Gorman-rupp-pumps 2D-E.50 1P 1485341 and up Manuel d'utilisateur

OM-01476-04September 13, 2010THE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONTARIO, CANADA P

D SERIES OM−01476PAGE B − 3INSTALLATIONduring pump operation, the air must be replen-ished periodically. To introduce air into the cham-ber, stop the

OM−01476 D SERIESPAGE B − 4 INSTALLATIONble length of suction hose or piping; lengths of 25feet (7,6 m) or longer will reduce the capacity of thepump.

D SERIES OM−01476PAGE B − 5INSTALLATIONmatches the pump motor requirements stampedon the motor nameplate.The electrical power used to operatethis pump

OM−01476D SERIESOPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels anddec

OM−01476 D SERIESOPERATIONPAGE C − 2STOPPINGAfter stopping the pump, lock out and tag out in-coming power to the motor to ensure that thepump will rem

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP FAILS TOPRIMEPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURED SERIES OM−01476TROUBLESHOOTING PAGE D − 1T

TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP REQUIRESTOO MUCHPOWERPUMP CLOGSFREQUENTLYEXCESSIVE NOISEBEARINGS RUNTOO HOTOM−01476 D SERIESTROUBLESHOOTING

D SERIES OM−01476MAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR - SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL

D SERIESOM−01476MAINTENANCE & REPAIRPAGE E − 2PARTS PAGESECTION DRAWINGFigure 1. 2D−E.50 1P Pump Model

D SERIES OM−01476MAINTENANCE & REPAIR PAGE E − 3PARTS LIST2D−E.50 1P Pump Model(From S/N 1485341 Up)If your pump serial number is followed by an 

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−01476MAINTENANCE & REPAIRPAGE E − 4SECTION DRAWINGFigure 2. 46181−004 Plunger Rod Assembly

D SERIES OM−01476MAINTENANCE & REPAIR PAGE E − 5PARTS LIST46181−004 Plunger Rod AssemblyITEM NO.PART NAMEPART NUMBERMAT’LCODEQTY1 ECCENTRIC 38555−

D SERIESOM−01476MAINTENANCE & REPAIRPAGE E − 6PUMP DISASSEMBLY ANDREASSEMBLYReview all SAFETY information in Section A.Follow the instructions on

OM−01476D SERIESMAINTENANCE & REPAIR PAGE E − 7(1, Figure 2) is at the top of its stroke and the spring(8, Figure 2) is decompressed.Remove the ta

D SERIESOM−01476MAINTENANCE & REPAIRPAGE E − 8LUBRICATIONPlunger Rod Assembly(Figure 2)The rod end should be lubricated thor-oughly after each 8 h

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

TABLE OF CONTENTS(continued)iiPlunger Rod and Diaphragm Removal PAGE E − 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

D SERIESOM−01476PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinstall

D SERIESOM−01476PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to D Serieselectric motor driven diaphragmpumps. Refer to the manual accom

D SERIESOM−01476PAGE A − 2 SAFETYDo not install and operate a non-explo-sion proof motor in an explosive atmo-sphere. Install, connect, and operatethe

D SERIES OM−01476PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identica

OM−01476 D SERIESPAGE B − 2 INSTALLATIONnents or lubricants may have exceeded theirmaximum shelf life. These must be inspectedor replaced to ensure ma