Related Manuals for GORMAN-RUPP PUMPS SFSC4A
Summary of Contents for GORMAN-RUPP PUMPS SFSC4A
- Page 1 OM-07421-01 October 5, 2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMP MODEL SFSC4A 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-07421 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-07421 SAFETY - SECTION A This information applies to the SF Se ries submersible pump indicated on the front cover of this manual. The electrical power used to operate In addition to this manual, see the sepa this pump is high enough to cause inju rate literature covering the control box, ry or death. - Page 7 OM-07421 SF SERIES to the incoming power lines. The pump motor is designed to operate through a Gorman‐Rupp approved control box which provides overload protection and power control; otherwise, the pump The electrical power used to operate warranty will be voided. Make certain this pump is high enough to cause inju...
- Page 8 SF SERIES OM-07421 Do not remove plates, covers, gauges, After the pump has been installed, make pipe plugs, or fittings from an over certain that the pump and all piping or heated pump. Vapor pressure within the pump can cause parts being disen hose connections are secure before op...
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Page 9: Installation - Section B
SF SERIES OM-07421 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 SFSC4A 208/3 4” 10.0 1750 30.0 184.7 SFSC4A 230‐460‐575/3 4” 10.0 1750 27/13.5/10.8 167/83.5/66.8 SFSC4A 208/3 4”... -
Page 11: Electrical Connections
SF SERIES OM-07421 piping installation. TABLE B-2. MOTOR VOLTAGE LIMITS NOMINAL PHASE MINIMUM MAXIMUM VOLTAGE VOLTAGE VOLTAGE No suction piping is required in a standard sub merged operation. Either hose or rigid pipe may be used to make dis charge connections. The discharge line must be independently supported to avoid vibration and strain on the pump. -
Page 12: Control Box Connections
OM-07421 SF SERIES If the test circuit does not close, there is a defect in the cable or motor which must be corrected. Control Box Connections The pump warranty is void if the motor is not operated through a control box ap proved by Gorman‐Rupp. -
Page 13: Liquid Level Devices
SF SERIES OM-07421 Refer to the appropriate wiring diagram accompa Diaphragm Type: two fixed‐position sen nying the control box when making electrical con sors (upper and lower) each contain a dia nections. phragm which flexes with changes in liquid level, thus activating an enclosed miniature switch. -
Page 14: Operation - Section C
SF SERIES OM-07421 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 15 OM-07421 SF SERIES 2.25" DIA. SPHERICAL SOLIDS SFSC4A 230/460/575V 3P PERFORMANCE CURVE PAGE C - 2 OPERATION...
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Page 16: Control Box
SF SERIES OM-07421 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 17: Impeller Rotation
OM-07421 SF SERIES 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 18 SF SERIES OM-07421 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 19: Cold Weather Preservation
OM-07421 SF SERIES 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 20: Troubleshooting - Section D
SF SERIES OM-07421 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 21 OM-07421 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.
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Page 22: Electrical Testing
SF SERIES OM-07421 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 23 OM-07421 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 24: Pump Maintenance And Repair - Section E
SF SERIES OM-07421 PUMP MAINTENANCE AND REPAIR - SECTION E GENERAL INFORMATION Review all SAFETY information in Section A. The maintenance and repair instructions in this manual are keyed to the illustrations, Figures E-1 and E-2, and the corresponding parts lists. Select a suitable location, preferably indoors, to Death or serious personal injury and perform required maintenance. - Page 25 OM-07421 SF SERIES ILLUSTRATION PARTS PAGE Figure E-1. SFSC4A Pump Model Assembly PAGE E - 2 MAINTENANCE AND REPAIR...
- Page 26 SF SERIES OM-07421 SFSC4A Pump Model Assembly Parts List (From S/N 1824201 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 27 OM-07421 SF SERIES ILLUSTRATION 12 11 Figure E-2. Motor Assemblies PAGE E - 4 MAINTENANCE AND REPAIR...
- Page 28 SF SERIES OM-07421 Motor Assemblies Parts List ITEM PART PART NAME NUMBER STATOR/HOUSING SUB-ASSEMBLY: -208‐230V/3P & 460V/3P 47113-113 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-093 --TERMINAL HOUSING STUD MC1042 17000 --ROTATION DECAL 38815-027 -575/3 47113-114 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-094 --TERMINAL HOUSING STUD MC1042 17000 --ROTATION DECAL...
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Page 29: Pump And Seal Disassembly And Reassembly
OM-07421 SF SERIES PUMP AND SEAL DISASSEMBLY AND the pump. Lift the pump or component only as high as necessary and keep per REASSEMBLY sonnel away from suspended objects. Review all SAFETY information in Section A. This pump requires little service due to its rugged, minimum‐maintenance design. -
Page 30: Pump End Disassembly
SF SERIES OM-07421 was faulty or questionable, the cause must be de Pump Casing and Wear Plate Removal termined and corrected before reassembly. All O‐ (Figure E-1) rings must be replaced if disturbed. 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 31 OM-07421 SF SERIES condition which could indicate lower seal failure or Remove the seal sleeve O‐ring (19) 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 32 SF SERIES OM-07421 reassemble the pump end components at this time. flammable. Use them only in a well ven tilated area free from excessive heat, sparks, and flame. Read and follow all precautions printed on solvent contain PUMP END REASSEMBLY ers.
- Page 33 OM-07421 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 SHIM SET SPRING RETAINER IMPELLER Figure E-3.
- Page 34 SF SERIES OM-07421 mediate into the motor housing until fully seated. Position the seal plate on a clean flat surface with Apply “Never‐Seez” or equivalent compound on the impeller side up. the threads of the capscrews (12) and secure the Unpack the seal stationary seat and O‐ring.
- Page 35 OM-07421 SF SERIES Slide the assembled shaft sleeve and rotating por wear plate to the casing with the hardware (16 and tion of the seal and onto the rotor shaft until the pol 17). ished faces contact. Continue to push the sleeve Before installing the pump casing, loosen the jam through the seal until it is fully seated against the nuts (9) and unscrew the capscrews (10) from the...
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Page 36: Motor Disassembly
SF SERIES OM-07421 hardware. If the discharge elbow was removed, re Terminal Housing Assembly Removal place the gasket and secure the discharge elbow (Figure E-1) to the pump casing with the previously remove hardware and reconnect the discharge piping. The terminal housing assembly (15) may be re placed without disassembling the motor or pump Use a suitable lifting device to reposition the pump end components. - Page 37 OM-07421 SF SERIES Stator Removal (Figure E-2) To prevent damage during removal from the shaft, it is recommended that bearings be cleaned and inspected in place. It is strongly recommended that the bearings Stator replacement requires specialized be replaced any time the shaft and rotor equipment, experience with electric mo...
- Page 38 SF SERIES OM-07421 dling the stator, do not set it on the end windings; tilated area; free from excessive heat, lay it on its side. sparks, and flame. Read and follow all precautions printed on solvent contain ers. MOTOR REASSEMBLY After the motor housing is thoroughly cleaned, po...
- Page 39 OM-07421 SF SERIES When the motor housing is sufficiently heated, po NOTE sition the stator so that the leads are in line with the If a hot oil bath is used to heat the bearings, both the oil and the container must be absolutely clean. If terminal housing opening.
- Page 40 SF SERIES OM-07421 tilated area free from excessive heat, vent accidental startup. Obtain the ser sparks, and flame. Read and follow all vices of a qualified electrician to make precautions printed on solvent contain electrical connections. ers. Secure the pump in upright position with the hoist ing bail and terminal housing assembly removed.
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Page 41: Vacuum Testing
OM-07421 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 (18) was removed in order to re... - Page 42 SF SERIES OM-07421 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 43 OM-07421 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 44 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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