Gorman-rupp-pumps 88A2-B 818301 and up Manuel d'utilisateur

ACE OM-00974-03March 5, 1985Rev. C 10-11-10THE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONTARI

80 SERIES OM−00974PAGE B − 3INSTALLATIONLines near the pump must be independently sup-ported to avoid strain on the pump which couldcause excessive vi

OM−00974 80 SERIESPAGE B − 4 INSTALLATIONNOTEThe pipe submergence required may be reducedby installing a standard pipe increaser fitting at theend of

80 SERIES OM−00974PAGE B − 5INSTALLATIONALIGNMENTThe alignment of the pump and its power source iscritical for trouble-free mechanical operation. Inei

OM−00974 80 SERIESPAGE B − 6 INSTALLATIONthe belts are a matched set; unmatched sets willcause accelerated belt wear.MISALIGNED:SHAFTSNOT PARALLELMISA

80 SERIES OM−00974PAGE B − 7INSTALLATIONer at the measured belt span. Set the small O-ringon the deflection force scale to zero.Place the tension test

OM−00974 80 SERIESPAGE B − 8 INSTALLATIONTable 1. Sheave Diameter (Inches)Deflection Force (Lbs.)CrossSectionSmallestSheaveDiameterRangeR.P.M.RangeUse

OM−0097480 SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM−0097480 SERIESOPERATIONPAGE C − 2from the shaft and seriously damage thepump.Consult the operating manual furnished with thepower source before att

OM−0097480 SERIESOPERATION PAGE C − 3equipment. If backflushing is absolutely neces-sary, liquid pressure must be limited to 50% of themaximum permiss

OM−0097480 SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service

Register your newGorman-Rupp pump online atwww.grpumps.comValid serial number and e-mail address required.RECORD YOUR PUMP MODEL AND SERIAL NUMBERPlea

OM−00974 80 SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIR

OM−0097480 SERIESTROUBLESHOOTING PAGE D − 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

OM−0097480 SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR − SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

80 SERIES OM−00974MAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 88A2−B

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYOM−0097480 SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump

80 SERIES OM−00974MAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instr

OM−0097480 SERIESMAINTENANCE & REPAIR PAGE E − 5wise until it rests against the cover (see Figure 4) toprevent the grease in the cup from escapin

80 SERIES OM−00974MAINTENANCE & REPAIRPAGE E − 6screwdrivers against the heads of the machinescrews. After removing the bearing retainer, tight-en

OM−0097480 SERIESMAINTENANCE & REPAIR PAGE E − 7NOTEInstall the inboard bearing (17) with the integral re-taining ring on the O.D. toward the impe

80 SERIES OM−00974MAINTENANCE & REPAIRPAGE E − 8gency, carefully wash all metallic parts in freshcleaning solvent and allow to dry thoroughly.Han

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

OM−0097480 SERIESMAINTENANCE & REPAIR PAGE E − 9Before installing the seal, lubricate the seal linerwith water or a very small amount of oil, and

80 SERIES OM−00974MAINTENANCE & REPAIRPAGE E − 10Before starting the pump, fill the pump casing withclean liquid. Apply Never-Seez" or equiv

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

80 SERIESOM−00974PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstal

80 SERIESOM−00974PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to 80 Series ba-sic pumps. Gorman-Rupp has no con-trol over or particular

80 SERIESOM−00974PAGE A − 2 SAFETYOverheated pumps can cause severeburns and injuries. If overheating of thepump occurs:1. Stop the pump immediately.2

80 SERIES OM−00974PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

OM−00974 80 SERIESPAGE B − 2 INSTALLATIONOnly operate this pump in the direction in-dicated by the arrow on the pump bodyand on the accompanying decal