OM-06495-01 August 11, 2011 Rev. A 12‐13‐12 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SE SERIES PUMP MODEL SE2D3A 115V 1P THE GORMAN‐RUPP COMPANY MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA www.grpumps.com 2011 The Gorman‐Rupp Company Printed in U.S.A.
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TABLE OF CONTENTS INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAGE I - 1 SAFETY ‐ SECTION A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAGE A - 1 INSTALLATION - SECTION B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PAGE B - 1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TABLE OF CONTENTS (continued) PUMP END DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Strainer And Impeller Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Draining Oil From Seal Cavity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Positioning Pump For Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Impeller Removal . . . .
SE SERIES OM-06495 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. Read this manual carefully to learn how to safely install and operate your pump. Failure to do so could result in personal injury or damage to the pump. This is an SE Series submersible pump. The basic material of construction is cast iron, with stainless steel hardware and fittings.
SE SERIES OM-06495 SAFETY - SECTION A This information applies to SE Series submersible motor driven pumps. Because pump installations are seldom identical, this manual cannot possibly provide detailed instructions and pre cautions for each specific application. Therefore, it is the owner/installer's re sponsibility to ensure that applications not addressed in this manual are per formed only after establishing that nei ther operator safety nor pump integrity are compromised by the installation.
OM-06495 date of manufacture. Failure to follow 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 warranty. After the pump has been installed, make certain that the pump and all piping or hose connections are secure before op eration. Obtain the services of a qualified elec PAGE A - 2 SE SERIES trician to troubleshoot, test and/or ser vice the electrical components of this pump.
OM-06493 SE SERIES INSTALLATION - SECTION B GENERAL INFORMATION Review all SAFETY information in Section A. Since pump installations are seldom identical, this section is intended only to summarize general rec ommendations and practices required to inspect, position, and arrange the pump and piping. If there are any questions concerning your specific instal lation, contact your Gorman‐Rupp distributor or the Gorman‐Rupp Company.
OM-06493 SE SERIES PUMP INSTALLATION Pump Motor Specifications See Tables B‐1 and B‐2 for pump specifications. Table B‐1. Pump Specifications Model Voltage/ Phase Liquid Level Control Pump HP/ KW Motor Speed (RPM) Full Load Amperes SE2D3A 115/1 YES 1 HP 3450 8.6 No Load Amperes Locked Discharge Rotor Size Amperes (NPT) 1.0 50.6 2 INCH w/BARBED ADAPTOR Table B‐2. Additional Specifications Approximate Weight - Lbs. (kg) Pump Model Voltage/ Phase SE2D3A 115/1 Pump 78 (42) 50 Ft.
OM-06493 SE SERIES torque could cause the pump to roll during opera tion. The pump should be independently secured and supported by the lifting device fitted on the pump. If the application involves a lot of debris, protect the pump from excessive wear and clogging by sus pending it in a perforated barrel or culvert pipe. If BY BAIL the bottom is heavily sludge‐covered, rest the pump on support blocks or suspend it from a raft or similar device near the surface of the liquid.
OM-06493 SE SERIES Serious damage to the pump and injury or death to personnel can result from any alteration to the cable. Pump Power Cable Connections Field Wiring Connections (Incoming Power) The pump is designed to operate with a 115 volt, 1 phase, 60 hertz power supply. The voltage avail able at the motor must be within the range indi cated in Table B‐3. To calculate the voltage available at the motor, pro ceed as follows: a. Measure the voltage while the pump is oper ating at full capacity.
OM-06493 Motor Cable Grounding Test The electrical power used to operate this pump is high enough to cause inju ry or death. Make certain that the power cable receptacle is properly grounded after installation. Using a volt‐ohm meter, connect one lead to the motor cable green/yellow ground lead. Connect the other lead to an uninsulated 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.
SE SERIES OM-06495 OPERATION - SECTION C GENERAL INFORMATION operational problems exists. See TROUBLE SHOOTING, Section D. Review all SAFETY information in Section A. This pump is designed to handle most non‐volatile, non‐flammable liquids. Do not attempt to pump any liquids for which your pump is not approved, or which may damage the pump or endan ger personnel as a result of pump fail ure. Consult the factory for specific ap plication data. The pump motor is not designed to be explosion‐proof.
OM-06495 The maximum liquid temperature for this pump is 120 F (49 C). Do not apply it at a higher operating temperature. Overheating can occur if the pump is made to start and stop repeatedly without time to cool off be tween starts, the liquid level is allowed to fall too low to sufficiently cool the motor, or if the circuit breaker or fuse fails to provide adequate protec tion. Operating the pump against a closed dis charge valve for an extended period will also cause the pump to overheat.
SE SERIES OM-06495 Operational Checks DIRECTION OF KICKBACK AT STARTUP Figure C‐1. Checking Pump Rotation Check the pump for proper operation when first started and periodically thereafter to identify minor problems. Check the pump for unusual noises or excessive vibration while it is operating. If noise or vibration is excessive, stop the pump and refer to the trou bleshooting chart for possible causes. Check the pump strainer screen for clogging caused by stones, sticks, or other debris.
OM-06495 SE SERIES LIQUID LEVEL LUBRICATION Overheating will occur if the liquid falls be low the level required to cool the pump mo tor. Do not remove plates, covers, gauges, pipe plugs or fittings from an over heated pump. Vapor pressure within the pump can cause parts being disen gaged to be ejected with great force. Al low the pump to completely cool before servicing. The pump will operate fully or partially submerged.
SE SERIES Adding Oil Refer to Table B‐2 in INSTALLATION for pump oil capacities. The grade of lubricant used is critical to the opera tion of this pump. Use SAE No. 10 non‐detergent oil. Oil must be stored in a clean, tightly closed con tainer in a reasonably dry environment. OPERATION OM-06495 When lubricating the seal cavity, remove the lu brication plug as indicated in Draining Oil. Add the non‐detergent oil through this plug hole.
SE SERIES OM-06495 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. The following precautions should be taken before attempting to service the pump; otherwise, injury or death could result. 1. Familiarize yourself with this man ual. 2. Unplug the power cable from its re ceptacle to ensure that the pump will remain inoperative. 3. Allow the pump to completely cool if overheated. 4. Check the temperature before opening any covers, plates or plugs. 5.
SE SERIES OM-06495 Table 1. Trouble Shooting Chart (cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY (AUTOMATIC MODE) (CONT'D.) Defective liquid level sensing de vice(s) or control panel. Repair or replace defective unit(s). MOTOR RUNS, BUT PUMP FAILS TO DELIVER RATED DISCHARGE Discharge head too high. Reduce head. Low or incorrect voltage. Measure control box voltage, both when pump is running and when shut‐off. Discharge throttling valve partially closed; check valve installed im properly.
SE SERIES OM-06495 Test Equipment A volt/amp/ohmmeter and megohmeter of ade quate range and quality will be required to conduct the following electrical tests. The suggested equip ment indicated below is commercially available, or an equivalent substitute may be used. Equipment Use Ammeter To check AC Voltage and current (amperage) Ohmeter To measure resistance (ohms) to ground e. If no break is found in the power cable, con nect the test leads to the stator leads.
SE SERIES power cable leads and motor leads sepa rately. OM-06495 Zero‐balance the ohmmeter set to read RX100K, and test the capacitor as follows: e. Be certain to reconnect all leads as indi cated in the Wiring Diagram, Figure D‐1 and seal the connections with the male and fe male connector sleeves before reassem bling the pump head to the motor housing. a. See Figure E‐1 in Section E, and disconnect the leads to the capacitor.
OM-06495 SE SERIES 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 MODEL SE2D3A 115V 1P Based on 70 F (21 C) clear water at sea level with minimum suction lift. Since pump installations are seldom identical, your performance may be dif ferent due to such factors as viscosity, specific gravity, elevation, temperature, and impeller trim.
OM-06495 SE SERIES SECTION DRAWING PARTS PAGE Figure E‐1.
OM-06495 SE SERIES PARTS LIST Pump Model SE2D3A 115V 1P (From S/N 1483930 Up) ITEM PART NAME NO.
OM-06495 SE SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Follow the instructions on all tags, label and decals attached to the pump. This pump requires little service due to its rugged, minimum‐maintenance design. However, if it be comes necessary to inspect or replace the wearing parts, follow these instructions which are keyed to the sectional view (see Figure E‐1) and the accom panying parts list.
SE SERIES OM-06495 the problem is mechanical in nature, such as worn pump parts, seal replacement, lubrication, etc., re fer to PUMP END DISASSEMBLY for instructions. If the problem is electrical, complete disassembly may not be required. Refer to Electrical Testing in TROUBLESHOOTING, Section B, and have a qualified electrician check the control box, cable and head. If the problem is determined to be in the motor, proceed with PUMP END DISASSEMBLY, followed by MOTOR DISASSEMBLY.
OM-06495 SE SERIES The stationary seal seat and element will remain in the seal chamber bore when removed. To remove the stationary portion of the seal, place the seal chamber on a clean cloth with the seal bore side down. Use a drift pin or dowel to press on alternate sides of the stationary seat until the stationary ele ment and seat are forced out of the bore. Inspect the dust seal (110) and, if replacement is required, use a drift pin or dowel to press the dust seal out of the seal chamber bore.
SE SERIES OM-06495 can shorten seal life. If necessary, clean the faces with a non‐oil based solvent and a clean, lint‐free tissue. Wipe lightly in a circular pattern to avoid scratching the faces. grooves, and other damage that might cause leak age. If any components are worn, replace the com plete seal; never mix old and new seal parts. Inspect the seal components for wear, scoring, Install the shaft seal as illustrated in Figure E‐2.
OM-06495 Use your thumbs to press the assembly into the bore. Apply equal pressure on opposite sides until the seat contacts the bore shoulder. Remove the tissue and inspect the seal face to ensure that it is clean and dry. If cleaning is necessary, use clean tissue to wipe lightly in a concentric pattern. After cleaning, apply a drop light oil to the seal face. Unpack the seal spring retaining ring, seal spring, bellows and rotating element.
SE SERIES OM-06495 MOTOR DISASSEMBLY Disassembly of the motor is rarely required except to replace the rotor, stator, bearings or motor hous ing. Do not disassemble the motor unless it is nec essary and a clean, well‐equipped shop is avail able. NOTE It is recommended that a pump with a defective mo tor be returned to Gorman‐Rupp, or to one of the Gorman‐Rupp authorized Submersible Repair Centers. The electrical power used to operate this pump is high enough to cause inju ry or death.
OM-06495 SE SERIES leads, lift the mounting plate (24) while guiding the electrical leads through the grommet (27) to ac cess the centrifugal switch contact (90). Remove the hardware (92, 93 and 94) and separate the mo tor lead terminals (91) from the contact. Carefully remove the mounting plate; the bearing shim (23) will become a free part. If required, disen gage the hardware (28, 29 and 30) securing the green ground lead to the mounting plate.
SE SERIES OM-06495 faced mallet to rap alternate edges of the motor housing, and “walk” the stator out. Continue this process until the stator clears the motor housing. Use caution not to damage the stator end turns during removal from the motor hous ing. Most cleaning solvents are toxic and 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 ers.
OM-06495 stator to slide into the motor housing before the housing cools. Heat the motor housing with a torch to expand it enough for the stator to be installed; when heating the motor housing, make sure that the stator is clear to avoid a fire hazard or damage to the wind ings. Apply heat evenly to the outside of the hous ing; excessive heat is not required. When the motor housing is sufficiently heated, po sition the stator so that the leads are in line with the terminal opening.
SE SERIES Rotor And Shaft Installation With the stator installed and the motor housing up right, carefully ease the rotor/shaft (95) and as sembled bearings through the stator so that the lower bearing (18) seats squarely in the bore of the lower mounting plate (98). Wrap the impeller end of the shaft in a clean cloth to protect it during installation of the head and power cable. Head And Power Cable Installation The electrical power used to operate this pump is high enough to cause inju ry or death.
OM-06495 SE SERIES NOTE Check the wiring diagram in Troubleshooting, Section D to make sure that all electrical leads are correctly installed. Position the head (58) on the motor housing (97) and secure with the hardware (81 and 82). Secure the cable band (61) to the cable with the hardware (62 and 63). Secure the cable chain (64) and carrying handle (57) to the head with the hard ware (59 and 60). See PUMP END REASSEMBLY to reassemble the pump end components.
SE SERIES OM-06495 Table E‐1. Vacuum/Pressure Test Data Pump Model S2D3A Motor Cavity Duration Seal Cavity Duration (Minutes) Pressure (Minutes) Vacuum (PSI) (In. Hg.) 30 LUBRICATION Seal Cavity Check the oil level in the seal cavity before initial startup, after the first two weeks of operation, and every month thereafter. Check the oil level only when the pump is cool.
For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 International: +1-419-755-1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519-631-2870 THE GORMAN‐RUPP COMPANY MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST.
