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- Page 1 OM‐06259‐02 June 16, 2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMPS MODELS S8B1-E100 460/3 S8B1-E100 575/3 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 Assemblies ............PAGE E - 3 Terminal Housing and Cable Assemblies .
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Page 5: Introduction
S SERIES PUMPS OM-06259 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
OM-06259 S SERIES PUMPS SAFETY - SECTION A This information applies to the S Series submersible motor driven pumps indi cated on the front cover of this manual. Before connecting any cable to the con Because pump installations are seldom trol box, be sure to ground the control identical, this manual cannot possibly box. - Page 7 S SERIES PUMPS OM-06259 position and locked out, or that the pow trician to troubleshoot, test and/or ser er supply to the control box has been vice the electrical components of this otherwise cut off and locked out, before pump. attempting to open or service the pump assembly.
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Page 8: Installation - Section B
OM-06259 S SERIES PUMPS INSTALLATION - SECTION B GENERAL INFORMATION ratings on the control box and incoming pow Review all SAFETY information in Section A. e. Carefully read all tags, decals, and markings Since pump installations are seldom identical, this on the pump, and perform all duties indicated. -
Page 9: Pump Motor Specifications
OM-06259 S SERIES PUMPS equipment as outlined in the National to prevent liquid from wicking through the Electric Code. Follow all safety require cable and into the motor. ments. Failure to observe these require NOTE ments could result in injury or death to Refer to the performance curve in Maintenance personnel. -
Page 10: Positioning The Pump
OM-06259 S SERIES PUMPS Positioning the Pump The pump will operate if positioned on its side, but this is not recommended because the motor NOTE torque could cause the pump to roll during opera Before installing and operating the pump, check tion. -
Page 11: Electrical Connections
OM-06259 S SERIES PUMPS ting near the pump. The discharge line must be in sible to the operator, and located close enough to dependently supported to avoid strain and vibra the pump to avoid excessive voltage drop due to tion on the pump. cable length (see Pump Power Cable Connec... -
Page 12: Grounding Methods
OM-06259 S SERIES PUMPS be of the proper size and type to ensure an ade Table B‐3. Pump Voltage Requirements quate voltage supply to the pump. Voltage avail MAXIMUM NOMINAL MINIMUM PHASE VOLTAGE able at the motor must be within the range indi VOLTAGE VOLTAGE cated in Table B‐3. -
Page 13: Pump Power Cable Connections
OM-06259 S SERIES PUMPS c. Buried electrode: If rock or stone prevents this pump is high enough to cause inju embedding the full 8 foot (2,4 m) length of the ry or death. Obtain the services of a ground rod, bury it horizontally in a trench. qualified electrician to make all electri... -
Page 14: Control Box Specifications
OM-06259 S SERIES PUMPS Connect the pump power cable to the control box NOTE as shown in the wiring diagrams in the control box For reference, internal motor wiring connections manual. Use conduit or cable clamps to secure the are shown in Maintenance and Repair - Section power cable to the control box. -
Page 15: Wiring Diagrams
OM-06259 S SERIES PUMPS PUMP PUMP CONTROL BOX CONTROL BOX TO LEVEL CONTROL CIRCUIT TO LEVEL CONTROL CIRCUIT IN MAIN CONTROL BOX IN MAIN CONTROL BOX LIQUID LEVEL LIQUID LEVEL RANGE RANGE DEWATERING DEWATERING ON (FILLING) ON (FILLING) BULB (FLOAT TYPE) DIAPHRAGM TYPE Figure B-4. -
Page 16: Operation - Section C
S SERIES PUMPS OM-06259 OPERATION - SECTION C GENERAL INFORMATION Review all SAFETY information in Section A. The pump motor and control box are not designed to be explosion‐proof. Do not operate in an explosive atmosphere. Any control box used to operate the This pump is designed to handle most pump must be approved by the Gor... -
Page 17: Impeller Rotation
OM-06259 S SERIES PUMPS or thermal protection, or if the pump is operated 4. Check the temperature before ser against a closed discharge valve for an extended vicing. period of time. 5. Vent the pump slowly and cau tiously 6. Refer to instructions in this manual before restarting the pump. -
Page 18: Starting, Stopping And Operational Checks
S SERIES PUMPS OM-06259 this pump is high enough to cause inju ry or death. Make certain that incoming power is off and locked out before inter changing motor leads. Never start the pump more than 6 times per hour. If the pump motor does not cool be tween starts, it will over‐heat, resulting in damage to the motor windings. -
Page 19: Cold Weather Preservation
OM-06259 S SERIES PUMPS COLD WEATHER PRESERVATION To avoid serious damage to the pump, check for unusual noises or excessive vi Do not attempt to thaw the pump by us bration while the pump is running. If noise ing a torch or other source of flame. This or vibration is excessive, stop operation could damage gaskets, O‐rings or heat and refer to the troubleshooting chart in the... -
Page 20: Draining Oil
S SERIES PUMPS OM-06259 month thereafter. Check the motor lubrication level Adding Oil any time the pressure relief valve is activated, and Refer to Table B-2 in INSTALLATION for oil ca replace the oil annually. pacities and positions for filling the seal cavity in your pump. - Page 21 OM-06259 S SERIES PUMPS Table C-1. Pump Oil Specifications Specifications: Type ......Premium high viscosity index, anti‐wear hydraulic oil Viscosity @ 100_F (38_C) .
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Page 22: Troubleshooting - Section D
OM-06259 S SERIES PUMPS 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 S SERIES PUMPS OM-06259 TROUBLESHOOTING CHART (cont'd) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Discharge head too high. Reduce discharge head or install MOTOR RUNS, BUT PUMP FAILS staging adaptor and additional TO DELIVER pump. RATED DIS Low or incorrect voltage. Measure control box voltage, both CHARGE.
- Page 24 OM-06259 S SERIES PUMPS 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 S SERIES PUMPS OM-06259 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. b. Readings will indicate resistance values in both the power cable and motor windings.If resistance reads infinity (1), insulation is c.
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Page 26: Pump Maintenance And Repair - Section E
MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODELS S8B1-E100 460/3 AND S8B1-E100 575/3 Based on 70_F (21_C) clear water at sea level Contact the Gorman‐Rupp Company to verify per... - Page 27 S SERIES PUMPS OM-06259 SECTION DRAWING PARTS PAGE Figure E-1. S8B1-E100 460/3 And S8B1-E100 575/3 Pump Assemblies PAGE E - 2 MAINTENANCE AND REPAIR...
- Page 28 OM-06259 S SERIES PUMPS S8B1-E100 460/3 And S8B1-E100 575/3 Pump Assemblies Parts List (From S/N 1771612 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.
- Page 29 S SERIES PUMPS OM-06259 SECTION DRAWING Figure E-2. Terminal Housing And Cable Assembly PAGE E - 4 MAINTENANCE AND REPAIR...
- Page 30 OM-06259 S SERIES PUMPS Terminal Housing And Cable Assembly Parts List ITEM PART PART NAME NUMBER TERMINAL POST 38724-009 14100 TERMINAL COLLAR 10052A 14100 HEAT‐SHRINK TUBE 31417-030 19530 T‐TYPE LOCKWASHER AK06 15991 RD HD MACH SCREW X0603 14990 TERMINAL: ....-460/3 .
- Page 31 S SERIES PUMPS OM-06259 used, disconnect the piping before attempting to PUMP AND SEAL DISASSEMBLY AND move the pump. REASSEMBLY Review all SAFETY information in Section A. Do not attempt to lift the pump by the motor power cable or the piping. Attach proper lifting equipment to the lifting Do not attempt to service the pump as...
- Page 32 OM-06259 S SERIES PUMPS disturbed. Repair gaskets and O‐rings are listed in Positioning Pump For Disassembly the Parts List. (Figure E-1) PUMP END DISASSEMBLY It is recommended that the pump be positioned upside‐down during disassembly. To hold the pump in the inverted position, rest the pump se Strainer Removal curely on blocks.
- Page 33 S SERIES PUMPS OM-06259 press fit into the seal plate. To remove the wear NOTE ring, drill two small holes horizontally through the The rotor shaft is tapered and forms a friction fit with ring 180_ apart. Use a small chisel or mechanical the impeller.
- Page 34 OM-06259 S SERIES PUMPS PUMP END REASSEMBLY flammable. Use them only in a well ven tilated area free from excessive heat, sparks, and flame. Read and follow all NOTE precautions printed on solvent contain Reuse of old O‐rings, gaskets, or shaft seal parts will result in premature leakage or reduced pump ers.
- Page 35 S SERIES PUMPS OM-06259 ROTOR O‐RING SHAFT STATIONARY ROTATING SEAL SEAT ELEMENT BELLOWS SPRING RETAINER SPRING RETAINER SEAL RETAINING RING STATIONARY STATIONARY SEAL SEAT ELEMENT O‐RINGS ROTATING ELEMENT SEAL PLATE SPRING BELLOWS RETAINER SPRING IMPELLER RETAINER Figure E-3. Upper And Lower Seal Assemblies Carefully remove the material stuffed into the seat bore (or unwrap the shaft).
- Page 36 OM-06259 S SERIES PUMPS upside down, place a small amount of grease at Position this subassembly in the seal plate bore equal spaces on the back of the element and posi with the sealing face up, and cover it with a clean tion it in the bellows retainer.
- Page 37 S SERIES PUMPS OM-06259 cants of any kind to the impeller bore or the tapered and nuts (59); torque the nuts to 120 ft. lbs. (1440 section of the shaft. Install the impeller (2) and im in. lbs. or 16,6 m. kg.). peller washer (62) on the rotor shaft (39).
- Page 38 OM-06259 S SERIES PUMPS the cable jacket. If such happens, additional oil attempting to open or service the pump and effort will be required to remove the bushing. assembly. Tag electrical circuits to pre vent accidental start‐up. NOTE If the rubber bushing cannot be removed from the Carefully inspect any O‐rings or gaskets before re...
- Page 39 S SERIES PUMPS OM-06259 Intermediate And Motor Housing Disassembly Clean the bearings thoroughly in fresh cleaning solvent. Dry the bearings with filtered compressed (Figure E-1) air and coat with light oil. See PUMP END DISASSEMBLY, and remove all pump end and seal components. With the pump end disassembled and the motor Most cleaning solvents are toxic and cavity drained of oil, secure the pump in an in...
- Page 40 OM-06259 S SERIES PUMPS The motor housing (18) must be heated with a pound on the threads. Position the valve out of the torch to expand it enough for the stator to be re way, next to the terminal housing (16, Figure E-2) moved.
- Page 41 S SERIES PUMPS OM-06259 Thoroughly clean the inside of the motor housing ings. Apply heat evenly to the outside of the hous with fresh solvent. The interior must be dry and free ing; excessive heat is not required. of dirt or lint. When the motor housing is sufficiently heated, po...
- Page 42 OM-06259 S SERIES PUMPS Heat the upper bearing (31) to a uniform tempera NOTE ture no higher than 250_F (120_C). Slide the bear Position the cap on the bearing, so that when in ing onto the shaft until it is fully seated against the stalled on the shaft, the bearing will be positioned shaft shoulder.
- Page 43 S SERIES PUMPS OM-06259 diate (48) so that the lower bearing (31) seats Refer to PUMP END REASSEMBLY, and reas squarely in the intermediate bearing bore. semble the pump end components. Terminal Housing And Power Cable Secure the gasket (14) to the cap with a light coat Reassembly And Installation ing of gasket adhesive.
- Page 44 OM-06259 S SERIES PUMPS Sealing Terminal Housing Connections grease coated. With Silicone Adhesive (Figure E-2) Assemble the terminal posts (1), dyna seal wash ers (20), and terminal collars (2) to the terminal plate as shown in Figure E-2. NOTE Both the power cable and motor conductor leads Do not attempt to operate this pump un...
- Page 45 S SERIES PUMPS OM-06259 minal posts as shown in Figure E-5. Remove any housing. Otherwise, moisture entering adhesive from gasketed surfaces. the terminal housing could cause a short circuit, resulting in pump damage and possible serious injury or death to personnel.
- Page 46 OM-06259 S SERIES PUMPS (Figure E-1) avoid ingestion or prolonged contact with the skin. Read and follow all warn Coat the threads of the motor housing studs (37) ings and recommendations accompa with `Never‐Seez' or equivalent compound, and nying the potting kit. secure the terminal housing assembly to the motor housing with the hardware (38);...
- Page 47 S SERIES PUMPS OM-06259 It is recommended that a vacuum pump be used to both the motor and seal cavities. Test the motor draw the vacuum on the cavities. If a vacuum pump cavity for its full duration first, then use the shutoff is not available, a compressor/venturi system may valve to maintain the motor cavity vacuum while be used.
- Page 48 OM-06259 S SERIES PUMPS To fill the seal cavity, remove the pipe plug (11) and cating a dry (overhauled) pump. See Table E-3 for add the recommended grade of submersible lubricant specifications. pump oil. Apply `Loctite Pipe Sealant With Teflon The grade of lubricant used is critical to the opera...
- Page 49 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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