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GORMAN-RUPP PUMPS 82H52-B Installation, Operation, And Maintenance Manual With Parts List

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OM-00836-01
ABCDE
April 8, 1980
Rev. B 03-14-05
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODEL
82H52−B
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
www.gormanrupp.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 OM-00836-01 ABCDE April 8, 1980 Rev. B 03-14-05 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 82H52−B THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.gormanrupp.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I −...
  • Page 3 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR - SECTION E ....PAGE E − 1 STANDARD PERFORMANCE CURVE ........PAGE E −...

  • Page 4: Introduction

    80 SERIES OM−00836 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 5: Safety - Section A

    80 SERIES OM−00836 SAFETY - SECTION A This information applies to 80 Series ba- containing specified entrained solids. sic pumps. Gorman-Rupp has no con- Only the Gorman-Rupp Company or an trol over or particular knowledge of the authorized Gorman-Rupp distributor power source which will be used.
  • Page 6 OM−00836 80 SERIES of time. If operated against a closed dis- charge valve, pump components will deteriorate, and the liquid could come to a boil, build pressure, and cause the If this pump is used with volatile and/or pump casing to rupture or explode. flammable liquids, overheating may produce dangerous fumes.

  • Page 7: Installation − Section Bpage B

    80 SERIES OM−00836 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 8: Preinstallation Inspection

    OM−00836 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 a.

  • Page 9: Line Configuration

    80 SERIES OM−00836 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 10: Suction Line Positioning

    OM−00836 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 11: Bypass Lines

    80 SERIES OM−00836 from excessive shock pressure and reverse rota- bolts. The pump casing feet and/or pedestal feet, tion when it is stopped. and the driver mounting bolts should also be tightly secured. If the application involves a high discharge When checking alignment, disconnect head, gradually close the discharge the power source to ensure that the...

  • Page 12: V-Belt Drives

    OM−00836 80 SERIES 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- Figure 3B. Aligning Non-Spider Type Couplings facturer’s instructions.

  • Page 13: Operation − Section C

    OM−00836 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 14: Starting

    OM−00836 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 15: Strainer Check

    OM−00836 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 16 OM−00836 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 17: Troubleshooting − Section D

    80 SERIES OM−00836 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 18 OM−00836 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 19: Preventive Maintenance

    80 SERIES OM−00836 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 20 OM−00836 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 82H52−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 21 OM−00836 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 82H52−B PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 22 OM−00836 80 SERIES PARTS LIST Pump Model 82H52−B (From S/N 252751 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 23 OM−00836 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 24 80 SERIES OM−00836 Pump Casing Removal heavy bar stock to pry against the arm of the lathe dog in a counterclockwise direction (when facing the drive end of the shaft) as shown in Figure 2. To service the impeller (2), wear plate assembly Use caution not to damage the shaft or keyway.
  • Page 25 OM−00836 80 SERIES press the stationary seat and O-ring out of the seal After removing the shaft and bearings, clean and plate from the back side. inspect the bearings in place as follows. If no further disassembly is required, see Seal Reassembly and Installation.
  • Page 26 80 SERIES OM−00836 Replace the bearings, shaft, or pedestal if the curred, use a suitably sized sleeve and a press to proper bearing fit is not achieved. reposition the bearings. If heating the bearings is not practical, use a suit- If bearing replacement is required, use a bearing ably sized sleeve and an arbor (or hydraulic) press puller to remove the inboard and outboard bear-...
  • Page 27 OM−00836 80 SERIES Seal Reassembly and Installation finished faces; even fingerprints on the faces can shorten seal life. If necessary, clean the faces with a (Figures 1 and 3) non-oil based solvent and a clean, lint-free tissue. Wipe lightly in a concentric pattern to avoid Clean the seal cavity and shaft with a cloth soaked scratching the faces.
  • Page 28 80 SERIES OM−00836 NOTE Be sure the seal plate is tight against the pedestal while measuring this clearance. This seal is not designed for operation at After the back clearance is set, secure the impeller temperatures above 160_F (71_C). Do not with the hardware (30, 31 and 32).
  • Page 29 OM−00836 80 SERIES sembly, assemble the check valve weights (43 and Bearings 44) to the check valve gasket (42) with the hard- ware (45 and 46). The pedestal was fully lubricated when shipped from the factory. Check the oil level regularly Position the check valve assembly in the suction through the sight gauge (21) and maintain it at the port with the large weight (43) facing toward the in-...
  • Page 30 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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80 series

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