ACEOM-03289-OB02September 11, 2000Rev. A 05-03-10THE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS,
OM−03289VG SERIESPAGE B − 3INSTALLATIONing piping couplings in suction lines is not recom-mended.Line ConfigurationKeep suction and discharge lines as
OM−03289 VG SERIESPAGE B − 4 INSTALLATIONair to escape from the liquid before it is drawn intothe suction inlet.If two suction lines are installed in
OM−03289VG SERIESPAGE B − 5INSTALLATIONfrom excessive shock pressure and reverse rota-tion when it is stopped.If the application involves a high disch
OM−03289 VG SERIESPAGE B − 6 INSTALLATIONstraightedge to measure the amount of misalign-ment.V-Belt DrivesWhen using V-belt drives, the power source a
OM−03289VG SERIESPAGE B − 7INSTALLATIONA tension tester is available as an option from Gor-man-Rupp (P/N 29513−001). Other tension test-ers are availa
OM−03289 VG SERIESPAGE B − 8 INSTALLATIONTable 1. Sheave Diameter (Inches)Deflection Force (Lbs.)CrossSectionSmallestSheaveDiameterRangeR.P.M.RangeUse
OM−03289VG SERIESPAGE B − 9INSTALLATIONELECTRICAL CONNECTIONSBefore connecting a motor to the incoming power,check that the electrical service availab
VG SERIESOM−03289OPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andde
VG SERIESOM−03289OPERATIONPAGE C − 2a venturi which creates a vacuum in the pump cas-ing in order to fill the suction line and pump casingwith liquid
VG SERIESOM−03289OPERATION PAGE C − 3against closed valves could bring the liquid to aboil, build pressure, and cause the pump to rup-ture or explode.
Register your newGorman-Rupp pump online atwww.grpumps.comValid serial number and e-mail address required.RECORD YOUR PUMP MODEL AND SERIAL NUMBERPlea
VG SERIESOM−03289OPERATIONPAGE C − 4BEARING TEMPERATURE CHECKBearings normally run at higher than ambient tem-peratures because of heat generated by f
VG-SERIES OM−03289TROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION DReview all SAFETY information in Section A.Before attempting to open or service
OM−03289VG-SERIESTROUBLESHOOTINGPAGE D − 2TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIRE
VG-SERIES OM−03289TROUBLESHOOTING PAGE D − 3TROUBLE POSSIBLE CAUSE PROBABLE REMEDYBEARINGSRUN TOO HOTBearing temperature is high, butwithin limits.Che
OM−03289VG-SERIESTROUBLESHOOTINGPAGE D − 4General Condition (Temperature, UnusualNoises or Vibrations, Cracks, Leaks,Loose Hardware, Etc.) IPump Perfo
OM−03289VG SERIESMAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR − SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL
OM−03289 VG SERIESMAINTENANCE & REPAIRPAGE E − 2PARTS PAGESECTION DRAWINGFigure 1. Pump Model VG1 1/4B3−B
ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYOM−03289VG SERIESMAINTENANCE & REPAIR PAGE E − 3PARTS LISTPump
OM−03289 VG SERIESMAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the instr
OM−03289VG SERIESMAINTENANCE & REPAIR PAGE E − 5Apply oil to the sleeve and work it up under the bel-lows. Slide the rotating element, retainer an
TABLE OF CONTENTSiINTRODUCTION PAGE I − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAFETY − SE
OM−03289 VG SERIESMAINTENANCE & REPAIRPAGE E − 6housing. Replace the bearings, shaft, or bearinghousing if the proper bearing fit is not achieved.
OM−03289VG SERIESMAINTENANCE & REPAIR PAGE E − 7the pump is fully reassembled. Lubricate the bear-ings as indicated in LUBRICATION.Seal Reassembly
OM−03289 VG SERIESMAINTENANCE & REPAIRPAGE E − 8This seal is not designed for operation attemperatures above 160_F (71_C). Do notuse at higher ope
OM−03289VG SERIESMAINTENANCE & REPAIR PAGE E − 9tinuously or installed in an environment with rapidtemperature change.Monitor the condition of 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 CONTENTS(continued)iiPUMP MAINTENANCE AND REPAIR − SECTION E PAGE E − 1. . . . . . . . . . . . . . . . STANDARD PERFORMANCE CURVE PAGE E − 1.
VG SERIES OM−03289PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinsta
VG SERIES OM−03289PAGE A − 1SAFETYSAFETY − SECTION AThis information apply to the VG Seriesbasic pumps. Gorman-Rupp has nocontrol over or particular k
OM−03289VG SERIESPAGE A − 2 SAFETYUse lifting and moving equipment ingood repair and with adequate capacityto prevent injuries to personnel or dam-age
OM−03289VG SERIESPAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identica
OM−03289 VG SERIESPAGE B − 2 INSTALLATIONPREINSTALLATION INSPECTIONThe pump assembly was inspected and tested be-fore shipment from the factory. Befo
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