OM-06132−02May 19, 2008Rev. A 09-08-10ACETHE GORMAN-RUPP COMPANY D MANSFIELD, OHIOwww.grpumps.comGORMAN-RUPP OF CANADA LIMITED D ST. THOMAS, ONTARIO,
VGH SERIES OM−06132PAGE B − 3INSTALLATIONSuction Lines In SumpsIf a single suction line is installed in a sump, itshould be positioned away from the w
OM−06132 VGH SERIESPAGE B − 4 INSTALLATIONDISCHARGE LINESSiphoningDo not terminate the discharge line at a level lowerthan that of the liquid being pu
VGH SERIES OM−06132PAGE B − 5INSTALLATIONWhen checking alignment, disconnectthe power source to ensure that thepump will remain inoperative.Adjusting
OM−06132 VGH SERIESPAGE B − 6 INSTALLATIONMISALIGNED:SHAFTSNOT PARALLELMISALIGNED:SHAFTSNOT IN LINEALIGNED: SHAFTSPARALLEL ANDSHEAVES IN LINEFigure 3C
VGH SERIESOM−06132OPERATION PAGE C − 1OPERATION − SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels and
VGH SERIESOM−06132OPERATIONPAGE C − 2suction line and pump casing. To prime a pumpwith a hand vacuum pump, open the cock on thepump priming line. Oper
VGH SERIESOM−06132OPERATION PAGE C − 3OPERATIONPump speed and operating points must bewithin the continuous performance rangeshown on the pump curve (
VGH SERIESOM−06132OPERATIONPAGE C − 4To avoid serious damage to the pump,check for unusual noises or excessive vi-bration while the pump is running. I
VGH SERIESOM−06132OPERATION PAGE C − 5uid from an external source. When handling cleanliquids, flushing liquid is taken from the pump dis-charge and s
OM−06132VGH SERIESTROUBLESHOOTING PAGE D − 1TROUBLESHOOTING − SECTION BReview 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−06132 VGH SERIESTROUBLESHOOTINGPAGE D − 2Table D-1 Troubleshooting Chart (Continued) TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS OR FAILSTO D
OM−06132VGH SERIESTROUBLESHOOTING PAGE D − 3Table D-1 Troubleshooting Chart (Continued) TROUBLE POSSIBLE CAUSE PROBABLE REMEDYBEARINGS RUN TOOHOTBear
OM−06132 VGH SERIESTROUBLESHOOTINGPAGE D − 4General Condition (Temperature, UnusualNoises or Vibrations, Cracks, Leaks,Loose Hardware, Etc.) IPump Per
VGH SERIES OM−06132MAINTENANCE & REPAIR PAGE E − 1PUMP MAINTENANCE AND REPAIR - SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP W
VGH SERIESOM−06132MAINTENANCE & REPAIRPAGE E − 2SECTION DRAWINGPARTS PAGEFigure 1. Pump Assembly VGH8D31−B
ITEM NO.PART NAME PART NUMBERMAT’LCODEQTY ITEM NO.PART NAME PART NUMBERMAT’LCODEQTYVGH SERIES OM−06132MAINTENANCE & REPAIR PAGE E − 3PARTS LISTPum
VGH SERIESOM−06132MAINTENANCE & REPAIRPAGE E − 4PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all Safety information in Section A.Follow the instr
OM−06132VGH SERIESMAINTENANCE & REPAIR PAGE E − 5move the seal plate gasket (41) and clean the mat-ing surfaces.Immobilize the impeller shaft (22)
VGH SERIESOM−06132MAINTENANCE & REPAIRPAGE E − 6Clean the bearing housing, shaft and all compo-nent parts (except the bearings) with a soft cloths
OM−06132VGH SERIESMAINTENANCE & REPAIR PAGE E − 7Press the oil seal (23) into the bearing cover (25)with the lip positioned as shown in Figure 1.
TABLE OF CONTENTSiINTRODUCTION PAGE I − 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SAFETY - SE
VGH SERIESOM−06132MAINTENANCE & REPAIRPAGE E − 8Do not attempt to separate the seal, this coulddamage the seal. Individual parts are not sold sep-
OM−06132VGH SERIESMAINTENANCE & REPAIR PAGE E − 9sleeve is just flush with the shaft shoulder. Securethe sleeve to the shaft with the setscrew (54
VGH SERIESOM−06132MAINTENANCE & REPAIRPAGE E − 10Do not fill the bearing cavity through the vent plugin the top of the housing. This will result i
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)iiBEARING TEMPERATURE CHECK PAGE C − 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VGH SERIESOM−06132PAGE I − 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman-Rupp pump.Read this manual carefully to learn how to safelyinsta
VGH SERIESOM−06132PAGE A − 1SAFETYSAFETY - SECTION AThis information applies to VGH Seriesbasic pumps. Gorman-Rupp has nocontrol over or particular kn
VGH SERIESOM−06132PAGE A − 2 SAFETYIf this pump is used with volatile and/orflammable liquids, overheating mayproduce dangerous fumes. Take pre-cautio
VGH SERIES OM−06132PAGE B − 1INSTALLATIONINSTALLATION − SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identi
OM−06132 VGH SERIESPAGE B − 2 INSTALLATIONMountingLocate the pump in an accessible place as close aspractical to the liquid being pumped. Level mount-
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