Related Manuals for GORMAN-RUPP PUMPS SFS4A
Summary of Contents for GORMAN-RUPP PUMPS SFS4A
- Page 1 OM-06791-01 September 25, 2015 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMP MODEL SFS4A GORMAN‐RUPP PUMPS www.grpumps.com 2015 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-06791 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-06791 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-06791 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-06791 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-06791 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 SFS4A 208/3 4” 10.0 1750 30.0 184.7 SFS4A 208/3 4” 12.5 1750 36.6 184.7 SFS4A 230‐460‐575/3... -
Page 11: Electrical Connections
SF SERIES OM-06791 Either hose or rigid pipe may be used to make dis TABLE B-2. MOTOR VOLTAGE LIMITS charge connections. The discharge line must be NOMINAL PHASE MINIMUM MAXIMUM independently supported to avoid vibration and VOLTAGE VOLTAGE VOLTAGE strain on the pump. For maximum pumping capac ity, keep the line as short and straight as possible. -
Page 12: Control Box Connections
OM-06791 SF SERIES lead (s). Connect the second test lead to an unin sulated point on the pump body. The test circuit should close. 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... -
Page 13: Liquid Level Devices
SF SERIES OM-06791 Liquid Level Devices phragm which flexes with changes in liquid level, thus activating an enclosed miniature switch. Optional controls available from Gorman‐Rupp may provide a means to automatically regulate the Bulb (Float) Type: a bulb raises or lowers liquid level. -
Page 14: Operation - Section C
SF SERIES OM-06791 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-06791 SF SERIES SFS4A 230/460/575V 3P PERFORMANCE CURVE PAGE C - 2 OPERATION...
- Page 16 SF SERIES OM-06791 SFS4A 208V 3P PERFORMANCE CURVE OPERATION PAGE C - 3...
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Page 17: Control Box
OM-06791 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 18: Impeller Rotation
SF SERIES OM-06791 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 19 OM-06791 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 20: Cold Weather Preservation
SF SERIES OM-06791 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 21: Troubleshooting - Section D
SF SERIES OM-06791 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 22 OM-06791 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 23 SF SERIES OM-06791 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 24 OM-06791 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 25: Pump Maintenance And Repair - Section E
SF SERIES OM-06791 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 26 OM-06791 SF SERIES ILLUSTRATION PARTS PAGE Figure E-1. SFS4A Pump Model Assembly PAGE E - 2 MAINTENANCE AND REPAIR...
- Page 27 SF SERIES OM-06791 SFS4A Pump Model Assembly Parts List (From S/N 1650552 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 28 OM-06791 SF SERIES ILLUSTRATION Figure E-2. Motor Assemblies PAGE E - 4 MAINTENANCE AND REPAIR...
- Page 29 SF SERIES OM-06791 Motor Assemblies Parts List ITEM PART PART NAME NUMBER MOTOR SUBASSEMBLY -208‐230/3 47111-835 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-093 --TERMINAL HOUSING STUD MC1042 17000 --VOLTAGE TAG 38816-259 --ROTATION DECAL 38815-027 -460/3 47111-834 --MOTOR HOUSING 38311-067 10000 --STATOR 47113-093 --TERMINAL HOUSING STUD MC1042 17000...
- Page 30 OM-06791 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 31 SF SERIES OM-06791 was faulty or questionable, the cause must be de Inspect the wear plate (16) for excessive wear or termined and corrected before reassembly. All O‐ scoring. If replacement is required, invert the pump rings must be replaced if disturbed. casing so the suction port is facing up and remove the hardware (3 and 4).
- Page 32 OM-06791 SF SERIES Remove the impeller adjusting shims (11). Tie and Lubricate the seal area of the rotor shaft (3) and tag the shims for ease of reassembly. work oil up under the bellows. Remove the hard ware (11 and 12) securing the intermediate (8) to If no further disassembly is required, proceed to the motor subassembly (1).
- Page 33 SF SERIES OM-06791 Thoroughly clean all reuseable parts with a soft Neither of the shaft seal assemblies should be re cloth soaked in cleaning solvent. Remove all O‐ used because wear patterns on the finished faces rings and clean the sealing surfaces. cannot be realigned during reassembly.
- Page 34 OM-06791 SF SERIES Upper Seal Installation Subassemble the O‐ring onto the stationary seat. Position this subassembly in the intermediate bore (Figures E-2 and E-3) with the sealing face up and cover the seal face with a clean tissue. Use your thumbs to press the Do not unwrap a new seal assembly until time of assembly into the bore.
- Page 35 SF SERIES OM-06791 Position the stationary seat and O‐ring in the seal Install the seal spring over the bellows retainer and plate bore with the sealing face up and cover the install the spring retainer (9). See Figure E-3 for seal face with a clean tissue.
- Page 36 OM-06791 SF SERIES ure E-1 and slide it over the seal plate shoulder MOTOR DISASSEMBLY until fully seated. Apply “Never‐Seez” or equivalent compound to the capscrews (23) and use the Disassembly of the motor is rarely required except to replace the motor rotor, stator or bearings. Do hardware (6 and 23) to draw the pump casing over not disassemble the motor unless it is necessary the shoulder of the seal plate until the wear plate...
- Page 37 SF SERIES OM-06791 housing assembly to the motor assembly (1). the shaft, it is recommended that bearings Carefully pull the terminal housing assembly out of be cleaned and inspected in place. It is the motor housing until the power and motor cable strongly recommended that the bearings connections with the stator leads can be ac...
- Page 38 OM-06791 SF SERIES stator replacement be performed only by deviation can cause damage or operating the factory or a Gorman‐Rupp Authorized problems. Replace the stator, or return it to Submersible Repair Center, or that the mo one of The Gorman‐Rupp Authorized Sub tor housing and stator be replaced as an mersible Repair Centers or The Gorman‐...
- Page 39 SF SERIES OM-06791 that no damage has occurred during transit or han Cover the motor housing with a clean, lint‐free dling. cloth while the rotor is being assembled. NOTE Bearing and Rotor Shaft Installation Remove any drops of varnish from the ends of the (Figure E-2) stator before installation to ensure proper stack‐up height when assembled.
- Page 40 OM-06791 SF SERIES seated against the shaft shoulders. This should be Slide the assembled shaft and bearings into the in done quickly, in one continuous motion, to prevent termediate until the lower bearing seats squarely in the bearings from cooling and sticking on the shaft. the intermediate bore.
- Page 41 SF SERIES OM-06791 the terminal housing is fully seated in the motor housing. After installing the motor housing, perform the vac uum check described below to ensure the water‐ Most cleaning solvents are toxic and tight integrity of the pump. flammable.
- Page 42 OM-06791 SF SERIES Vacuum Pump Quick Disconnect Manometer Fitting Motor Vacuum S.O. Valve Test Plate Full-Closing Ball-Type Venturi Shutoff Valve Submersible Pump Seal Cavity Quick Disconnect Fill/Drain Fitting Air Compressor Figure E-4. Vacuum Test System Seal Cavity Testing 10 In. Hg. Lower vacuum can cause sepa ration of the seal faces and/or unseating of If the water‐tight integrity of the motor was not dis...
- Page 43 SF SERIES OM-06791 Install full‐closing ball‐type shutoff valves with Figure E-4 shows a simple schematic for setting up either a vacuum pump or a venturi/compressor quick‐disconnect fittings in the pipe plug holes in test system. both the motor and seal cavities. Test the motor cavity for its full duration first, then use the shutoff valve to maintain the motor cavity vacuum while Table E-1 shows the vacuum to be drawn on each...
- Page 44 OM-06791 SF SERIES Table E-2. Pump Oil Specifications Specifications: Type ......Premium high viscosity index, anti‐wear hydraulic oil Viscosity (SSU @ 104_F [40_C]) .
- Page 45 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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