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GORMAN-RUPP PUMPS S2D3A Installation, Operation And Maintenance Manual

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ACDEGH
OM-01690---04
October 28, 2003
Rev. A 11-19-03
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
S SERIES PUMP
MODEL
S2D3A 115V 1P
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
D
Printed in U.S.A.
www.gormanrupp.com
Copyright by the Gorman-Rupp Company
E

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  • Page 1 Rev. A 11-19-03 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST S SERIES PUMP MODEL S2D3A 115V 1P THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. www.gormanrupp.com Copyright by the Gorman-Rupp Company...

  • Page 2: Table Of Contents

    PAGE E --- 1 PUMP MODEL S2D3A 115V 1P PARTS LIST ........
  • Page 3 TABLE OF CONTENTS (continued) PUMP END DISASSEMBLY ..........PAGE E --- 4 Strainer And Impeller Cover Removal .

  • Page 4: Introduction

    S SERIES PUMP OM -- 01690 INTRODUCTION Thank You for purchasing a Gorman-Rupp pump. Because pump installations are seldom identical, this manual cannot possibly provide detailed in- Read this manual carefully to learn how to safely structions and precautions for every aspect of install and operate your pump.
  • Page 5 S SERIES PUMP OM -- 01690 SAFETY --- SECTION A This information applies to the S 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 6 OM -- 01690 S SERIES PUMP 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.

  • Page 7: Installation

    OM -- 01690 S SERIES PUMP 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 an oil leak, see LUBRICATION at the end of Since pump installations are seldom identical, this this manual.

  • Page 8: Pump Installation

    Phase Level Speed Load Load Rotor Size Control (RPM) Amperes Amperes Amperes (NPT) 2 INCH S2D3A 115/1 1 HP 3450 50.6 w/BARBED ADAPTOR Table B-2. Additional Specifications Approximate Oil Capacity Seal Cavity Weight -- Lbs. (kg) Ounces (Liters) Filling Pump...

  • Page 9: Piping

    OM -- 01690 S SERIES PUMP 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 10: Pump Power Cable Connections

    Below) Max. Load Model Phase Size (mm) (mm) Type (305 m) S2D3A 115/1 0.43 (11) 0.06 (1,5) 4.49 7.72 When necessary to service the pump, make cer- tain the power cable is unplugged from the recep- tacle. PAGE B -- 4...
  • Page 11 OM -- 01690 S SERIES PUMP 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 Distilled water or uncontaminated rain water may this pump is high enough to cause inju-...

  • Page 12: Operation

    S SERIES PUMP OM -- 01690 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 13: Impeller Rotation

    OM -- 01690 S SERIES PUMP 4. Check the temperature before ser- The maximum liquid temperature for this pump is 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 14: Starting, Stopping, And Operational Checks

    S SERIES PUMP OM -- 01690 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 15: Liquid Level

    OM -- 01690 S SERIES PUMP 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 16: Adding Oil

    S SERIES PUMP OM -- 01690 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 17: Troubleshooting

    S SERIES PUMP OM -- 01690 TROUBLESHOOTING --- SECTION D 5. Close the discharge valve (if Review all SAFETY information in Section A. used). The following precautions should be taken before attempting to service the The electrical power used to operate pump;...

  • Page 18: Electrical Testing

    S SERIES PUMP OM -- 01690 Table 1. Trouble Shooting Chart (cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY (AUTOMATIC MODE) Defective liquid level sensing de- Repair or replace defective unit(s). (CONT’D.) vice(s) or control panel. MOTOR RUNS, BUT Discharge head too high. Reduce head.

  • Page 19: Test Equipment

    S SERIES PUMP OM -- 01690 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 20: Capacitor

    S SERIES PUMP OM -- 01690 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 21 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 S2D3A 115V 1P Based on 70_F (21_C) clear water at sea level with minimum suction lift. Since pump installations...
  • Page 22 OM -- 01690 S SERIES PUMP SECTION DRAWING Figure E-1. Pump Model S2D3A 115V 1P PAGE E -- 2 MAINTENANCE & REPAIR...
  • Page 23 OM -- 01690 S SERIES PUMP PARTS LIST Pump Model S2D3A 115V 1P (From S/N 1223028 up) ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE PUMP CASING 26815--- 031 --- --- --- HANDLE 26815--- 080...

  • Page 24: Pump And Seal Disassembly And Reassembly

    OM -- 01690 S SERIES PUMP PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. The electrical power used to operate this pump is high enough to cause inju- Follow the instructions on all tags, label and decals ry or death.

  • Page 25: Strainer And Impeller Cover Removal

    S SERIES PUMP OM -- 01690 within a hot pump could cause the oil to the problem is mechanical in nature, such as worn pump parts, seal replacement, lubrication, etc., re- spray out when the plug is removed. Re- fer to PUMP END DISASSEMBLY for instructions. move the plug slowly and permit pressure to vent to atmosphere.

  • Page 26: Pump End Reassembly

    OM -- 01690 S SERIES PUMP Cleaning And Inspection Of Pump Parts The stationary seal seat and element will remain in the seal chamber bore when removed. To remove With the pump inverted, stuff a clean tissue into the the stationary portion of the seal, place the seal stationary seal seat bore of the lower mounting chamber on a clean cloth with the seal bore side plate (98) or wrap a small rag around the shaft to...
  • Page 27 S SERIES PUMP OM -- 01690 can shorten seal life. If necessary, clean the faces grooves, and other damage that might cause leak- with a non-oil based solvent and a clean, lint-free age. If any components are worn, replace the com- tissue.

  • Page 28: Impeller Installation

    OM -- 01690 S SERIES PUMP Impeller Installation Use your thumbs to press the assembly into the bore. Apply equal pressure on opposite sides until Inspect the impeller (2) for cracks, broken vanes, the seat contacts the bore shoulder. Remove the or wear from erosion, and replace it if damaged.

  • Page 29: Motor Disassembly

    S SERIES PUMP OM -- 01690 MOTOR DISASSEMBLY Pull the male and female connector sleeves (40 and 42) apart, then pull the lead plugs (41) from the auto control device (78) out of the cable lead recep- Disassembly of the motor is rarely required except tacles (43).

  • Page 30: Rotor And Shaft Removal

    OM -- 01690 S SERIES PUMP Clean the bearings thoroughly in fresh cleaning leads, lift the mounting plate (24) while guiding the electrical leads through the grommet (27) to ac- solvent. Dry the bearings with filtered compressed cess the centrifugal switch contact (90). Remove air and coat with light oil.

  • Page 31: Motor Reassembly

    S SERIES PUMP OM -- 01690 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. Most cleaning solvents are toxic and flammable. Use them only in a well ven- tilated area, free from excessive heat, sparks, and flame.

  • Page 32: Bearing Installation

    OM -- 01690 S SERIES PUMP stator to slide into the motor housing before the the shaft, it is recommended that bearings housing cools. be cleaned and inspected in place. It is strongly recommended that the bearings be replaced any time the shaft and rotor Heat the motor housing with a torch to expand it assembly is removed.

  • Page 33: Rotor And Shaft Installation

    S SERIES PUMP OM -- 01690 Rotor And Shaft Installation Position the bearing shim (23) on the upper bear- ing (22), then carefully slide the mounting plate down over the bearing shim and upper bearing. With the stator installed and the motor housing up- Make certain that the bearing seats squarely in the right, carefully ease the rotor/shaft (95) and as- bore.

  • Page 34: Vacuum/Pressure Testing

    OM -- 01690 S SERIES PUMP NOTE the vacuum test. Do not use a vacuum gauge. Vac- uum gauges are not sensitive enough to detect mi- Check the wiring diagram in Troubleshooting, nor leaks. Section D to make sure that all electrical leads are correctly installed.
  • Page 35 Pressure (Minutes) Vacuum (PSI) (In. Hg.) S2D3A LUBRICATION To check the seal cavity oil, lay the pump on its side and remove the seal cavity drain/fill plug (100) in the motor housing. Tip the pump and drain off a small amount of oil into a transparent cup. If the oil...
  • Page 36 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...

This manual is also suitable for:

S series

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