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GORMAN-RUPP PUMPS S Series Installation, Operation, And Maintenance Manual With Parts List

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OM-07325-07
February 18, 2020
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
S SERIES
SUBMERSIBLE PUMP
MODEL
S2A1 115V 1P
GORMAN‐RUPP PUMPS
www.grpumps.com
e
2020 Gorman‐Rupp Pumps
Printed in U.S.A.

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  • Page 1 OM-07325-07 February 18, 2020 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST S SERIES SUBMERSIBLE PUMP MODEL S2A1 115V 1P GORMAN‐RUPP PUMPS www.grpumps.com 2020 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:...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐...
  • Page 4 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR ‐ SECTION E ....PAGE E - 1 STANDARD PERFORMANCE CURVE ........PAGE E - 1 PARTS LISTS: Pump Model...

  • Page 5: Introduction

    S SERIES PUMPS OM-07325 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. The following are used to alert maintenance per­ Read this manual carefully to learn how to safely sonnel to procedures which require special atten­ install and operate your pump. Failure to do so...

  • Page 6: Safety - Section A

    OM-07325 S SERIES PUMPS SAFETY - SECTION A This information applies to the S Series submersible motor driven pumps and control boxes. 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-07325 position and locked out, or that the pow­ and the pump or components will not be er supply to the control box has been damaged when lifting. Do not attempt to otherwise cut off and locked out, before...
  • Page 8 OM-07325 S SERIES PUMPS low the pump to completely cool before lift it, make certain that they are posi­ servicing. tioned so as not to damage the pump, and so that the load will be balanced. Do not attempt to lift the pump by the motor power cable or the piping.

  • Page 9: Installation - Section B

    Discharge Size Series LUBRICATION PREINSTALLATION INSPECTION S series pumps are lubricated in one of the follow­ ing methods. The pump assembly was inspected and tested be­ fore shipment from the factory. Before installation, 1. Some pumps utilize two lubrication cavities.

  • Page 10: Pump Installation

    OM-07325 S SERIES PUMPS (see LUBRICATION in the MAINTENANCE AND Table B‐2 for oil capacities and positions for filling REPAIR MANUAL). An additional quart (0,9 liter) the seal cavity in each pump. Motor cavities requir­ of oil is provided to “top off” the oil level in the pump ing lubrication should always be positioned verti­...

  • Page 11: Lifting

    OM-07325 S SERIES PUMPS mergence depth is 65 feet. such hazard, damage or diminished per­ formance is not covered by the warranty. Lifting NOTE When appropriate recycling facilities are available, Pump unit weights will vary depending on the the user should recycle components and fluids mounting and drive provided.

  • Page 12: Piping

    It is recommended that a check valve or throttling valve be installed in the discharge line to control si­ S Series pumps are provided with a suction strain­ phoning or back flow when the pump is shut off. er to prevent large solids from clogging the impel­...

  • Page 13: Control Box Installation

    OM-07325 S SERIES PUMPS or death to personnel can result from motor. If the alternate voltage is utilized, the control box must be replaced with another box designed any alteration to the cable. for the appropriate voltage. Alternate voltage con­...

  • Page 14: Grounding Methods

    OM-07325 S SERIES PUMPS ry or death. Obtain the services of a b. Next, subtract the motor cable voltage drop (see Table 4, Pump Power Cable Specifica­ qualified electrician to make all electri­ tions). cal connections. Make certain that the pump and enclosure are properly c.

  • Page 15: Pump Power Cable Connections

    OM-07325 S SERIES PUMPS a) PLATE ELECTRODE b) DRIVEN ELECTRODE c) BURIED ELECTRODE SOIL SOIL SOIL 8 FEET ROCK 1/4 INCH (6,4 MM) (2,4 M) 3/4 INCH (19,1 STEEL PLATE 2 SQ. MM) NOMINAL FEET (1858,1 SQ. CM) 3/4 INCH (19,1 MM)

  • Page 16: Control Box Specifications

    OM-07325 S SERIES PUMPS Table B‐4. Pump Power Cable Specifications Voltage Resistance Rating Drop Cable Conductor (ohms) at (See per 100 ft. A.W.G O.D. Dia. 25_C (77_F) Note (30,5m) at Pump Voltage/ Cable Inches Inches Cable per 1000 ft. Below) Max.
  • Page 17 OM-07325 S SERIES PUMPS Diaphragm Type: two fixed‐position sen­ sors (upper and lower) each contain a dia­ phragm which flexes with changes in liquid level, thus activating an enclosed miniature Liquid level devices must be positioned far switch. enough apart to allow 10 minutes between Bulb (Float) Type: a bulb raises or lowers starts.

  • Page 18: Wiring Diagrams

    OM-07325 S SERIES PUMPS cluded with the option before making wir­ ing connections. WIRING DIAGRAMS The internal wiring of the sensing devices Refer to the appropriate wiring diagram in the liter­ are different for filling and dewatering func­ ature accompanying the control box when making tions.

  • Page 19: Operation - Section C

    OM-07325 S SERIES PUMPS OPERATION - SECTION C Review all SAFETY information in Section A. Follow the instructions on all tags, labels and decals attached to the pump. Never operate this pump unless there is liquid in the pump casing. The pump will not prime when dry.

  • Page 20: Operation

    OM-07325 S SERIES PUMPS Never introduce air or steam pressure into the OPERATION pump casing or piping to remove a blockage. This could result in personal injury or damage to the equipment. If backflushing is absolutely neces­ Leakage sary, liquid pressure must be limited to 50% of the maximum permissible operating pressure shown No leakage should be visible at pump mating sur­...

  • Page 21: Bearing Temperature Check

    OM-07325 S SERIES PUMPS solids by flushing with a hose. Operate the pump normal for bearings, and they can operate safely to for approximately one minute; this will remove any at least 180 F (82 remaining liquid that could freeze the pump rotat­...

  • Page 22: Troubleshooting - Section D

    S SERIES PUMPS OM-07325 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Lock out or disconnect the power source to ensure that the pump will remain inoperative.
  • Page 23 OM-07325 S SERIES PUMPS TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Pump speed too slow. Check driver output; consult the FAILS TO DELIVER operation manual. RATED FLOW OR Impeller clogged. Free impeller of debris. PRESSURE (cont.) Suction lift too high.

  • Page 24: Preventive Maintenance

    S SERIES PUMPS OM-07325 equipped) between regularly scheduled inspec­ PREVENTIVE MAINTENANCE tions can indicate problems that can be corrected Since pump applications are seldom identical, and before system damage or catastrophic failure oc­ pump wear is directly affected by such things as curs.
  • Page 25 S SERIES PUMPS OM-07325 PUMP MAINTENANCE AND REPAIR ‐ SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCES FOR PUMP MODEL S2A1 115V 1P Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 26 OM-07325 S SERIES PUMPS ILLUSTRATION PARTS PAGE Figure 2. Pump Model S2A1 115V 1P PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 27 S SERIES PUMPS OM-07325 PARTS LIST Pump Model S2A1 115V 1P (From S/N 1717905 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 28 OM-07325 S SERIES PUMPS ILLUSTRATION Figure 3. Terminal Housing & Cable Assembly PAGE E - 4 MAINTENANCE & REPAIR...
  • Page 29 S SERIES PUMPS OM-07325 PARTS LIST Terminal Housing & Cable Assembly ITEM PART PART NAME NUMBER TERMINAL HOUSING 38381-230 13040 RD HD MACH SCREW X#10-02 15991 T TYPE LK WASHER AK#10 15991 TERMINAL SK-E 26U 27214-243 TERMINAL SK-C 36U S1836...
  • Page 30 S SERIES PUMPS OM-07325 PUMP END DISASSEMBLY cable are wrapped around the pump to lift it, make certain that they are posi­ tioned so as not to damage the pump, Review all SAFETY information in Section A. and so that the load will be balanced.
  • Page 31 OM-07325 S SERIES PUMPS Draining Oil From Motor Cavity NOTE When appropriate recycling facilities are available, (Figure 1) the user should recycle components and fluids when doing any routine maintenance / repairs and If motor problems are suspected, remove the mo­...
  • Page 32 S SERIES PUMPS OM-07325 Seal Removal Carefully inspect any O‐rings or gaskets before re­ moval and cleaning to determine if a proper seal (Figures 1 and 3) and compression existed prior to disassembly. If sealing was faulty or questionable, the cause must The lower seal base ring is secured to the diffuser be determined and corrected before reassembly.
  • Page 33 OM-07325 S SERIES PUMPS ROTOR STATIONARY SHAFT SEAT O‐RING ROTATING ELEMENT BELLOWS SPRING INTERMEDIATE BELLOWS ROTATING ELEMENT STATIONARY RETAINING ELEMENT RING SEAL RING O‐RING BASE DIFFUSER IMPELLER SHIMS Figure 3. 10214 Seal Assembly Carefully remove the material stuffed into the seat bore (or unwrap the shaft).
  • Page 34 S SERIES PUMPS OM-07325 Lightly oil the O.D. of the seal installation tool fur­ The lower seal base ring and stationary element is nished with the pump, and install it over the secured to the diffuser with a retaining ring. Place a threaded end of the shaft with the tapered end to­...
  • Page 35 OM-07325 S SERIES PUMPS NOTE MOTOR DISASSEMBLY After the impeller has been properly positioned, Disassembly of the motor is rarely required except check for free rotation. Correct any scraping or to replace the motor rotor, stator or bearings. Do binding before further reassembly.
  • Page 36 S SERIES PUMPS OM-07325 Secure the pump in an upright position. Remove If damage is not extensive and it is necessary to re­ the hardware (22 and 23) securing the terminal place the terminal plate (13) or terminal compo­ housing assembly to the motor housing (18).
  • Page 37 OM-07325 S SERIES PUMPS Position an expandable tool, such as a split disc, the shaft, it is recommended that bearings approximately 2 inches (51 mm) inside the stator, be cleaned and inspected in place. It is and expand it tightly and squarely on the I.D. At­...
  • Page 38 S SERIES PUMPS OM-07325 When installing the relief valve, use `Loctite Pipe which could cause a poor seal, and replace defec­ Sealant With Teflon No. 592' or equivalent com­ tive parts as required. pound on the threads. Thoroughly clean the inside of the motor housing (18) with fresh solvent.
  • Page 39 OM-07325 S SERIES PUMPS the motor housing, make sure that the stator is The bearings may be heated to ease installation. clear to avoid a fire hazard, or damage to the wind­ An induction heater, hot oil bath, electric oven, or ings.
  • Page 40 S SERIES PUMPS OM-07325 spect the sealing surfaces for burrs, nicks and pits er supply to the control box has been which could cause a poor seal. Repair or replace otherwise cut off and locked out, before as require. attempting to open or service the pump assembly.
  • Page 41 OM-07325 S SERIES PUMPS should be tinned prior to reassembly. pump damage and possible serious in­ jury or death to personnel. Slide a length of heat‐shrink tubing (10) up over When shipped from the factory, the cable leads each of the power cable leads. Install the leads on and terminals (17) were encapsulated in heat‐...
  • Page 42 S SERIES PUMPS OM-07325 Allow the adhesive to cure for at least one hour be­ short circuit, resulting in pump damage fore securing the terminal housing to the motor and possible serious injury or death to housing. personnel. 1 YELLOW - CONNECT TERMINAL TO GROUND...
  • Page 43 OM-07325 S SERIES PUMPS bubbles and ensure the material has completely Connect the motor leads (T1, T2, and T3) to corre­ covered the area around the terminal posts. sponding terminal posts (T1, T2 and T3). After the wire terminals have been secured, check NOTE their locations for correctness.
  • Page 44 S SERIES PUMPS OM-07325 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 C-1, draw pressurized to prevent separation of the seal faces...
  • Page 45 OM-07325 S SERIES PUMPS To check the seal cavity oil, lay the pump on its side Operations Manual for positioning of the pump and remove the seal cavity plug (38) in the interme­ during filling of the seal cavity. Apply `Loctite Pipe diate.
  • Page 46 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...

This manual is also suitable for:

S2a1 115v 1p1717905

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