Gorman-rupp-pumps 81 1/4A3-X.50 3P 794462 and up Instrukcja Użytkownika

OM−00783−02January 23, 1984Rev. B 01-20-10ABCETHE GORMAN-RUPP COMPANY  MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED  ST. THOMAS, ONT

OM−0078380 SERIESPAGE B − 3INSTALLATIONmum use of elbows and fittings, which substan-tially increase friction loss. If elbows are necessary,use the l

OM−00783 80 SERIESPAGE B − 4 INSTALLATIONtance equal to at least 3 times the diameter of thesuction pipe.Suction Line PositioningThe depth of submerge

OM−0078380 SERIESPAGE B − 5INSTALLATIONBypass LinesIf it is necessary to permit the escape of air to atmo-sphere on initial priming or during the repr

80 SERIESOM−00783OPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

80 SERIESOM−00783OPERATIONPAGE C − 2OPERATIONLines With a BypassSince this pump does not have a suction checkvalve, the discharge end of the bypass li

80 SERIESOM−00783OPERATION PAGE C − 3equipment. If backflushing is absolutely neces-sary, liquid pressure must be limited to 50% of themaximum permiss

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−0078180 SERIESTROUBLESHOOTING PAGE D − 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

80 SERIES OM−00783MAINTENANCE & 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−00783MAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 81 1/4A3−X.50 3P

80 SERIES OM−00783MAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump Model 81 1/4A3−X.50 3P(From S/N 794462 Up)If your pump serial number is followed b

80 SERIESOM−00783MAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM−0078380 SERIESMAINTENANCE & REPAIR PAGE E − 5measure and record their thickness for ease ofreassembly.Seal Removal(Figures 1 and 2)Remove the s

80 SERIESOM−00783MAINTENANCE & REPAIRPAGE E − 6SEAL PLATEIMPELLERSHAFTSTATIONARYSEATSTATIONARYELEMENTROTATINGELEMENTDRIVE BANDIMPELLERSHIMSIMPELLE

OM−0078380 SERIESMAINTENANCE & REPAIR PAGE E − 7plate clearance as described in Impeller Installa-tion.Install the vane plate O-ring (16) and the

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 - SE

TABLE OF CONTENTS(continued)iiPARTS LIST:Pump Model PAGE E − 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80 SERIESOM−00783PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIES OM−00783PAGE A − 1SAFETYSAFETY − SECTION AThis information applies to 80 Serieselectric motor driven pumps. Refer tothe manual accompanying

80 SERIESOM−00783PAGE A − 2 SAFETYthe applicable local code, the Nationalor local code shall take precedence.Because this pump is designed to han-dle

OM−0078380 SERIESPAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identica

OM−00783 80 SERIESPAGE B − 2 INSTALLATIONing, check for loose hardware at mating sur-faces.c. Carefully read all warnings and cautions con-tained in