRAFTSMAN ® WELL PUMPS For one year from the date of purchase, Sears will repair or replace this pump, free of charge, if defective in material or workmanship. LIMITED WARRANTY ON CRAFTSMAN ®...

  • Page 3: Pump Performance

    GENERAL INFORMATION Table I - Pump Performance Chart (In Gallons Per Minute) Discharge Pumping Depth in Feet Pump Suction Discharge Pressure Model Description Size Size P.S.I. 5’ 10’ 15’ 20’ 390.250284 1/2 HP Standard S.W. Jet 1-1/4” 3/4” MAJOR COMPONENTS AND PIPING WHAT THEY DO Piping in the Well...

  • Page 4: Installation

    Open priming plug at well head to allow filling of pipe. Well Water SEARS jet pumps should be used with Captive Air® Tanks Suction Pipe (see Figure 2, Page 3). For mounting pump to tank, pur- From Well chase tank fittings Kit No. 2788.

  • Page 5: Electrical

    ELECTRICAL Disconnect power before working on pump, motor, pressure switch, or wiring. Your Motor Terminal Board (under the motor end cover) if line voltage is 230 Volts or if you have a single voltage and Pressure Switch look like one of those shown below. motor.

  • Page 6: Operation/Maintenance

    Never run pump dry. Running pump with- Your SEARS pump is designed for ease in servicing. Should out water may cause pump to overheat, dam- repair or replacement of the motor or seal be needed, the...
  • Page 7 OPERATION 3. Remove seal plate from motor by inserting two screw- drivers between the seal plate and the motor flange. Pry seal plate off motor flange. This will force rotating portion of seal off shaft. NOTE: Be sure you do not scratch shaft! See Figures 5 &...
  • Page 8 OPERATION 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 9. Figure 11 Installing Copper Insert Figure 9 NOTE: If the copper insert (Key No. 4, Page 11) moves or shifts during seal removal, it should be removed and rein- J.

  • Page 9: Helpful Hints

    OPERATION Cleaning Shallow Well Jet To remove debris from venturi or nozzle, proceed as fol- Wipe on small amount of non-hardening Permatex lows: on this surface 1. Disassemble pump per instructions on Page 6. 2. Turn venturi counterclockwise and remove it. The noz- zle is now exposed.

  • Page 10: Troubleshooting Guide

    TROUBLESHOOTING CHART SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION 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.

  • Page 11: Repair Parts

    REPAIR PARTS Port To Order Parts, Call Sears Product Service, 1-800-366-7278 2305 0296 Model 390.250284 Qty. Part Number Used Description J218-953C Motor - 115/230V 17351-0009 Water Slinger N203-12P Seal Plate Assembly J3-2 Seal Plate Insert U9-390 O-Ring U109-6A Shaft Seal...
  • Page 12 1-800-827-6655 information: • Product Type • Model Number REPAIR SERVICES • Part Number America's Repair Specialists • Part Description Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

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