Gorman-rupp-pumps 84A52-B 1325165 and up Manuel d'utilisateur

OM-00924-03November 18, 2005ABCDETHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.gormanrupp.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONTARIO, CANAD

80 SERIESOM−00924PAGE B − 4 INSTALLATIONsuction inlet at a distance 1-1/2 times the diameterof the suction pipe. The baffle will allow entrainedair to

80 SERIES OM−00924PAGE B − 5INSTALLATIONIf the application involves a high dischargehead, gradually close the dischargethrottling valve before stoppin

80 SERIESOM−00924PAGE B − 6 INSTALLATIONAir Release Valve InstallationThe Automatic Air Release Valve must be inde-pendently mounted in a horizontal p

80 SERIES OM−00924PAGE B − 7INSTALLATIONof the pump.When mounted at the Gorman-Rupp factory, driverand pump are aligned before shipment. Misalign-ment

80 SERIESOM−00924PAGE B − 8 INSTALLATIONbelts are a matched set; unmatched sets will causeaccelerated belt wear.MISALIGNED:SHAFTSNOT PARALLELMISALIGNE

OM−0092480 SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM−0092480 SERIESOPERATIONPAGE C − 2STARTINGConsult the operations manual furnished with thepower source.If the pump has been approved for use with pe

OM−0092480 SERIESOPERATION PAGE C − 3boil, build pressure, and cause the pump to rup-ture or explode. If overheating occurs, stop thepump and allow it

OM−0092480 SERIESOPERATIONPAGE C − 4curately by placing a contact-type thermometeragainst the housing. Record this temperature forfuture reference.A s

OM−0092480 SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service

TABLE OF CONTENTSiINTRODUCTION PAGE I − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAFETY - SE

OM−00924 80 SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIR

OM−0092480 SERIESTROUBLESHOOTING PAGE D − 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

OM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR − SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

OM−0092480 SERIESMAINTENANCE & REPAIRPAGE E − 2 SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 84A52−B

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYOM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump

OM−0092480 SERIESMAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 5Pump Casing RemovalTo service the impeller (2), wear plate assembly(41) and seal assembly (3), dis

OM−0092480 SERIESMAINTENANCE & REPAIRPAGE E − 6the impeller side down. Use a suitably sized dowelto press the stationary seat and O-ring out of th

OM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 7Rotate the bearings by hand to check for rough-ness or binding and inspect the bearing balls. If r

OM−0092480 SERIESMAINTENANCE & REPAIRPAGE E − 8Press the bearing retainer into the pedestal until itseats against the bearing. Be careful not to c

TABLE OF CONTENTS(continued)iiTROUBLESHOOTING − SECTION D PAGE D − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PREVENTIVE MAINTENANCE

OM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 9IMPELLERSHAFTSEALPLATEROTATINGELEMENTSPRINGSEATRETAINERSPRINGIMPELLERADJUSTINGSHIMSIMPELLERBELLOWS

OM−0092480 SERIESMAINTENANCE & REPAIRPAGE E − 10NOTEBe sure the seal plate is tight against the pedestalwhile measuring this clearance.After the b

OM−0092480 SERIESMAINTENANCE & REPAIR PAGE E − 11LUBRICATIONSeal AssemblyThe seal assembly is lubricated by the medium be-ing pumped, and no addit

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

80 SERIESOM−00924PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM−00924PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to 80 Series ba-sic pumps. Gorman-Rupp has no con-trol over or particular

80 SERIESOM−00924PAGE A − 2 SAFETYunit and the National Electric Code orthe applicable local code, the Nationalor local code shall take precedence.If

80 SERIES OM−00924PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

80 SERIESOM−00924PAGE B − 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested be-fore shipment from the factory. Befor

80 SERIES OM−00924PAGE B − 3INSTALLATIONcompatible with the liquid being pumped. If hose isused in suction lines, it must be the rigid-wall, rein-for