Page 2 - RULES FOR SAFE INSTALLATION AND OPERATION
CONTENTS Warranty................................................................................ 2 Pump Performance................................................................ 3 Major Components................................................................ 3 Piping...............................
Page 3 - Figure I; PIPING; Not
GENERAL INFORMATION Table I: Pump Performance Chart (In Gallons Per Minute) Pump Suction Discharge Discharge Pressure Pumping Depth In Feet Model Description Size Size P.S.I. 5’ 10’ 15’ 20’ 390.2508 1/2 HP Standard S.W. Jet 1-1/4" 3/4" 40 7.3 6.2 5.2 4.2 MAJOR COMPONENTS AND WHAT THEY DO To ...
Page 4 - Horizontal Piping From Well To Pump; Discharge Pipe Sizes; IMPORTANT Use teflon tape supplied with the pump
PIPING INSTALLATION Cased W ell Open W ater Suction Pipe Foot Valve Strainer Screen 1836 0695 Figure 3 Horizontal Piping From Well To Pump When the pump is offset more than 25 feet from the well, horizontal piping should be increased in size to reduce fiic- tion losses. In no case should the offset ...
Page 5 - ELECTRICAL; Motor Switch Settings; Dial Type Voltage Selector; To change to 115 volts; kill. Connect ground wire before connecting power
ELECTRICAL A. Disconnect power before working on pump, motor, pressure switch, or wiring. Motor Switch Settings If 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 voltag...
Page 6 - WIRING CONNECTIONS; TABLE II: WIRING CHART — Recommended Fusing and Wiring Data
ELECTRICAL WIRING CONNECTIONS A WARNING I pij-e hazard. Incorrect voltage can cause a fire or seriously damage the motor and voids the warranty. The supply voltage must be within ±10% of the motor nameplate voltage. NOTICE: Dual-voltage motors are factory wired for 230 volts. If necessary, reconnec...
Page 8 - OPERATION; COPPER SEAT; ROTATING
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 Figtjres 7 & 8. POLISHED SURFACE OF FLOATING SEA...
Page 9 - Installing Copper Insert
OPERATION Screw impeller on shaft (clockwise) while holding shaft with 7/1 6 " open end wrench on shaft flats. This will automatically locate seal in place. See Figure 11. FACE OF SEALING WASHER IMPELLER IMPELLER HUB SHAFT SHOULDER RUBBER DRIVE RING Figure 11 Remount diffuser on seal plate. Be s...
Page 10 - Cleaning Impeller; HELPFUL HINTS; How to Handle a Gaseous Well; Air Control in Flowing Wells
OPERATION B. Place a small amount of No. 2 non-hardening Permatex on surface of insert as shown. Smooth out with finger. See Figure 15. Wipe on small amount of non-hardening Permatex on this surface Figure IS C. Pull insert into cavity as shown in Figure 16. D. Clean out any surplus Permatex from in...
Page 11 - TROUBLESHOOTING CHART
TROUBLESHOOTING CHART SYMPTOM POSSIBLE CAUSECS} CORHECnVE ACTION M otor w ill not run 1. D isconnect sw itch is off 1. B e sure switch is on 2. Fuse is blow n 2. R eplace fuse 3. Starting sw itch is defective 3. R eplace starting sw itch 4. W ires at m otor are loose, disconnected, or w ired incorre...
Page 12 - REPAIR PARTS; To Order
REPAIR PARTS To Order Parts, Call Sears P roduct Service, 1-800-366-7278 18 I r 16 15^ 1 14 Model 390.2508 Key No. Part Number Qty. Used Description 1# J218-953C 1 Motor - 115/230V 2 17351-0009 1 Water Siinger 3* N203-12P 1 Seal Piate Assembly 4 J3-2 1 Seai Piate Insert 5 U9-390 1 0-Ring 6 U109-6A 1...
Page 16 - MANUAL; The model number of; CRAFTSMAN; HYDROGLASS®; SEARS
E 4 I?. OWNER'S MANUAL MODEL NO. 390.2508 The model number of your Shallow Well Jet Pump will be found on a plate attached to the pump discharge connection. When requesting service or ordering parts, always give the following information: • Product Type • Mode! Number• Part Number• Part Description ...