Gorman-rupp-pumps 3D-B 883512 and up Manuel d'utilisateur

OM−01490−04June 17, 1987Rev. E 06-10-10ACTHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONTARIO,

D SERIES OM−01490PAGE B − 3INSTALLATIONFixed, Rigid PipingThis pump is equipped with an integral suction ac-cumulator chamber which promotes an effici

OM−01490 D SERIESPAGE B − 4 INSTALLATIONSUCTION LINESTo avoid air pockets which could affect pump prim-ing, the suction line must be as short and dire

D SERIES OM−01490PAGE B − 5INSTALLATIONmended that unless absolutely necessary,no positive shut-off valve be installed in thesuction line; excessive r

OM−01490D SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels anddec

OM−01490 D SERIESOPERATIONPAGE C − 2a gearbox with A 30:36:1 ratio and a 1750RPM maximum input drive. Make certainthat the electric motor installed do

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP FAILS TOPRIMEPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURED SERIES OM−01490TROUBLESHOOTING PAGE D − 1T

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP REQUIRESTOO MUCHPOWERPUMPCLOGS FRE-QUENTLYEXCESSIVE NOISEBEARINGSRUN TOO HOTOM−01490 D SERIESTROUBLESHOOTIN

D SERIES OM−01490MAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR - SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Model 3D-B

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYD SERIES OM−01490MAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump

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

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 4SECTION DRAWINGFigure 2. 46475−701 Diaphragm Pot Assembly

D SERIES OM−01490MAINTENANCE & REPAIR PAGE E − 5PARTS LIST46475−701 Diaphragm Pot AssemblyITEM NO.PART NAMEPART NUMBERMAT’LCODEQTY1 DISCHARGE FLAN

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 6SECTION DRAWINGFigure 3. Standard 5685 AND Optional 5685B Plunger Rod Assembly

D SERIES OM−01490MAINTENANCE & REPAIR PAGE E − 7PARTS LIST5685 Standard Plunger Rod Assembly And5685B Optional Plunger Rod AssemblyITEM NO.PART NA

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 8SECTION DRAWINGFigure 4. 8981 Gearbox Assembly

ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYD SERIES OM−01490MAINTENANCE & REPAIR PAGE E − 9PARTS LIST8981

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 10PUMP AND GEARBOX DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the ins

OM−01490D SERIESMAINTENANCE & REPAIR PAGE E − 11phragm pot assembly (36). Inspect the diaphragmring (37) for wear or damage. If replacement is re-

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 12After removing the shaft and bearings, clean andinspect the bearings in place as follows.To prevent

OM−01490D SERIESMAINTENANCE & REPAIR PAGE E − 13permanently damaged and require replacement.To remove the spacer sleeve, remove the caps-crew (3)

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

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 14bore until it is flush with the inner machined face onthe housing.When installing the bearings into

OM−01490D SERIESMAINTENANCE & REPAIR PAGE E − 15flammable. Use them only in a well-ven-tilated area free from excessive heat,sparks, and flame. Re

D SERIESOM−01490MAINTENANCE & REPAIRPAGE E − 16LUBRICATIONPlunger Rod Assembly(Figure 3)The eccentric bearing should be lubricatedthoroughly after

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 AND GEARBOX DISASSEMBLY AND REASSEMBLY PAGE E − 10. . . . . . . . . . . . . . . . . . . . . . . Suction And Dischar

D SERIESOM−01490PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstall

D SERIESOM−01490PAGE A − 1WARNINGSSAFETY- SECTION AThis information appllies to D Series ba-sic diaphragm pumps. Gorman-Rupphas no control over or par

D SERIESOM−01490PAGE A − 2 WARNINGSNever install a positive shut-off valve in thedischarge line; discharge restrictions willcause excessive friction l

D SERIES OM−01490PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identica

OM−01490 D SERIESPAGE B − 2 INSTALLATIONIf the maximum shelf life has been exceeded, or ifanything appears to be abnormal, contact yourGorman-Rupp dis