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SEARS
OWNER'S
MANUAL
MODELNO.
390.251483
390.251883
CRRFTSMRN°
PROFESSIONAL
CAUTION:
Readand Follow
"HYDROGLASS ''®
All SafetyRulesand
SHALLOW WELL JET PUMP
OperatingInstructions
BeforeFirstUseof
• Safety Instructions
ThisProduct.
• Installation
SaveThisManual For
• Operation
FutureReference.
• Troubleshooting
• Repair Parts
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
PRINTED IN U.S.A. Form No F642-9906 (Rev, 4/18/01)
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READ AND FOLLOW SAFETY INSTRUCTIONS! This is the ,safety alert symbol. When you see this sTmbol on your pump or in this manual, look for one of the following signal words and be alert to the potemial for personal injury: DANGER warns about hazards that will cause serious personal injury, death or major property damage L_ignored. WARNING warns about hazards that will or can cause serious personal injury., death or major property damage if ignored. CAUTION warns about hazards that will or can caus
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INTRODUCTION CONTENTS We suggest you take a few minutes to read the instructions con- Safety .............................................................................................. 2 tained in this manual before installing and using your pump. This Warranty/Introduction ................................................................... 3 will help you obtain the full benefits of the quality and convenience Pump Performance .................................................................
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MAJOR COMPONENTS / PIPING Pressure Switch Horizontal Piping from Well to Pump The pressure switch provides automatic control. On well point installations where the horizontal piping is more than 25 feet, a check valve should be installed (Figure 3). MODEL NO. PUMP STARTS AT PUMP STOPS AT When the pump is offset more than 25 feet from the well, hori- 390.251483 40 PSI 60 PSI zontal piping should be increased in size to reduce friction losses. Never use offset piping that is smaller than the sucti
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ELECTRICAL ,_ Disconnect power before working on pump, motor, pressure switch, or wiring. Your Motor Terminal Board (under the motor end cover) and 230 Volts or if you have a single voltage motor. Connect power Pressure Switch look like one of those shown below. Convert to supply as shown for your type of switch and your supply voltage. 115 Volts as shown. Do not change motor wiring if line voltage is Motor wires connect here. 230 Voltto 115 Volt Conversion, Plug-inType: r wires connecthet:e. 1.
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INSTALLATION / OPERATION INSTALLATION 1. Wrap 1-1/2 to 2 turns of Teflon tape to all male pipe threads being attached to the pump. This will insure leakproof connec- SEARS jet pumps should be used with Captive Air® Tanks (See tions. Do not overtighten threaded fittings in the plastic pump. Figure 5). If leaks do occur, remove the fitting, replace the Teflon tape, TO SERVICE and rewrap with 1-1/2 to 2 turns of Teflon tape and remake the PRIMING PLUG connection. PRESSURE t JET BUIL_I N 2. independ
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SERVICE MAINTAINING YOUR PUMP B. Loosen two screws and remove motor canopy. C. If motor has capacitor, partially unscrew capacitor clamp and Lubrication move capacitor to one side• e _ It is not necessary to lubricate the pump or its motor• The motor [AWARNINGJ Risk of electrical shock Do not touch ca- bearings are lubricated for life. The mechanical shaft seal in the pacitor terminals with body or any metal object. pump is water lubricated and selt:adjusting. D. Hold motor shaft with a 7/16" wr
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SERVICE C. With finger pressure press seat firmly and squarely into cav- J. Reposition capacitor and replace motor canopy. ity. See Figure IOA. Polished face of seat faces inside of pump. K. Remount diffuser on seal plate. If seat will not locate properly, pLAce cardboard washer over Cleaning Inlpeller polished face and use piece of 3/4" standard pipe for press- 1. Follow steps 1A through 1E tinder "Disassembly and Assembly ing purposes. See Figure'10B. of Pump" on Page 7. 2. Remove diffuser and
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TROUBLESHOOTING CHART PROBLEM 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. . Check and tighten all wiring. 5. Pressure switch contacts are dirty. 5. Clean by sliding piece of plain paper between contacts. Motor runs hot and 1. Motor is wired incorre
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REPAIR PARTS 1/2 HP 3/4 HP Key Model Model Part No. 390.251483 390.251883 Description .* J218-953C Motor - 1/2 HP - 115/230V - 60 Cycle I** J218-954C Motor - 3/4 HP - 115/230V - 60 Cycle 2 17351-0009 17351-0009 Water Slinger 3* U78-107PT U78-107PT Reducer Bushing - 1/2" x 1/8" NPT 3A WC78-41T WC78-41T Pipe Plug - 1/8" NPT 4 L176-47P L176-47P Tank Body iE_ackHalf) 5 U9-399 U9-399 O-Ring - (Sq, Cut) Tank Body - 9-1/2" x 9" x 1/4" 6 U109-6A U109-6A Shaft Seal 7 J105-40PE J105-42PT Impeller 8 J1-39P
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REPAIR PARTS 1 2 / 3 3A 29 28 27 8 9 10 / 11 \ 14 26 \ 23 19 20 / 7661194 ]1
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CRAFTSMAN* SEARS PROFESSIONAL OWNER'S ".HYDROGLASS ''® MANUAL SHALLOW WELL JET PUMP Forthe repairorreplacementpartsyouneed MODELNO. Calf7 am- 7 pm, 7 daysaweek 1-800-366-PART 390.251483 (1-880-366-7278) 390.251883 Forin-homemajorbrandrepairservice Call24 hours aday,7 daysaweek 1-8OO-4-REPAIR • (1-800-473-7247) Themodelnumber of Forthe IocaUon_of a SearsRepairServiceCenterin yourarea your Shallow Well Jet Call24 hours aday,7 daysaweek Pumpwill be found on the 1-800-488-1222 pump body. When reques
