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GORMAN-RUPP PUMPS JS4L60-E8.7 200/3 Installation, Operation And Maintenance Manual

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OM-03534-OM01
July 16, 1990
Rev. F 06‐23‐04
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
SUBMERSIBLE PUMPS
MODELS
JS4L60‐E8.7 200/3, 230/3, 460/3, 575/3
JS4M60‐E11 200/3, 230/3, 460/3, 575/3
JS4N60‐E8.7 200/3, 230/3, 460/3, 575/3
JS4P60‐E11 200/3, 230/3, 460/3, 575/3
THE GORMAN‐RUPP COMPANY MANSFIELD, OHIO
GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
Copyright by the Gorman‐Rupp Company

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Summary of Contents for GORMAN-RUPP PUMPS JS4L60-E8.7 200/3

  • Page 1 OM-03534-OM01 July 16, 1990 Rev. F 06‐23‐04 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMPS MODELS JS4L60‐E8.7 200/3, 230/3, 460/3, 575/3 JS4M60‐E11 200/3, 230/3, 460/3, 575/3 JS4N60‐E8.7 200/3, 230/3, 460/3, 575/3 JS4P60‐E11 200/3, 230/3, 460/3, 575/3 THE GORMAN‐RUPP COMPANY MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST.

  • Page 2: Table Of Contents

    OM-03534 JS4L‐M‐N‐P TABLE OF CONTENTS INTRODUCTION ......PAGE I-1 SAFETY - SECTION A ..... PAGE A-1 INSTALLATION - SECTION B .
  • Page 3 JS4L‐M‐N‐P OM-03534 MAINTENANCE AND REPAIR - SECTION E PAGE E-1 PUMP MODELS ........PAGE E-1 PARTS LISTS: Pump Model Assemblies...

  • Page 4: Introduction

    OM-03534 JS4L‐M‐N‐P INTRODUCTION This Installation, Operation, and Maintenance other control devices other than those integral to Manual is designed to help you achieve the best the pump motor are not covered in this manual. performance and longest life from your Gorman‐ Refer to other literature accompanying the pump.

  • Page 5: Safety - Section A

    OM-03534 JS4L‐M‐N‐P SAFETY - SECTION A This information is specific to the Gorman‐Rupp J dual‐voltage. Your pump was wired at Series Submersible pumps listed on the cover and the factory for the voltage and phase in MAINTENANCE AND REPAIR - SECTION E. shown on the nameplate.
  • Page 6 JS4L‐M‐N‐P OM-03534 el to ensure that the pump will remain inoperative. 2. Allow the pump to completely cool if over heated. After the pump has been installed, make 3. Close the discharge valve (if used). certain that the pump and all piping or hose connections are secure before op­...

  • Page 7: Installation - Section B

    OM-03534 JS4L‐M‐N‐P INSTALLATION - SECTION B Review all SAFETY information in Section A. e. Carefully read all tags, decals, and markings on the pump assembly, and perform all duties This section is intended only to summarize recom­ indicated. mended installation practices for this pump. If there are any questions concerning your specific f.

  • Page 8: Pump Dimensions

    JS4L‐M‐N‐P OM-03534 FIGURE B-1. JS4L60-E8.7 And JS4M60-E11 (All Voltages) PUMP DIMENSIONS PAGE B - 2 INSTALLATION...
  • Page 9 OM-03534 JS4L‐M‐N‐P FIGURE B-2. JS4N60-E8.7 And JS4P60-E11 (All Voltages) PUMP DIMENSIONS INSTALLATION PAGE B - 3...

  • Page 10: Pump Motor Specifications

    JS4L‐M‐N‐P OM-03534 Pump Motor Specifications (311_F), 40_C (104_F) ambient, plus 115_C (239_F) temperature rise. The motor furnished with this pump is a single volt­ age, 60 Hz., Squirrel Cage, Induction Start, G‐R Frame Size No. 3; Class F Insulation Rated 155_C See Table B‐1 for motor specifications.

  • Page 11: Piping

    OM-03534 JS4L‐M‐N‐P The pump is equipped with a rail guide shoe which ELECTRICAL CONNECTIONS connects to the discharge optional elbow/ baseplate. When lowered into place, the pump is automatically and securely connected to the el­ bow/baseplate and the piping system. See Figure B-1 for a typical elbow/baseplate installation.

  • Page 12: Motor Cable Grounding Test

    JS4L‐M‐N‐P OM-03534 Dual Voltage The conductors labeled P1 and P2 are for thermal and moisture sensor connections, respectively. If the conductors are re‐labled, they should be identified with wire markers from the factory. 230/460 volt versions of this pump are Control Box Connections dual‐voltage.

  • Page 13: Wiring Diagrams

    OM-03534 JS4L‐M‐N‐P Control leads P1 and P2 provide the motor with moisture and thermal protection. Note that thermal protection is supplementary only; separate Class 10 overload relays are required for motor running protection. The thermal protection contacts will auto­ matically reclose when the motor cools to the established safe operating tempera­...
  • Page 14 JS4L‐M‐N‐P OM-03534 230 VOLT 460 VOLT FIGURE B-5. 230/460 VOLT MOTOR CONNECTIONS (DIRECT START [ACROSS‐THE‐LINE]) PAGE B - 8 INSTALLATION...
  • Page 15 OM-03534 JS4L‐M‐N‐P FIGURE B-6. INTERNAL MOTOR WIRING INSTALLATION PAGE B - 9...
  • Page 16 JS4L‐M‐N‐P OM-03534 FIGURE B-7. INTERNAL MOTOR WIRING PAGE B - 10 INSTALLATION...

  • Page 17: Liquid Level Devices

    OM-03534 JS4L‐M‐N‐P Liquid Level Devices phragm which flexes with changes in liquid level, thus activating an enclosed miniature Optional controls available from Gorman‐Rupp switch. may provide a means to automatically regulate the Bulb (Float) Type: a bulb raises or lowers liquid level.

  • Page 18: Operation - Section C

    OM-03534 JS4L‐M‐N‐P OPERATION - SECTION C PERFORMANCE CURVES NOTE This curve applies to standard production models. If your pump serial number is followed by an “N”, In the following curves, performance is based on your pump is not a standard production model. F (21_ C) clear water at sea level.
  • Page 19 JS4L‐M‐N‐P OM-03534 PERFORMANCE CURVE - JS4K60-E11 200/230/460/3 PAGE C - 2 OPERATION...
  • Page 20 OM-03534 JS4L‐M‐N‐P PERFORMANCE CURVE - JS4N60-E8.7 200/230/460/3 OPERATION PAGE C - 3...
  • Page 21 JS4L‐M‐N‐P OM-03534 PERFORMANCE CURVE - JS4P60-E11 200/230/460/3 PAGE C - 4 OPERATION...

  • Page 22: Pump Operation

    OM-03534 JS4L‐M‐N‐P Review all SAFETY information in Section A. The submersible motor is cooled by the liquid be­ ing pumped. To minimize the chance of over‐heat­ Follow the instructions on all tags, labels and ing when installed in a simplex application, it is decals attached to the pump.

  • Page 23: Starting, Stopping, And Operational Checks

    JS4L‐M‐N‐P OM-03534 pump cools and the temperature falls below these limits, the motor will restart automatically. To avoid the hazards of an unexpected motor start‐up, do not at­ While checking impeller rotation, secure tempt to handle or service the pump un­ the pump to prevent the motor power less all power to the motor has been cable from coiling.

  • Page 24: Cold Weather Preservation

    OM-03534 JS4L‐M‐N‐P flushing is absolutely necessary, limit merged, or if the liquid begins to freeze, remove the pump from the wet well and dry it thoroughly. Run liquid pressure input to 50% of the maxi­ the pump for two or three minutes to dry the inner mum permissible operating pressure walls.

  • Page 25: Troubleshooting - Section D

    OM-03534 JS4L‐M‐N‐P 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 26: Electrical Testing

    JS4L‐M‐N‐P OM-03534 TROUBLESHOOTING CHART (cont'd) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY (CONT.) INSUFFICIENT LIQUID IN WET WELL. STOP PUMP UNTIL LIQUID LEVEL RISES. MOTOR RUNS, BUT DOES NOT IMPELLER ROTATING IN WRONG DI- CHECK IMPELLER ROTATION (SEE SEC- DELIVER RATED RECTION. TION C).

  • Page 27: Voltage Imbalance

    OM-03534 JS4L‐M‐N‐P Section B; these values apply only when the Equipment voltage at the site is the normal voltage listed. Motor and Power Cable Continuity Ammeter To check AC Voltage and current (amperage) Set the megohmmeter at R x 1 scale and zero‐ba­ lance it.

  • Page 28: Maintenance And Repair - Section E

    MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING EFFICIENCY PUMP MODELS THE FOLLOWING PUMP MODELS, FROM SERIAL NO. 932241 UP , ARE COVERED IN THIS SECTION. JS4L60-E8.7 200/3, 230/3, 460/3, 575/3 JS4M60-E11 200/3, 230/3, 460/3, 575/3 JS4N60-E8.7 200/3, 230/3, 460/3, 575/3 JS4P60-E11 200/3, 230/3, 460/3, 575/3 IF YOUR PUMP SERIAL NUMBER IS FOLLOWED BY AN “N”, YOUR PUMP IS NOT A STANDARD...
  • Page 29 JS4L‐M‐N‐P OM-03534 PARTS PAGE SECTIONAL DRAWING FIGURE E-1. PUMP MODEL ASSEMBLIES PAGE E - 2 MAINTENANCE AND REPAIR...

  • Page 30: Parts Lists

    OM-03534 JS4L‐M‐N‐P PUMP MODEL ASSEMBLIES PARTS LIST ITEM PART NAME PART NUMBER MOTOR ASSEMBLY (200V) 26825-108 MOTOR ASSEMBLY (230V) 26824-878 MOTOR ASSEMBLY (460V) 26824-877 MOTOR ASSEMBLY (575V) 26824-883 : IMPELLER (JS4L60) 26823-877 : IMPELLER (JS4M60) 26823-876 IMPELLER (JS4N60) 26823-879 IMPELLER (JS4P60) 26823-878 : SHAFT KEY 26824-173...
  • Page 31 JS4L‐M‐N‐P OM-03534 SECTIONAL DRAWING FIGURE E-2. MOTOR ASSEMBLIES PAGE E - 4 MAINTENANCE AND REPAIR...

  • Page 32: Motor Assemblies

    OM-03534 JS4L‐M‐N‐P MOTOR ASSEMBLIES PARTS LIST ITEM PART NAME PART NUMBER ROTOR AND SHAFT 26823-217 UPPER BALL BEARING 26823-731 LOWER BEARING UPPER RETAINING RING 26824-227 LOWER BALL BEARING 26823-737 LOWER BEARING LOWER SUPPORT RING 26824-319 LOWER BEARING UPPER RETAINING RING 26824-228 LOWER BEARING HOUSING 26823-630...

  • Page 33: Pump And Motor Disassembly

    JS4L‐M‐N‐P OM-03534 PUMP AND MOTOR DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. ly. Be careful not to mar mating surfaces. When removing parts from the rotor/shaft assembly, be careful not to mar the surface or tapered end of the shaft. Do not attempt to service the pump end PUMP END DISASSEMBLY and/or motor assemblY unless all power...
  • Page 34 OM-03534 JS4L‐M‐N‐P Impeller Removal free it from the seal housing, and remove the clamp, clamp springs (432), and stationary ele­ ment. 1. Block impeller rotation as described above, and remove the screw (10) securing the impel­ 4. Remove the O‐ring from the groove in the seal ler (5) to the motor shaft.
  • Page 35 JS4L‐M‐N‐P OM-03534 age. Use care not to contaminate the preci­ A push tube cut from plastic pipe approximately the same O.D. as the stationary seat is a useful aid sion‐finished faces; even fingerprints on when installing these components. It is recom­ the faces can shorten seal life.
  • Page 36 OM-03534 JS4L‐M‐N‐P the seal plate to the stator housing with the allen 6. If air bubbles appear, the seal is leaking. Disas­ screws (254). semble the seal, and find and correct the cause of the leak. NOTE 7. Re‐run the test after corrective action has been See SEAL TESTING before assembling the remain­...

  • Page 37: Motor Disassembly

    JS4L‐M‐N‐P OM-03534 8. Re‐run the test after corrective action has been Volute Installation and Impeller Clearance taken. 1. If the guide shoe (33) and rubber seal (31) have been removed, install the rubber seal, and se­ 9. After the seal has been tested, remove the air cure the guide shoe to the volute casing with hoses.

  • Page 38: Removing Rotor And Shaft Assembly

    OM-03534 JS4L‐M‐N‐P the seal with the motor housing. Use a pair of 2. With the pump end components, lifting handle screwdrivers to pry the junction box cover out of and junction box cover removed, install a 10 the motor housing enough to expose the wiring mm lifting eye in the impeller screw hole in the connections to the stator.

  • Page 39: Other Reusable Parts (Except Seal Assemblies)

    JS4L‐M‐N‐P OM-03534 INSPECTION AND CLEANING Cleaning Seal Assembly Carefully inspect all O‐ring seating areas to deter­ mine if they formed a proper seal. If sealing was faulty, determine the cause before reassembling Seal faces are precision finished and sub­ the pump. After inspection, remove and discard all ject to wear patterns which cannot be re­...

  • Page 40: Installing Shaft And Rotor Assembly

    OM-03534 JS4L‐M‐N‐P press fit onto the shaft. The bearings may be heated ing (302). No instructions are given in this manual to ease installation. Bearings should never be for separating the stator, motor housing, or thermal heated by direct flame. An induction heater, hot oil protectors (307).
  • Page 41 JS4L‐M‐N‐P OM-03534 formation marks on the cable. Discard the old rubber seal (235) and install a new one above TO TEST DEVICE the deformation marks. EXPANDER 3. Cut the motor cable (234) above the seal defor­ mation mark. Strip the motor cable outer insula­ tion so that the individual leads are long enough to make motor connections;...

  • Page 42: Lubrication

    OM-03534 JS4L‐M‐N‐P 13.Secure the lifting handle (231) to the motor 2. Place a clean container under the lower plug, housing with the screws (233). remove, and roll the pump on its side to drain the seal housing. 14.Reinstall the pump end components as indi­ cated in PUMP END REASSEMBLY.
  • Page 43 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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