GORMAN-RUPP PUMPS 82E52-B Installation, Operation, And Maintenance Manual With Parts List
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GORMAN-RUPP PUMPS 82E52-B Installation, Operation, And Maintenance Manual With Parts List

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OM-00825-01
ABCDE
April 2, 1980
Rev. D 03-14-05
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODEL
82E52−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-00825-01 ABCDE April 2, 1980 Rev. D 03-14-05 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 82E52−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−00825 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−00825 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−00825 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−00825 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−00825 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 9: Materials

    80 SERIES OM−00825 Materials line must always slope upward to the pump from the source of the liquid being pumped; if the line Either pipe or hose maybe used for suction and slopes down to the pump at any point along the discharge lines;...

  • Page 10: Suction Line Positioning

    OM−00825 80 SERIES If there is a liquid flow from an open pipe into the Suction Line Positioning sump, the flow should be kept away from the suc- tion inlet because the inflow will carry air down into the sump, and air entering the suction line will re- The depth of submergence of the suction line is duce pump efficiency.

  • Page 11: Bypass Lines

    80 SERIES OM−00825 friction losses. Never install a throttling valve in a ment will occur in transit and handling. Pumps suction line. must be checked and realigned before operation. Before checking alignment, tighten the foundation bolts. The pump casing feet and/or pedestal feet, With high discharge heads, it is recommended that and the driver mounting bolts should also be tightly a throttling valve and a system check valve be in-...

  • Page 12: V-Belt Drives

    OM−00825 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−00825 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−00825 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−00825 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 cool before servicing it. Refill Before checking for the source of the leak, check the point of installation of the vacuum gauge.
  • Page 16 OM−00825 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−00825 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−00825 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−00825 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−00825 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 82E52−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−00825 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 82E52−B PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 22 OM−00825 80 SERIES PARTS LIST Pump Model 82E52−B (From S/N 684918 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−00825 80 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before AND REASSEMBLY opening any covers, plates, or plugs. Review all SAFETY information in Section A. 5. Close the suction and discharge valves. Follow the instructions on all tags, label and de- 6.
  • Page 24 80 SERIES OM−00825 Pump Casing and Wear Plate Removal With the impeller rotation still blocked, strike the lathe dog sharply in a counterclockwise direction To service the impeller (2), wear plate assembly (when facing the drive end of the shaft). The impel- (21) and seal assembly (3), disconnect the dis- ler may also be loosened by using a long piece of charge piping.
  • Page 25 OM−00825 80 SERIES on a clean, flat surface with the impeller side down Press the oil seal (16) from the pedestal bore. and use a suitably sized dowel to press the station- After removing the shaft and bearings, clean and ary seat and O-ring out of the seal plate from the inspect the bearings in place as follows.
  • Page 26 80 SERIES OM−00825 The bearing tolerances provide a tight press fit After the bearings have been installed and allowed onto the shaft and a snug slip fit into the pedestal. to cool, check to ensure that they have not moved Replace the bearings, shaft, or pedestal if the out of position in shrinking.
  • Page 27 OM−00825 80 SERIES to obtain this endplay. during reassembly. This could result in premature failure. If necessary to reuse an old seal in an emer- gency, carefully wash all metallic parts in fresh Install the slinger ring (17) and shaft key (8). Install cleaning solvent and allow to dry thoroughly.
  • Page 28 80 SERIES OM−00825 ROTATING ELEMENT O-RING SPRING STATIONARY SEAT IMPELLER IMPELLER IMPELLER ADJUSTING SHAFT SHIMS SHAFT SLEEVE SPRING SEAT SEAL PLATE BELLOWS RETAINER Figure 3. 25284−941 Seal Assembly Slide the assembled seal and shaft sleeve onto the shaft until the seal faces contact. Continue to push the sleeve through the seal until the chamfered end seats firmly against the shaft shoulder.
  • Page 29 OM−00825 80 SERIES while measuring this clearance. Suction Check Valve Installation Inspect components of the check valve assembly After the back clearance is set, secure the impeller (30) and replace as required. If separated at disas- with the hardware (20, 22 and 23). sembly, assemble the check valve weights (31 and 34) to the check valve gasket (35) with the hard- ware (32 and 33).
  • Page 30 80 SERIES OM−00825 middle of the gauge. When lubrication is required, add SAE No. 30 non-detergent oil through the hole for the air vent (5). Do not over-lubricate. Over-lu- brication can cause the bearings to over-heat, re- Monitor the condition of the bearing lubri- sulting in premature bearing failure.
  • Page 31 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:

80 series

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