GORMAN-RUPP PUMPS SE Series Installation, Operation, And Maintenance Manual With Parts List
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- Page 1 OM−06493−01 August 11, 2011 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SE SERIES PUMP MODEL SE2C3A 115V 1P THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. www.grpumps.com 2011 The Gorman-Rupp Company...
- 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 −... - Page 4 TABLE OF CONTENTS (continued) PUMP AND SEAL DISASSEMBLY AND REASSEMBLY ......PAGE E − 4 PUMP END DISASSEMBLY .
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Page 5: Introduction
The following are used to alert maintenance per- This is an SE Series submersible pump. The basic sonnel to procedures which require special atten- material of construction is cast iron, with stainless tion, to those which could damage equipment, and steel hardware and fittings. -
Page 6: Safety - Section A
SE SERIES OM−06493 SAFETY − SECTION A This information applies to SE Series this pump is high enough to cause inju- submersible motor driven pumps. ry or death. Make certain that the power cable receptacle is properly grounded Because pump installations are seldom before installation. - Page 7 OM−06493 SE SERIES date of manufacture. Failure to follow trician to troubleshoot, test and/or ser- applicable specifications, or substitu- vice the electrical components of this tion of electrical parts not supplied or pump. approved by the manufacturer, can re- sult in severe injury or death and void warranty.
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Page 8: Installation − Section Bpage B
OM−06493 SE SERIES INSTALLATION − SECTION B GENERAL INFORMATION e. Carefully read all tags, decals, and markings on the pump, and perform all duties indicated. Review all SAFETY information in Section A. f. Check for oil leaks. If there is any indication of... -
Page 9: Pump Installation
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/ Liquid Pump Motor Full Locked Discharge Phase Level Speed Load Load Rotor Size Control (RPM) Amperes Amperes Amperes... -
Page 10: Piping
OM−06493 SE SERIES torque could cause the pump to roll during opera- the bottom is heavily sludge-covered, rest the tion. pump on support blocks or suspend it from a raft or similar device near the surface of the liquid. See The pump should be independently secured and Figure B-1 for typical pump installations. -
Page 11: Pump Power Cable Connections
OM−06493 SE SERIES Serious damage to the pump and injury Pump Power Cable Connections or death to personnel can result from any alteration to the cable. Field Wiring Connections (Incoming Power) The electrical power used to operate The pump is designed to operate with a 115 volt, this pump is high enough to cause inju- 1 phase, 60 hertz power supply. -
Page 12: Motor Cable Grounding Test
OM−06493 SE SERIES Motor Cable Grounding Test tering. When liquid level reaches the on-point (up- per) device, the pump will switch on and continue to run until liquid level falls below the off-point (low- er) device. NOTE The electrical power used to operate... -
Page 13: Operation − Section C
SE SERIES OM−06493 OPERATION − SECTION C GENERAL INFORMATION operational problems exists. See TROUBLE- SHOOTING, Section D. Review all SAFETY information in Section A. The pump motor is not designed to be explosion-proof. Do not operate in an This pump is designed to handle most explosive atmosphere. -
Page 14: Impeller Rotation
OM−06493 SE SERIES The maximum liquid temperature for this pump is 4. Check the temperature before ser- 120_F (490_C). Do not apply it at a higher operat- vicing. ing temperature. 5. Vent the pump slowly and cau- tiously Overheating can occur if the pump is made to start 6. -
Page 15: Starting, Stopping, And Operational Checks
SE SERIES OM−06493 Operational Checks Check the pump for proper operation when first started and periodically thereafter to identify minor problems. DIRECTION OF KICKBACK AT STARTUP 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. -
Page 16: Liquid Level
OM−06493 SE SERIES LIQUID LEVEL LUBRICATION Do not remove plates, covers, gauges, Overheating will occur if the liquid falls be- pipe plugs or fittings from an over- low the level required to cool the pump mo- heated pump. Vapor pressure within the tor. -
Page 17: Adding Oil
SE SERIES OM−06493 Adding Oil When lubricating the seal cavity, remove the lu- brication plug as indicated in Draining Oil. Add the Refer to Table B-2 in INSTALLATION for pump oil non-detergent oil through this plug hole. With the capacities. -
Page 18: Troubleshooting − Section D
SE SERIES OM−06493 TROUBLESHOOTING − SECTION D Review all SAFETY information in Section A. 5. Close the discharge valve (if used). The following precautions should be taken before attempting to service the The electrical power used to operate pump; otherwise, injury or death could this pump is high enough to cause inju- result. -
Page 19: Electrical Testing
SE SERIES OM−06493 Table 1. Trouble Shooting Chart (cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY (AUTOMATIC MODE) Defective liquid level sensing de- Repair or replace defective unit(s). vice(s) or control panel. (CONT’D.) MOTOR RUNS, BUT Discharge head too high. Reduce head. -
Page 20: Test Equipment
SE SERIES OM−06493 Test Equipment e. If no break is found in the power cable, con- nect the test leads to the stator leads. If the test reading indicates an open or broken cir- A volt/amp/ohmmeter and megohmeter of ade- cuit, there is an open circuit in the motor. -
Page 21: Capacitor
SE SERIES OM−06493 power cable leads and motor leads sepa- Zero-balance the ohmmeter set to read RX100K, rately. and test the capacitor as follows: e. Be certain to reconnect all leads as indi- a. See Figure E-1 in Section E, and disconnect cated in the Wiring Diagram, Figure D-1 and the leads to the capacitor. -
Page 22: Pump Maintenance And Repair - Section E
OM−06493 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 SE2C3A 115V 1P Based on 70_F (21_C) clear water at sea level with minimum suction lift. - Page 23 OM−06493 SE SERIES SECTION DRAWING PARTS PAGE Figure E-1. Pump Model SE2C3A 115V 1P PAGE E − 2 MAINTENANCE & REPAIR...
- Page 24 OM−06493 SE SERIES PARTS LIST Pump Model SE2C3A 115V 1P (From S/N 1483930 Up) ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE VOLUTE CASING 26815−033 −−− PRESSURE TEST PLUG 26815−406 −−− MALE CONN SLEEVE 26815−927...
- Page 25 OM−06493 SE SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY The electrical power used to operate Review all SAFETY information in Section A. this pump is high enough to cause inju- ry or death. Make certain that the plug Follow the instructions on all tags, label and decals on the pump power cable is discon- attached to the pump.
- Page 26 SE SERIES OM−06493 the problem is mechanical in nature, such as worn within a hot pump could cause the oil to pump parts, seal replacement, lubrication, etc., re- spray out when the plug is removed. Re- fer to PUMP END DISASSEMBLY for instructions.
- Page 27 OM−06493 SE SERIES pump casing on a clean cloth with the seal bore be determined and corrected before reassembly. side down. Use a drift pin or dowel to press on al- Replace any parts as required. ternate sides of the stationary seat until the station- Thoroughly clean all reuseable parts with a soft ary element and seat are forced out of the bore.
- Page 28 SE SERIES OM−06493 STATIONARY ROTOR SEAT SHAFT MOTOR STATIONARY HOUSING ELEMENT ROTATING ELEMENT BELLOWS AND CAGE ASSY SPRING ROTATING STATIONARY ELEMENT SEAT PUMP CASING STATIONARY ELEMENT DUST SEAL SHAFT SLEEVE IMPELLER KEY IMPELLER Figure E-2. Seal Assembly Unpack the stationary seat and stationary element.
- Page 29 OM−06493 SE SERIES spring cannot be compressed and held in place Install the impeller hardware (88, 89 and 90). until the pump casing is installed. Wedge a block of wood between the vanes of the impeller to prevent shaft rotation, and tighten the Unpack the lower stationary seat and element.
- Page 30 SE SERIES OM−06493 Centers. Remove the assembled head and power cable. Remove the head gasket (68). To disconnect the power cable from the head, re- move the hardware (38 and 39) securing the cable lock (36) and handle (42) to the head. Remove the...
- Page 31 OM−06493 SE SERIES onto the rotor shaft and cannot be removed until the Rotate the bearings by hand to check for rough- rotor is removed. ness or binding. If rotation is rough, replace the bearings. The bearing tolerances provide a tight press fit...
- Page 32 SE SERIES OM−06493 dling the stator, do not set it on the end windings; is recommended that these steps be performed by lay it on its side. two people to promote efficient installation of the stator. After the motor housing is thoroughly cleaned, po- sition it on a flat surface with the discharge end Do not attempt to rewind the stator.
- Page 33 OM−06493 SE SERIES After the stator is fully and squarely seated on the Heat the bearings (70 and 78) to a uniform tem- motor housing shoulder, remove the expandable perature no higher than 250_F (120_C). Slide the disc tool. Untape or remove the protective sleeve bearings onto the shaft, one at a time, until they are from the stator leads.
- Page 34 SE SERIES OM−06493 Connect the terminal of the green ground wire to this pump is high enough to cause inju- the mounting plate and secure with the hardware ry or death. Make certain that the plug (23, 24 and 25). Make certain the terminal makes on the pump power cable is discon- good contact with the plate.
- Page 35 OM−06493 SE SERIES vacuum and pressure tested any time the seal and/ tem may be used. If the compressor/venturi cannot or motor are serviced. The seal cavity must be draw the vacuum level shown in Table E-1, draw pressurized to prevent separation of the seal faces...
- Page 36 SE SERIES OM−06493 Table E-1. Vacuum/Pressure Test Data Pump Duration Seal Cavity Duration Motor Cavity Model (Minutes) Pressure (Minutes) Vacuum (PSI) (In. Hg.) S2C3A LUBRICATION To check the seal cavity oil, lay the pump on its side and remove the seal cavity drain/fill plug (82) in the motor housing.
- Page 37 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 D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...
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