Gorman-rupp-pumps 81 1/2P47A-E2 1P 801799 and up Bedienungsanleitung

OM-02164-01April 9, 1984Rev. D 08‐30‐13THE GORMAN‐RUPP COMPANY  MANSFIELD, OHIOwww.grpumps.comGORMAN‐RUPP OF CANADA LIMITED  ST. THOMAS, ONTARIO, C

80 SERIES OM-02164PAGE B - 3INSTALLATIONtially increase friction loss. If elbows are necessary,use the long‐radius type to minimize friction loss.Flex

OM-02164 80 SERIESPAGE B - 4 INSTALLATIONsump at a distance equal to 1‐1/2 times the diameter of the suction lineIf there is a liquid flow from an op

80 SERIES OM-02164PAGE B - 5INSTALLATIONDISCHARGE LINESSiphoningDo not terminate the discharge line at a level lowerthan that of the liquid being pump

OM-0216480 SERIESOPERATION PAGE C - 1OPERATION - SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM-02164 80 SERIESOPERATIONPAGE C - 2OPERATIONLines With a BypassClose the discharge throttling valve (if soequipped) so that the pump will not have t

OM-0216480 SERIESOPERATION PAGE C - 3falls off rapidly after stabilization, an air leak exists.Before checking for the source of the leak, checkthe po

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP FAILS TOPRIMEStrainer clogged. Check strainer and clean if necessary.Suction lift or discharge head too hi

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIRESTOO MUCHPOWERPUMP CLOGSFREQUENTLYFree imp

OM-0216480 SERIESTROUBLESHOOTING PAGE D - 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

80 SERIES OM-02164MAINTENANCE & REPAIR PAGE E - 1PUMP MAINTENANCE AND REPAIR ‐ SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WI

Register your newGorman‐Rupp pump online atwww.grpumps.comValid serial number and e‐mail address required.RECORD YOUR PUMP MODEL AND SERIAL NUMBERPlea

80 SERIESOM-02164MAINTENANCE & REPAIRPAGE E - 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 81 1/2P47A-E2 1P

80 SERIES OM-02164MAINTENANCE & REPAIR PAGE E - 3PARTS LISTPump Model 81 1/2P47A-E2 1P(From S/N 801799 Up)If your pump serial number is followed b

80 SERIESOM-02165MAINTENANCE & REPAIRPAGE E - 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM-0216580 SERIESMAINTENANCE & REPAIR PAGE E - 5Inspect the impeller and replace it if cracked orbadly worn. Slide the impeller adjusting shims (1

80 SERIESOM-02165MAINTENANCE & REPAIRPAGE E - 6INTERMEDIATEIMPELLERSHAFTROTATINGELEMENTSTATIONARYELEMENTIMPELLERROTATINGSEATRETAINERIMPELLERKEYBEL

OM-0216580 SERIESMAINTENANCE & REPAIR PAGE E - 7peller key (4) and slide the impeller onto the shaft,taking care not to damage the sealing element

For U.S. and International Warranty Information,Please Visit www.grpumps.com/warrantyor call:U.S.: 419-755-1280International: +1-419-755-1352For Canad

TABLE OF CONTENTSiINTRODUCTION PAGE I - 1...SAFETY ‐ SECTION A PAGE A - 1...

TABLE OF CONTENTS(continued)iiPUMP AND SEAL DISASSEMBLY AND REASSEMBLY PAGE E - 4...Pump Casing and Vane Plate Removal PAGE E -

80 SERIESOM-02164PAGE I - 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman‐Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM-02164PAGE A - 1SAFETYSAFETY ‐ SECTION AThis information applies to 80 Serieselectric motor driven pumps. Refer tothe manual accompanying t

80 SERIESOM-02164PAGE A - 2 SAFETYDo not install and operate a non‐explosion proof motor in an explosive atmosphere. Install, connect, and operateth

80 SERIES OM-02164PAGE B - 1INSTALLATIONINSTALLATION - SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

OM-02164 80 SERIESPAGE B - 2 INSTALLATIONing, check for loose hardware at mating surfaces.c. Carefully read all tags, decals, and markingson the pump