Gorman-rupp-pumps 81 1/2B52-B 1240557 and up Bedienungsanleitung

OM-01525-02April 3, 2002Rev. A 03-14-05ABCETHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.gormanrupp.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONT

OM−0152580 SERIESPAGE B − 4 INSTALLATIONsuction inlet at a distance 1-1/2 times the diameterof the suction pipe. The baffle will allow entrainedair to

OM−01525 80 SERIESPAGE B − 5INSTALLATIONfrom excessive shock pressure and reverse rota-tion when it is stopped.If the application involves a high disc

OM−0152580 SERIESPAGE B − 6 INSTALLATIONFigure 3B. Aligning Non-Spider TypeCouplingsAlign non-spider type couplings by using a feelergauge or taper g

OM−0152580 SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM−0152580 SERIESOPERATIONPAGE C − 2STARTINGConsult the operations manual furnished with thepower source.If the pump has been approved for use with pe

OM−0152580 SERIESOPERATION PAGE C − 3Overheating can occur if operated with the valvesin the suction or discharge lines closed. Operatingagainst close

OM−0152580 SERIESOPERATIONPAGE C − 4large solids from clogging the drain port and pre-venting the pump from completely draining, inserta rod or stiff

OM−0152580 SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service

OM−01525 80 SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIR

OM−0152580 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−01525 80 SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR - SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WI

OM−0152580 SERIESMAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure E−1. Pump Model 81 1/2B52−B

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYOM−01525 80 SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump

OM−0152580 SERIESMAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM−01525 80 SERIESMAINTENANCE & REPAIR PAGE E − 5Pump Casing and Wear Plate RemovalThe wear plate assembly (21) may be serviced byremoving the pum

OM−0152580 SERIESMAINTENANCE & REPAIRPAGE E − 6Shaft and Bearing Removal and DisassemblyWhen the pump is properly operated and main-tained, the pe

OM−01525 80 SERIESMAINTENANCE & REPAIR PAGE E − 7be replaced any time the shaft and bear-ings are removed.Pre-pack the bearings by hand (or use a

OM−0152580 SERIESMAINTENANCE & REPAIRPAGE E − 8To ease installation of the seal, lubricate the O.D. ofthe stationary seat and shaft sleeve with wa

OM−01525 80 SERIESMAINTENANCE & REPAIR PAGE E − 9NOTEBe sure the seal plate is tight against the pedestalwhile measuring this clearance.Pump Casin

OM−0152580 SERIESMAINTENANCE & REPAIRPAGE E − 10ously or installed in an environment where variablehot and cold temperatures are common.When lubri

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

OM−0152580 SERIESPAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM−01525PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to 80 Series ba-sic pumps. Gorman-Rupp has no con-trol over or particular

80 SERIESOM−01525PAGE A − 2 SAFETYIf this pump is used with volatile and/orflammable liquids, overheating mayproduce dangerous fumes. Take pre-caution

OM−01525 80 SERIESPAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

OM−0152580 SERIESPAGE B − 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested be-fore shipment from the factory. Before

OM−01525 80 SERIESPAGE B − 3INSTALLATIONcompatible with the liquid being pumped. If hose isused in suction lines, it must be the rigid-wall, rein-for