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- Page 1 OM-07179-02 August 17, 2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMP MODEL SFS4C GORMAN‐RUPP PUMPS www.grpumps.com 2022 Gorman‐Rupp Pumps Printed in U.S.A.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com Valid serial number and e‐mail address required. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below. Your Gorman‐Rupp distributor needs this information when you require parts or service. Pump Model: Serial Number:...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐... - Page 4 TABLE OF CONTENTS (continued) PARTS LISTS: Pump Model Assembly ..........PAGE E - 3 Motor Assemblies .
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Page 5: Introduction
SF SERIES OM-07179 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per... -
Page 6: Safety - Section A
SF SERIES OM-07179 SAFETY - SECTION A This information applies to the SF Se ries submersible pump indicated on the front cover of this manual. In addition to this manual, see the sepa The electrical power used to operate rate literature covering the control box, this pump is high enough to cause inju... - Page 7 OM-07179 SF SERIES qualified electrician to make all electri cal connections. Make certain that the pump and enclosure are properly grounded; never use gas pipe as an Do not connect the pump motor directly electrical ground. Be sure that the in to the incoming power lines.
- Page 8 SF SERIES OM-07179 N.E.C. requirements in effect on the against a closed discharge valve for date of manufacture. Failure to follow long periods of time. applicable specifications, or substitu tion of electrical parts not supplied or approved by the manufacturer, can re sult in severe injury or death and void Do not remove plates, covers, gauges, warranty.
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Page 9: Installation - Section B
SF SERIES OM-07179 INSTALLATION - SECTION B Review all SAFETY information in Section A. match the ratings on the control box and in coming power. Since pump installations are seldom identical, this e. Carefully read all tags, decals, and markings section is intended only to summarize general rec... -
Page 10: Lifting
SF SERIES See Table B-1 for motor specifications. TABLE B-1. PUMP MOTOR SPECIFICATIONS MODEL VOLTAGE/ SIZE H.P . MOTOR LOCKED PHASE LOAD ROTOR AMPS AMPS SFS4C 208/3 4” 10.0 1750 30.0 184.7 SFS4C 230‐460‐575/3 4” 10.0 1750 27/13.5/10.8 167/83.5/66.8 SFS4C 208/3 4”... -
Page 11: Piping
SF SERIES OM-07179 shoe engages the discharge elbow/baseplate, it electrician perform all checks and con will form an automatic seal. nections in this section. Never attempt to alter the length of the If the pump is mounted on a trash stand, secure a pump motor cable or to repair it with a discharge hose or pipe to the optional discharge splice. -
Page 12: Motor Cable Grounding Test
OM-07179 SF SERIES only. Otherwise, damage to the pump and injury or death to personnel can re sult. Ground the pump using the power cable Motor Cable Grounding Test ground wire(s) before applying line po tential. Failure to properly ground the pump could result in damage to the pump or control and/or injury or death to personnel. -
Page 13: Liquid Level Devices
SF SERIES OM-07179 Diaphragm Type: two fixed‐position sen sors (upper and lower) each contain a dia phragm which flexes with changes in liquid level, thus activating an enclosed miniature The thermal protection contacts will auto switch. matically reclose when the motor cools to the established safe operating tempera... - Page 14 OM-07179 SF SERIES PUMP PUMP CONTROL BOX CONTROL BOX TO LEVEL CONTROL CIRCUIT TO LEVEL CONTROL CIRCUIT IN MAIN CONTROL IN MAIN CONTROL LIQUID LEVEL LIQUID LEVEL RANGE RANGE DEWATERING DEWATERING ON (FILLING) ON (FILLING) BULB (FLOAT TYPE) DIAPHRAGM TYPE Figure B-3.
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Page 15: Operation - Section C
SF SERIES OM-07179 OPERATION - SECTION C GENERAL INFORMATION pendent upon the quality and performance of the electrical controls, the pump warran Review all SAFETY information in Section A. ty is valid only when controls have been specified or provided by The Gorman‐ Rupp Company. - Page 16 OM-07179 SF SERIES SFS4C 230/460/575V 3P PERFORMANCE CURVE PAGE C - 2 OPERATION...
- Page 17 SF SERIES OM-07179 SFS4C 208V 3P PERFORMANCE CURVE OPERATION PAGE C - 3...
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Page 18: Control Box
OM-07179 SF SERIES Control Box 2. Lock out the power to the control panel to ensure that the pump will Control boxes are available as optional equipment remain inoperative. from the factory. The control boxes contain con 3. Allow the pump to completely cool trols for starting and stopping the pump, and pro... -
Page 19: Impeller Rotation
SF SERIES OM-07179 burns and injuries. If overheating of the ry or death. Make certain that incoming pump occurs: power is off and locked out before inter changing motor leads. 1. Stop the pump immediately. 2. Ventilate the area. 3. Allow the pump to completely cool. 4. - Page 20 OM-07179 SF SERIES between starts, it will over‐heat, resulting in damage to the motor windings. Stopping To avoid serious damage to the pump, check for unusual noises or excessive vi bration while the pump is running. If noise Follow the instructions accompanying the control or vibration is excessive, stop operation box for stopping the pump.
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Page 21: Cold Weather Preservation
SF SERIES OM-07179 COLD WEATHER PRESERVATION first two weeks of operation, and every month thereafter. Before installing or removing the lubrication plugs, always clean the area around the plugs to prevent contamination. Do not attempt to thaw the pump by us Draining Oil ing a torch or other source of flame. -
Page 22: Troubleshooting - Section D
SF SERIES OM-07179 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. NOTE Many of the probable remedies listed in the TROU BLESHOOTING CHART require use of electrical test instruments; for specific procedures, see ELECTRICAL TESTING at the end of the chart. TROUBLESHOOTING CHART TROUBLE POSSIBLE CAUSE... - Page 23 OM-07179 SF SERIES TROUBLESHOOTING CHART (cont'd) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Discharge head too high. Reduce discharge head or install MOTOR RUNS, BUT staging adaptor and additional PUMP FAILS TO DELIVER RATED pump. DISCHARGE. Low or incorrect voltage. Measure control box voltage, both when pump is running and when shut off.
- Page 24 SF SERIES OM-07179 ELECTRICAL TESTING 3. The pump submerged and running under full load. Make the electrical checks which follow to deter The voltage measured under each condition mine if pump malfunctions are being caused by must be the same. problems in the motor or in the motor cable.
- Page 25 OM-07179 SF SERIES motor cable green/yellow ground lead. Touch and 1 megohm, insulation is acceptable but the other test lead to each of the motor cable should be rechecked regularly. If resistance leads in turn. Note the readings. reads less than 1 megohm, insulation should be checked more closely and frequently.
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Page 26: Pump Maintenance And Repair - Section E
SF SERIES OM-07179 PUMP MAINTENANCE AND REPAIR - SECTION E GENERAL INFORMATION Lifting Review all SAFETY information in Section A. Pump unit weights will vary depending on the mounting and drive provided. Check the shipping The maintenance and repair instructions in this tag on the unit packaging for the actual weight, and manual are keyed to the illustrations, Figures E-1 use lifting equipment with appropriate capacity. - Page 27 OM-07179 SF SERIES ILLUSTRATION PARTS PAGE Figure E-1. SFS4C Pump Model Assembly PAGE E - 2 MAINTENANCE AND REPAIR...
- Page 28 SF SERIES OM-07179 SFS4C Pump Model Assembly Parts List (From S/N 1807337 Up) If your pump serial number is followed by an “N”, your pump is NOT a standard production model. Contact the Gorman‐Rupp Company to verify part numbers. ITEM...
- Page 29 OM-07179 SF SERIES ILLUSTRATION Figure E-2. Motor Assemblies PAGE E - 4 MAINTENANCE AND REPAIR...
- Page 30 SF SERIES OM-07179 Motor Assemblies Parts List ITEM PART PART NAME NUMBER STATOR/HOUSING SUBASSEMBLY -208‐230V/3P , 460V/3P 47113-113 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-093 --TERMINAL HOUSING STUD MC1042 17000 --ROTATION DECAL 38815-027 -575V/3P 47113-114 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-094 --TERMINAL HOUSING STUD MC1042 17000 --ROTATION DECAL...
- Page 31 Use Only Genuine Gorman-Rupp re damaged when lifting. Do not attempt to placement parts. Failure to do so may cre...
- Page 32 SF SERIES OM-07179 tor, proceed with PUMP END DISASSEMBLY, fol Pump Casing and Wear Plate Removal lowed by MOTOR DISASSEMBLY. (Figure E-1) Position the pump assembly on a flat surface and use the lifting bail and lifting device to support the pump in a vertical position.
- Page 33 OM-07179 SF SERIES condition which could indicate lower seal failure or Remove the seal sleeve O‐ring (21) from the rotor poor O‐ring seal. shaft. If no further disassembly is required, proceed to Impeller Removal the appropriate areas in PUMP END REASSEMB (Figure E-1) Upper Seal Removal Wedge a soft metal rod between the impeller vanes...
- Page 34 SF SERIES OM-07179 reassemble the pump end components at this time. tilated area free from excessive heat, sparks, and flame. Read and follow all precautions printed on solvent contain PUMP END REASSEMBLY ers. Inspect the rotor shaft (3, Figure E-2) for dam NOTE aged threads, scoring, or nicks.
- Page 35 OM-07179 SF SERIES ROTOR STATIONARY SHAFT SEAL SEAT ROTATING O‐RING ELEMENT SPRING BELLOWS AND RETAINER ASSY SPRING CENTERING WASHER SEAL RETAINING RING STATIONARY SEAL PLATE SEAL SEAT O‐RING ROTATING BELLOWS AND ELEMENT RETAINER ASSY SPRING SPRING SHIM SET RETAINER IMPELLER Figure E-3.
- Page 36 SF SERIES OM-07179 Position the intermediate so the holes for the Lubricate the seal sleeve O‐ring (21) with light oil mounting hardware in the intermediate align with and slide it onto the rotor shaft until it is seated those in the motor housing and press the inter against the shaft shoulder.
- Page 37 OM-07179 SF SERIES Lubricate the I.D. of the bellows with water and Position the replacement wear plate in the pump slide the rotating subassembly over the shaft casing bore and align the wear plate studs with the sleeve (23) until the seal face is just flush with the corresponding holes in the casing.
- Page 38 SF SERIES OM-07179 If installed in a trash application, secure the pump and 10) and separate the bail from the motor hous to the trash stand with the previously removed ing. hardware. If the discharge elbow was removed, re place the gasket and secure the discharge elbow Terminal Housing Assembly Removal to the pump casing with the previously remove (Figure E-1)
- Page 39 OM-07179 SF SERIES Remove the snap ring (4) from the groove in the in Stator Removal termediate and pull the assembled rotor shaft and (Figure E-2) bearings out of the intermediate. Stator replacement requires specialized To prevent damage during removal from equipment, experience with electric mo...
- Page 40 SF SERIES OM-07179 MOTOR REASSEMBLY precautions printed on solvent contain ers. After the motor housing is thoroughly cleaned, po sition it on a flat surface and secure it in an inverted position. Do not unwrap the stator until the motor housing has been prepared for stator installation.
- Page 41 OM-07179 SF SERIES oil and the container must be absolutely clean. If terminal housing opening. Carefully lower the sta the oil has been previously used, it must be thor tor into the motor housing until fully seated against oughly filtered. the housing shoulder.
- Page 42 SF SERIES OM-07179 precautions printed on solvent contain vices of a qualified electrician to make ers. electrical connections. Position the intermediate with the impeller end Secure the pump in upright position with the hoist down on some wood blocks tall enough to allow for ing bail and terminal housing assembly removed.
- Page 43 OM-07179 SF SERIES Hoisting Bail Installation motor and seal cavities must be vacuum tested any time the seal(s) and/or motor are serviced. (Figure E-1) Use a manometer with a range of 30 to 0 to 30 inch es of mercury to perform the test. Do not use a vac If the hoisting bail (11) was removed in order to re...
- Page 44 SF SERIES OM-07179 ential between the vacuum readings shown in the ing assembly must be replaced with a test plate. table. Make the test plate as shown in Figure E-5 below, install the terminal housing O‐ring under the test To vacuum test the motor cavity, the terminal hous plate, then proceed with vacuum testing.
- Page 45 OM-07179 SF SERIES The grade of lubricant used is critical to the opera tion of this pump. Use premium quality hydraulic oil as specified in Table E-2. Table E-2. Pump Oil Specifications Specifications: Type ......Premium high viscosity index, anti‐wear hydraulic oil Viscosity (SSU @ 104_F [40_C]) .
- Page 46 For Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 Canada: 519-631-2870 International: +1-419-755-1352 GORMAN‐RUPP PUMPS...
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