Gorman-rupp-pumps 12C20-B 1341727 and up Bedienungsanleitung

OM‐00608‐04June 12, 2006Rev. B 11‐26‐2013ACDETHE GORMAN‐RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN‐RUPP OF CANADA LIMITED D ST. THOMAS, ONTA

10 SERIES OM-00608PAGE B - 3INSTALLATIONSUCTION AND DISCHARGE PIPINGPump performance is adversely effected by increased suction lift, discharge eleva

OM-00608 10 SERIESPAGE B - 4 INSTALLATIONSuction Lines In SumpsIf a single suction line is installed in a sump, itshould be positioned away from the w

10 SERIES OM-00608PAGE B - 5INSTALLATIONDISCHARGE LINESSiphoningDo not terminate the discharge line at a level lowerthan that of the liquid being pump

OM-00608 10 SERIESPAGE B - 6 INSTALLATIONstalled anywhere in a bypass line, it mustbe a full‐opening, ball‐type valve to prevent plugging by solids.A

10 SERIES OM-00608PAGE B - 7INSTALLATIONDISCHARGE PIPEDISCHARGECHECK VALVEPUMP DISCHARGESELF‐PRIMINGCENTRIFUGALPUMPSUCTIONLINESUPPORTBRACKETCLEAN‐OUTC

OM-00608 10 SERIESPAGE B - 8 INSTALLATIONAdjusting the alignment in one directionmay alter the alignment in another direction. check each procedure a

10 SERIES OM-00608PAGE B - 9INSTALLATIONparts can catch clothing, fingers, ortools, causing severe injury to personnel.V‐BELT TENSIONINGGeneral Rules

OM-00608 10 SERIESPAGE B - 10 INSTALLATIONTable 1. Sheave Diameter (Inches)Deflection Force (Lbs.)CrossSectionSmallestSheaveDiameterRangeR.P.M.RangeUs

OM-0060810 SERIESOPERATION PAGE C - 1OPERATION - SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde

OM-00608 10 SERIESOPERATIONPAGE C - 2Consult the operating manual furnished with thepump power source before attempting to start thepower source.If an

Register your newGorman‐Rupp pump online atwww.grpumps.com/register.Valid serial number and e‐mail address required.RECORD YOUR PUMP MODEL AND SERIAL

OM-0060810 SERIESOPERATION PAGE C - 3Pump Vacuum CheckWith the pump inoperative, install a vacuum gaugein the system, using pipe dope on the threads.B

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-0060810 SERIESTROUBLESHOOTING PAGE D - 3PREVENTIVE MAINTENANCESince pump applications are seldom identical, andpump wear is directly affected by su

10 SERIES OM-00608MAINTENANCE & REPAIR PAGE E - 1PUMP MAINTENANCE AND REPAIR ‐ SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WI

10 SERIESOM-00588MAINTENANCE & REPAIRPAGE E - 2PARTS PAGESECTION DRAWINGFigure E-1. Pump Model 12C20-B

ITEM NO.PART NAME PART NUMBERMAT'LCODEQTY ITEM NO.PART NAME PART NUMBERMAT'LCODEQTY10 SERIES OM-00608MAINTENANCE & REPAIR PAGE E - 3PART

10 SERIESOM-00608MAINTENANCE & REPAIRPAGE E - 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instru

OM-0060810 SERIESMAINTENANCE & REPAIR PAGE E - 5Pump Casing RemovalDeath or serious personal injury anddamage to the pump or componentscan occur i

10 SERIESOM-00608MAINTENANCE & REPAIRPAGE E - 6as a unit. Position the seal plate on a flat surfacewith the impeller side down. Use a suitably siz

TABLE OF CONTENTSiINTRODUCTION PAGE I - 1...SAFETY ‐ SECTION A PAGE A - 1...

OM-0060810 SERIESMAINTENANCE & REPAIR PAGE E - 7bearings. This may scratch the balls orraces and cause premature bearing failure.Rotate the beari

10 SERIESOM-00608MAINTENANCE & REPAIRPAGE E - 8screws positioned horizontally in line. Be carefulnot to damage the lip of the oil seal (25) on the

OM-0060810 SERIESMAINTENANCE & REPAIR PAGE E - 9IMPELLERSHAFTIMPELLERIMPELLERSHIMSSHAFTSLEEVESTATIONARYSEATROTATING ELEMENTSPRING CENTERINGWASHERS

10 SERIESOM-00608MAINTENANCE & REPAIRPAGE E - 10shims (62) as previously removed and screw theimpeller onto the shaft until tight.A clearance of .

OM-0060810 SERIESMAINTENANCE & REPAIR PAGE E - 11Install the suction and discharge lines and open allvalves. Make certain that all piping connecti

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)iiTROUBLESHOOTING - SECTION D PAGE D - 1...PREVENTIVE MAINTENANCE PAGE D - 3...

10 SERIESOM-00608PAGE I - 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman‐Rupp pump.Read this manual carefully to learn how to safelyinstal

10 SERIESOM-00608PAGE A - 1SAFETYSAFETY ‐ SECTION AThis information applies to 10 Series basic pumps. Gorman‐Rupp has no control over or particular

10 SERIESOM-00608PAGE A - 2 SAFETYDo not operate the pump against aclosed discharge valve for long periodsof time. If operated against a closed disc

10 SERIES OM-00608PAGE B - 1INSTALLATIONINSTALLATION - SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic

OM-00608 10 SERIESPAGE B - 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested before shipment from the factory. Befor