Gorman-rupp-pumps 82H52-B 252751 thru 1325647 Manuel d'utilisateur

OM-00836-01April 8, 1980Rev. B 03-14-05ABCDETHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.gormanrupp.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ON

80 SERIESOM−00836PAGE 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−00836PAGE B − 5INSTALLATIONfrom excessive shock pressure and reverse rota-tion when it is stopped.If the application involves a high disc

80 SERIESOM−00836PAGE B − 6 INSTALLATIONFigure 3B. Aligning Non-Spider TypeCouplingsAlign non-spider type couplings by using a feelergauge or taper g

OM−0083680 SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM−0083680 SERIESOPERATIONPAGE C − 2STARTINGConsult the operations manual furnished with thepower source.If the pump has been approved for use with pe

OM−0083680 SERIESOPERATION PAGE C − 3boil, build pressure, and cause the pump to rup-ture or explode. If overheating occurs, stop thepump and allow it

OM−0083680 SERIESOPERATIONPAGE C − 4curately by placing a contact-type thermometeragainst the housing. Record this temperature forfuture reference.A s

OM−0083680 SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service

OM−00836 80 SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIR

OM−0083680 SERIESTROUBLESHOOTING PAGE D − 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

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

OM−0083680 SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR − SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

OM−0083680 SERIESMAINTENANCE & REPAIRPAGE E − 2 SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 82H52−B

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYOM−0083680 SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump

OM−0083680 SERIESMAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM−0083680 SERIESMAINTENANCE & REPAIR PAGE E − 5Pump Casing RemovalTo service the impeller (2), wear plate assembly(29) and seal assembly (3), dis

OM−0083680 SERIESMAINTENANCE & REPAIRPAGE E − 6press the stationary seat and O-ring out of the sealplate from the back side.If no further disassem

OM−0083680 SERIESMAINTENANCE & REPAIR PAGE E − 7Replace the bearings, shaft, or pedestal if theproper bearing fit is not achieved.If bearing repla

OM−0083680 SERIESMAINTENANCE & REPAIRPAGE E − 8Seal Reassembly and Installation(Figures 1 and 3)Clean the seal cavity and shaft with a cloth soake

OM−0083680 SERIESMAINTENANCE & REPAIR PAGE E − 9This seal is not designed for operation attemperatures above 160_F (71_C). Do notuse at higher ope

OM−0083680 SERIESMAINTENANCE & REPAIRPAGE E − 10sembly, assemble the check valve weights (43 and44) to the check valve gasket (42) with the hard-

TABLE OF CONTENTS(continued)iiPUMP MAINTENANCE AND REPAIR - SECTION E PAGE E − 1. . . . . . . . . . . . . . . . . STANDARD PERFORMANCE CURVE PAGE E −

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−00836PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM−00836PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to 80 Series ba-sic pumps. Gorman-Rupp has no con-trol over or particular

80 SERIESOM−00836PAGE A − 2 SAFETYIf this pump is used with volatile and/orflammable liquids, overheating mayproduce dangerous fumes. Take pre-caution

80 SERIES OM−00836PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

80 SERIESOM−00836PAGE B − 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested be-fore shipment from the factory. Befor

80 SERIES OM−00836PAGE B − 3INSTALLATIONcompatible with the liquid being pumped. If hose isused in suction lines, it must be the rigid-wall, rein-for