Gorman-rupp-pumps 81 1/2A3-B 275382 and up Bedienungsanleitung

OM-00743-02December 3, 1979Rev. A 03-14-05ABCDETHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.gormanrupp.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS,

OM−00743 80 SERIESPAGE B − 4 INSTALLATIONtion inlet because the inflow will carry air down intothe sump, and air entering the suction line will re-duc

80 SERIES OM−00743PAGE B − 5INSTALLATIONfrom excessive shock pressure and reverse rota-tion when it is stopped.If the application involves a high disc

OM−00743 80 SERIESPAGE B − 6 INSTALLATIONFigure 3B. Aligning Non-Spider TypeCouplingsAlign non-spider type couplings by using a feelergauge or taper

OM−0074380 SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM−0074380 SERIESOPERATIONPAGE C − 2STARTINGConsult the operations manual furnished with thepower source.If the pump has been approved for use with pe

OM−0074380 SERIESOPERATION PAGE C − 3boil, build pressure, and cause the pump to rup-ture or explode. If overheating occurs, stop thepump and allow it

OM−0074380 SERIESOPERATIONPAGE C − 4curately by placing a contact-type thermometeragainst the housing. Record this temperature forfuture reference.A s

OM−0074380 SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service

OM−00743 80 SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIR

OM−0074380 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−0074380 SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR − SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

80 SERIES OM−00743MAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 81 1/2A3−B

OM−0074380 SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump Model 81 1/2A3-B(From S/N 275382 up)If your pump serial number is followed by an N

80 SERIES OM−00743MAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instr

OM−0074380 SERIESMAINTENANCE & REPAIR PAGE E − 5Pump Casing and Wear Plate RemovalTo service the wear plate (20), remove the nuts (18)securing the

80 SERIES OM−00743MAINTENANCE & REPAIRPAGE E − 6Remove the slinger ring (7) from the shaft. Removethe pedestal mounting hardware from the base.Tie

OM−0074380 SERIESMAINTENANCE & REPAIR PAGE E − 7NOTEIf a hot oil bath is used to heat the bearings, both theoil and the container must be absolute

80 SERIES OM−00743MAINTENANCE & REPAIRPAGE E − 8non-oil based solvent and a clean, lint-free tissue.Wipe lightly in a concentric pattern to avoid

OM−0074380 SERIESMAINTENANCE & REPAIR PAGE E − 9Slide the shaft sleeve onto the impeller shaft untilthe seal faces contact. Continue to push the s

80 SERIES OM−00743MAINTENANCE & REPAIRPAGE E − 10ever comes first. Do not over-lubricate. Over-lu-brication will cause the bearings to over-heat,

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−00743PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM−00743PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to 80 Series ba-sic pumps. Gorman-Rupp has no con-trol over or particular

80 SERIESOM−00743PAGE A − 2 SAFETYIf this pump is used with volatile and/orflammable liquids, overheating mayproduce dangerous fumes. Take pre-caution

80 SERIES OM−00743PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

OM−00743 80 SERIESPAGE B − 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested be-fore shipment from the factory. Befo

80 SERIES OM−00743PAGE B − 3INSTALLATIONMaterialsEither pipe or hose maybe used for suction anddischarge lines; however, the materials must becompatib