GORMAN-RUPP PUMPS 81 2D11-B Installation, Operation And Maintenance Manual
  1. Manuals
  2. Brands
  3. GORMAN-RUPP PUMPS Manuals
  4. Water Pump
  5. 81 2D11-B
  6. Installation, operation and maintenance manual

GORMAN-RUPP PUMPS 81 2D11-B Installation, Operation And Maintenance Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ABCE
OM-00746-03
August 18, 1981
Rev. B 03-14-05
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODEL
81 1/2D11-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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 81 2D11-B and is the answer not in the manual?

Questions and answers

Related Manuals for GORMAN-RUPP PUMPS 81 2D11-B

Summary of Contents for GORMAN-RUPP PUMPS 81 2D11-B

  • Page 1 ABCE OM-00746-03 August 18, 1981 Rev. B 03-14-05 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 81 1/2D11-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: Pump Dimensions

    80 SERIES OM−00746 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 3: Preinstallation Inspection

    OM−00746 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- curred during shipment. Check as follows: Use lifting and moving equipment in good repair and with adequate capacity a.

  • Page 4: Materials

    80 SERIES OM−00746 Materials slopes down to the pump at any point along the suction run, air pockets will be created. Either pipe or hose maybe used for suction and Fittings discharge lines; however, the materials must be compatible with the liquid being pumped. If hose is Suction lines should be the same size as the pump used in suction lines, it must be the rigid-wall, rein- inlet.

  • Page 5: Suction Line Positioning

    OM−00746 80 SERIES the sump, and air entering the suction line will re- Suction Line Positioning duce pump efficiency. The depth of submergence of the suction line is If it is necessary to position inflow close to the suc- critical to efficient pump operation. Figure 2 shows tion inlet, install a baffle between the inflow and the recommended minimum submergence vs.

  • Page 6: Bypass Lines

    80 SERIES OM−00746 from excessive shock pressure and reverse rota- tion when it is stopped. When checking alignment, disconnect the power source to ensure that the pump will remain inoperative. If the application involves a high discharge head, gradually close the discharge throttling valve before stopping the pump.

  • Page 7: V-Belt Drives

    OM−00746 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 facturer’s instructions.

  • Page 8: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I −...
  • Page 9 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR - SECTION E ....PAGE E − 1 STANDARD PERFORMANCE CURVE ........PAGE E −...
  • Page 10 80 SERIES OM−00746 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 11: Operation − Section C

    OM−00746 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 12: Starting

    OM−00746 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 13: Strainer Check

    OM−00746 80 SERIES boil, build pressure, and cause the pump to rup- inches (508,0 mm) or more of mercury. If it does ture or explode. If overheating occurs, stop the not, check for air leaks in the seal, gasket, or dis- pump and allow it to completely cool before servic- charge valve.

  • Page 14: Bearing Temperature Check

    OM−00746 80 SERIES tions, care should be exercised during start-up, es- curately by placing a contact-type thermometer pecially if the pump has been idle for more than a against the housing. Record this temperature for few hours. future reference. A sudden increase in bearing temperatures is a warning that the bearings are at the point of failing BEARING TEMPERATURE CHECK to operate properly.

  • Page 15: Troubleshooting − Section D

    80 SERIES OM−00746 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 16 OM−00746 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 17: Preventive Maintenance

    80 SERIES OM−00746 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 18 80 SERIES OM−00746 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 19 OM−00746 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 20 80 SERIES OM−00746 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 81 1/2D11−B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- with minimum suction lift.
  • Page 21 OM−00746 80 SERIES SECTION DRAWING PARTS PAGE Figure E−1. Pump Model 81 1/2D11−B PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 22 80 SERIES OM−00746 PARTS LIST Pump Model 81 1/2D11−B (From S/N 740364 up) ITEM PART MAT’L PART NAME NUMBER CODE VOLUTE CASING 6477 10010 IMPELLER 6479 14010 SEAL ASSEMBLY S1219 −−− FILL PLUG ASSEMBLY 48271−060 −−− ROUND HEAD MACHINE SCREW X#10−02 14990 LOCKWASHER...
  • Page 23 OM−00746 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−00746 Impeller Removal Remove the hardware (10, 11 and 12) and slide the intermediate (22) and stationary portion of the seal Immobilize the impeller by wedging a block of off the shaft as a unit. Disengage the hardware (13 wood or a brass rod between the vanes.
  • Page 25 OM−00746 80 SERIES be replaced any time the shaft and bear- ings are removed. Clean the bearing housing, shaft and all compo- nent parts (except the bearings) with a soft cloth To prevent damage during removal from soaked in cleaning solvent. Inspect the parts for the shaft, it is recommended that bearings wear or damage and replace as necessary.
  • Page 26 80 SERIES OM−00746 The seal is not normally reused because wear pat- terns on the finished faces cannot be realigned during reassembly. This could result in premature failure. If necessary to reuse an old seal in an emer- When installing the shaft and bearings into gency, carefully wash all metallic parts in fresh the bearing bore, push against the outer cleaning solvent and allow to dry thoroughly.
  • Page 27 OM−00746 80 SERIES SEAL CAP INTERMEDIATE RETAINER GASKET DISC STATIONARY SEAT IMPELLER SHAFT IMPELLER SHIMS SNAP RING SEAL WASHER SEALING WEDGE ROTATING SPRING ELEMENT Figure 3. S1219 Seal Assembly New seal assemblies are equipped with This seal is not designed for operation at spring holding clips for storage pur- temperatures above 160_F (71_C).
  • Page 28 80 SERIES OM−00746 Slide the seal washer (25) onto the shaft until it is Final Pump Assembly fully seated against the rotating portion of the seal. Be sure the pump and power source are securely mounted to the base. Reconnect the power source Impeller Installation to the pump.
  • Page 29 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:

81 1d11-b80 series

Table of Contents