GORMAN-RUPP PUMPS 86B52-B Installation, Operation, And Maintenance Manual With Parts List
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GORMAN-RUPP PUMPS 86B52-B Installation, Operation, And Maintenance Manual With Parts List

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ABCDE
OM-00971-03
November 18, 2005
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODELS
86B52−B
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
Copyright by the Gorman-Rupp Company

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  • Page 1 ABCDE OM-00971-03 November 18, 2005 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODELS 86B52−B THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...
  • Page 2 Register your new Gorman-Rupp pump online at www.grpumps.com/register. 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 −...
  • Page 4 TABLE OF CONTENTS (continued) TROUBLESHOOTING − SECTION D ......PAGE D − 1 PREVENTIVE MAINTENANCE .

  • Page 5: Introduction

    80 SERIES OM−00971 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 tion, to those which could damage equipment, and could result in personal injury or damage to the to those which could be dangerous to personnel:...

  • Page 6: Safety - Section A

    80 SERIES OM−00971 SAFETY - SECTION A This information applies to 80 Series ba- 6. Vent the pump slowly and cau- sic pumps. Gorman-Rupp has no con- tiously. trol over or particular knowledge of the 7. Drain the pump. power source which will be used. Refer to the manual accompanying the power source before attempting to begin oper- ation.
  • Page 7 OM−00971 80 SERIES unit and the National Electric Code or closed discharge valve for long periods the applicable local code, the National of time. If operated against a closed dis- or local code shall take precedence. charge valve, pump components will deteriorate, and the liquid could come to a boil, build pressure, and cause the pump casing to rupture or explode.

  • Page 8: Installation − Section Bpage B

    80 SERIES OM−00971 INSTALLATION − SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of the section offers only general recommendations and maximum permissible operating pressure as practices required to inspect, position, and ar-...

  • Page 9: Preinstallation Inspection

    OM−00971 80 SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be- fore shipment from the factory. Before installation, inspect the pump for damage which may have oc- Use lifting and moving equipment in curred during shipment. Check as follows: good repair and with adequate capacity to prevent injuries to personnel or dam- a.

  • Page 10: Line Configuration

    80 SERIES OM−00971 compatible with the liquid being pumped. If hose is Fittings used in suction lines, it must be the rigid-wall, rein- Suction lines should be the same size as the pump forced type to prevent collapse under suction. Us- inlet.

  • Page 11: Suction Line Positioning

    OM−00971 80 SERIES suction inlet at a distance 1-1/2 times the diameter critical to efficient pump operation. Figure 2 shows of the suction pipe. The baffle will allow entrained recommended minimum submergence vs. veloc- air to escape from the liquid before it is drawn into ity.

  • Page 12: Bypass Lines

    80 SERIES OM−00971 pump and piping are installed, and before opera- tion. If the application involves a high discharge NOTE head, gradually close the discharge Check Rotation, Section C, before final alignment throttling valve before stopping the pump. of the pump. Bypass Lines When mounted at the Gorman-Rupp factory, driver and pump are aligned before shipment.

  • Page 13: Drive Belts

    OM−00971 80 SERIES Figure 3A. Aligning Spider Type Couplings MISALIGNED: MISALIGNED: ALIGNED: SHAFTS SHAFTS SHAFTS PARALLEL AND NOT PARALLEL NOT IN LINE SHEAVES IN LINE Figure 3C. Alignment of V-Belt Driven Pumps Tighten the belts in accordance with the belt manu- facturer’s instructions.

  • Page 14: Grounding

    80 SERIES OM−00971 GROUNDING a tight electrical connection with the rod and the pump. If the pump has been approved to pump volatile or flammable liquids, the unit must be grounded by attaching the ground wire assembly to a ground rod in order to eliminate electrostatic build-up by Inspect and test the ground wire assembly the liquid being pumped.

  • Page 15: Operation − Section C

    OM−00971 80 SERIES OPERATION − SECTION C Review all SAFETY information in Section A. PRIMING Follow the instructions on all tags, labels and Install the pump and piping as described in IN- decals attached to the pump. STALLATION. Make sure that the piping connec- tions are tight, and that the pump is securely mounted.

  • Page 16: Starting

    OM−00971 80 SERIES STARTING OPERATION Lines With a Bypass Consult the operations manual furnished with the power source. Close the discharge throttling valve (if so equipped) so that the pump will not have to prime If the pump has been approved for use with petro- against the weight of the liquid in the discharge line.

  • Page 17: Strainer Check

    OM−00971 80 SERIES boil, build pressure, and cause the pump to rup- lift, and should then stabilize. If the vacuum reading ture or explode. If overheating occurs, stop the falls off rapidly after stabilization, an air leak exists. pump and allow it to completely cool before servic- Before checking for the source of the leak, check the point of installation of the vacuum gauge.
  • Page 18 OM−00971 80 SERIES curately by placing a contact-type thermometer rect level (see LUBRICATION in Section E). Bear- against the housing. Record this temperature for ing overheating can also be caused by shaft future reference. misalignment and/or excessive vibration. A sudden increase in bearing temperatures is a When pumps are first started, the bearings may warning that the bearings are at the point of failing seem to run at temperatures above normal.
  • Page 19 80 SERIES OM−00971 TROUBLESHOOTING − SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this man- ual. 2. Lock out or disconnect the power source to ensure that the pump will remain inoperative.
  • Page 20 OM−00971 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Impeller or other wearing parts worn Replace worn or damaged parts. PUMP STOPS OR FAILS TO DELIVER or damaged. Check that impeller is properly RATED FLOW OR centered and rotates freely. PRESSURE (cont.) Impeller clogged.
  • Page 21 80 SERIES OM−00971 PREVENTIVE MAINTENANCE equipped) between regularly scheduled inspec- 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 22 OM−00971 80 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 86B52−B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers.
  • Page 23 OM−00971 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 86B52−B PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 24 OM−00971 80 SERIES PARTS LIST Pump Model 86B52−B (From S/N 1336823 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. ITEM PART NAME PART MAT’L ITEM...
  • Page 25 OM−00971 80 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. 6. Vent the pump slowly and cau- Follow the instructions on all tags, label and de- tiously.
  • Page 26 80 SERIES OM−00971 Pump Casing Removal (when facing the drive end of the shaft) as shown in Figure 2. Use caution not to damage the shaft or To service the impeller (2), wear plate (44) and seal keyway. When the impeller breaks loose, remove assembly (3), disconnect the discharge piping.
  • Page 27 OM−00971 80 SERIES NOTE Press the oil seal (26) from the bearing retainer, and remove the O-ring (32) from the pedestal bore. An alternate method of removing the stationary por- tion of the seal is to remove the machine screws (10) and separate the seal plate (14) from the pedis- Remove the hardware (16 and 17) and slide the as- tal (21).
  • Page 28 80 SERIES OM−00971 NOTE If a hot oil bath is used to heat the bearings, both the oil and the container must be absolutely clean. If the oil has been previously used, it must be thor- Bearings must be kept free of all dirt and oughly filtered.
  • Page 29 OM−00971 80 SERIES grease. Slide the bearing cap and lip seal over the flammable. Use them only in a well-ven- shaft and secure the bearing cap with the hard- tilated area free from excessive heat, ware (16 and 17). Be careful not to damage the oil sparks, and flame.
  • Page 30 80 SERIES OM−00971 ROTATING O-RING SPRING STATIONARY ELEMENT SEAT IMPELLER IMPELLER SHAFT IMPELLER SHAFT ADJUSTING SLEEVE SHIMS SEAL PLATE SPRING SEAT RETAINER BELLOWS Figure 3. 25285−856 Seal Assembly Slide the assembled seal and sleeve onto the shaft until the seal faces contact. Continue to press the shaft sleeve through the rotating portion of the seal until it is fully seated against the shaft shoulder.
  • Page 31 OM−00971 80 SERIES After the back clearance is set, secure the impeller Suction Check Valve Installation with the hardware (41, 42 and 43). (Figure 1) Pump Casing Installation If the wear plate assembly (44) was removed, posi- tion the replacement wear plate assembly squarely Inspect the check valve components and replace against the casing shoulder and secure it with the them as required.
  • Page 32 80 SERIES OM−00971 LUBRICATION Under normal conditions, change the oil each 5000 hours or once each year, more frequently if the pump is operated continuously or installed in Seal Assembly an environment with rapid temperature change. The seal assembly is lubricated by the medium be- ing pumped, and no additional lubrication is re- quired.
  • Page 33 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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