SEARS OWNER'S MANUAL MODELNO. 390.251483 390.251883 CRRFTSMRN° CAUTION: Readand Follow All SafetyRulesand OperatingInstructions BeforeFirstUseof ThisProduct. Save ThisManual For FutureReference. PROFESSIONAL "HYDROGLASS ''® SHALLOW WELL JET PUMP • Safety Instructions • Installation • Operation • Troubleshooting • Repair Parts Sears, Roebuck and Co., Hoffman Estates, IL 60179 PRINTED IN U.S.A. U.S.A.
READ AND FOLLOW SAFETY INSTRUCTIONS! This is the ,safety alert symbol. When you see this sTmbol pump or in this manual, look for one of the following and be alert to the potemial for personal injury: DANGER warns about hazards injury, death or major property WARNING warns about that will cause serious damage L_ignored. hazards personal injury.
INTRODUCTION CONTENTS Safety .............................................................................................. 2 Warranty/Introduction 3 ................................................................... Pump Performance ........................................................................ Major Components ........................................... 3 _ ........................ 3-4 Piping ..........................................................................................
MAJOR COMPONENTS Pressure Switch automatic control. MODEL NO. PUMP STARTS AT PUMP STOPS AT 390.251483 40 PSI 60 PSI 390.251883 40 PSI 60 PSI from Well On well point installations where than 25 feet, a check valve should When zontal Never Pump to the horizontal piping is more be installed (Figure 3). the pump is offset more than 25 feet from the well, horipiping should be increased in size to reduce friction losses. use offset piping that is smaller than the suction tapping of the pump.
ELECTRICAL ,_ Disconnect power before working on pump, Your Motor Terminal Board (under the motor end cover) and Pressure Switch look like one of those shown below. Convert to 115 Volts as shown. Do not change motor wiring if line voltage is pressure switch, or wiring. 230 Volts or if you have a single voltage motor. Connect power supply as shown for your type of switch and your supply voltage. Motor wires connect here. 230 Volt to 115 Volt Conversion, Plug-in Type: 1.
INSTALLATION / OPERATION INSTALLATION SEARS jet pumps Figure 5). should be used with Captive Air® Tanks 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 connections. Do not overtighten threaded fittings in the plastic pump. If leaks do occur, remove the fitting, replace the Teflon tape, and rewrap with 1-1/2 to 2 turns of Teflon tape and remake the connection. 2.
SERVICE MAINTAINING YOUR PUMP B. Loosen Lubrication It is not necessary to lubricate the pump or its motor• bearings are lubricated for life. The mechanical shaft pump is water Draining two screws and remove C. If motor has capacitor, partially move capacitor to one side• lubricated for The motor seal in the [AWARNINGJ or is in dana draincock to vent the point below E. Turn Risk terminals D. Hold motor is to be disconnected from service, it must be drained. The pump has opened.
SERVICE C. With finger pressure ity. See Figure If seat will not polished face ing purposes. into cav- J. Reposition IOA. Polished face of seat faces inside of pump. locate properly, pLAce cardboard washer over and use piece of 3/4" standard pipe for pressSee Figure'10B. press seat firmly and squarely K. Remount Cleaning capacitor diffuser and replace motor canopy. on seal plate. Inlpeller 1. Follow steps 1A through of Pump" on Page 7. 1E tinder 2.
TROUBLESHOOTING PROBLEM POSSIBLE Motor 1. Disconnect will not run. CAUSES switch REMEDIES is off. 1. Be sure switch 2. Fuse is blown. 3. Starting switch is defective. 4. Wires at motor are loose, disconnected, or wired incorrectly. 5. Pressure switch contacts are dirty. Motor runs hot and overload kicks off. cycles b. Water too frequently. level below 1. In new through: suction of pump. 3.Jet orimpeller is plugged. 4. Check valve or foot valve is stuck in closedposition. 5.
REPAIR PARTS 1/2 HP Key No. .* Model 390.251483 3/4 HP Model Part 390.
REPAIR PARTS / 1 2 29 3 3A 28 27 8 9 / 10 11 \ 14 26 \ 23 19 20 / 7661194 ]1
SEARS OWNER'S MANUAL MODELNO. CRAFTSMAN* PROFESSIONAL ".HYDROGLASS ''® SHALLOW WELL JET PUMP Forthe repair or replacementpartsyou need Calf7 am - 7 pm, 7 days a week 390.251483 390.251883 1-800-366-PART (1-880-366-7278) Forin-homemajorbrandrepair service Call24 hours a day,7 daysa week 1-8OO-4-REPAIR • The modelnumber of your Shallow Well Jet Pumpwill be found on the pump body.