OM-06553-01February 27, 2013ACDEUTHE GORMAN‐RUPP COMPANY MANSFIELD, OHIOGORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U
PA SERIES OM-06553PAGE B - 3INSTALLATIONthe brake and blocking the wheels before attempting to operate the pump.If the pump has been mounted on a mov
OM-06553 PA SERIESPAGE B - 4 INSTALLATIONSealingSince even a slight leak will affect priming, head,and capacity, especially when operating with ahigh
PA SERIES OM-06553PAGE B - 5INSTALLATIONFigure 2. Recommended Minimum Suction Line Submergence vs. VelocityDISCHARGE LINESSiphoningDo not terminate t
OM-06553 PA SERIESPAGE B - 6 INSTALLATIONFloat Switch InstallationThe Float Switch autostart system employs either asingle or double float switch, whe
OM-06553PAH SERIESOPERATION PAGE C - 1OPERATION - SECTION CReview all SAFETY information in Section A.Follow the instructions on all tags, labels andd
OM-06553 PAH SERIESOPERATIONPAGE C - 2box to the “MANUAL” position, then press and holdthe “ENTER” button until the engine starts.Pump speed and opera
OM-06553PAH SERIESOPERATION PAGE C - 3This pump is equipped with automaticliquid level controls, and is subject toautomatic restart. Keep hands andclo
OM-06553 PAH SERIESOPERATIONPAGE C - 4After stopping the pump, switch off the engine ignition and remove the key to ensure that the pumpwill remain i
OM-06553PAH SERIESOPERATION PAGE C - 5conditions, change the filter more frequently. Irregular performance and loss of power usually indicate a dirt
TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP FAILS TOPRIMEStrainer clogged. Check strainer and clean if necessary.Suction lift or discharge head too hi
Register your newGorman‐Rupp pump online atwww.grpumps.comValid serial number and e‐mail address required.RECORD YOUR PUMP MODEL AND SERIAL NUMBERPlea
TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS ORFAILS TO DELIVERRATED FLOW ORPRESSURE (cont.)PUMP REQUIRESTOO MUCHPOWERPUMP CLOGSFREQUENTLYImpeller
TROUBLE POSSIBLE CAUSE PROBABLE REMEDYBEARINGS RUNTOO HOTBearing temperature is high, butwithin limits.Align drive properly.Drive misaligned.Check pip
OM-06553PA SERIESTROUBLESHOOTINGPAGE D - 4General Condition (Temperature, UnusualNoises or Vibrations, Cracks, Leaks,Loose Hardware, Etc.) IPump Perfo
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 1PUMP MAINTENANCE AND REPAIR - SECTION EMAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WIL
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 2PARTS PAGEILLUSTRATIONFigure 1. Pump Model PA6C60-QSB4.5P
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 3Pump Model PA6C60-QSB4.5PPARTS LIST(From S/N 1537244 Up)ITEM NO.PART NAMEPART NUMBERMAT'LCODE
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 4ILLUSTRATIONFigure 2. 46143-156 Power Unit Kit
ITEM NO.PART NAME PART NUMBERMAT'LCODEQTY ITEM NO.PART NAME PART NUMBERMAT'LCODEQTYOM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 5PARTS
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 6ILLUSTRATIONFigure 3. PA6C60-(SAE 3/10) Pump Assembly
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 7PA6C60-(SAE 3/10) Pump AssemblyPARTS LISTITEM NO.PART NAMEPART NUMBERMAT'LCODEQTY1 66F60-(SAE
TABLE OF CONTENTSiINTRODUCTION PAGE I - 1...SAFETY ‐ SECTION A PAGE A - 1...
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 8ILLUSTRATIONFigure 4. 66F60-(SAE 3/10) Pump End Assembly
ITEM NO.PART NAME PART NUMBERMAT'LCODEQTY ITEM NO.PART NAME PART NUMBERMAT'LCODEQTYOM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 9PARTS
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 10ILLUSTRATIONFigure 5. 44163-504 Repair Rotating Assembly
ITEM NO.PART NAME PART NUMBERMAT'LCODEQTY ITEM NO.PART NAME PART NUMBERMAT'LCODEQTYOM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 11PART
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 12ILLUSTRATIONFigure 6. 48275-005 Priming Chamber KitITEM NO.PART NAMEPART NUMBERMAT'LCODEQTY1
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 13ILLUSTRATIONFigure 7. 46112-709 Priming Chamber AssemblyPARTS LISTITEM NO.PART NAMEPART NUMBERMAT
OM-06553 PA SERIESMAINTENANCE & REPAIRPAGE E - 14ILLUSTRATIONFigure 8. 44162-159 Drive AssemblyITEM NO.PART NAMEPART NUMBERMAT'LCODEQTY1 COUP
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 15PUMP AND SEAL DISASSEMBLYAND REASSEMBLYReview all SAFETY information in Section A.Follow the inst
PA SERIESOM-06553MAINTENANCE & REPAIRPAGE E - 16a sling and a suitable lifting device. Remove thehardware (6 and 7) and separate the primingchambe
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 17pling must be replaced. To remove the ring, disengage the hardware (5 and 6) securing it to the
TABLE OF CONTENTS(continued)iiPARTS LIST:Pump Model PAGE E - 3...Pump Assembly PAGE E - 5...
PA SERIESOM-06553MAINTENANCE & REPAIRPAGE E - 18Impeller Removal(Figure 5)With the rotating assembly removed from thepump casing, unscrew the impe
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 19flammable. Use them only in a well ventilated area free from excessive heat,sparks, and flame. R
PA SERIESOM-06553MAINTENANCE & REPAIRPAGE E - 20Slide the shaft and assembled bearings into the intermediate bore until the inboard bearing is fu
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 21Do not use petroleum‐based lubricants, or any other substance which may soften or otherwise dam
PA SERIESOM-06553MAINTENANCE & REPAIRPAGE E - 22SEAL PLATEO‐RINGSIMPELLERSHAFTSTATIONARYSEATROTATINGELEMENTDRIVE BANDBELLOWSIMPELLERSHIMSIMPELLERS
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 23The shaft and impeller threads must becompletely clean before reinstalling the impeller. Even th
PA SERIESOM-06553MAINTENANCE & REPAIRPAGE E - 24adjusting screws so the holes in the collars for thelocking screws align approximately with the ho
OM-06553PA SERIESMAINTENANCE & REPAIR PAGE E - 25LUBRICATION(Figure 5)Seal AssemblyFill the seal cavity through the hole for the ventedplug (8) wi
For U.S. and International Warranty Information,Please Visit www.grpumps.com/warrantyor call:U.S.: 419-755-1280International: +1-419-755-1352For Canad
OM-06553PA SERIESPAGE I - 1INTRODUCTIONINTRODUCTIONThank You for purchasing a Gorman‐Rupp pump.Read this manual carefully to learn how to safelyinstal
PA SERIESOM-06553PAGE A - 1SAFETYSAFETY ‐ SECTION AThis information applies to Prime AireSeries pumps. Refer to the manual accompanying the engine o
PA SERIESOM-06553PAGE A - 2 SAFETYheated pump. Vapor pressure within thepump can cause parts being disengaged to be ejected with great force. Allow
PA SERIES OM-06553PAGE B - 1INSTALLATIONINSTALLATION - SECTION BReview all SAFETY information in Section A.Since pump installations are seldom identic
OM-06553 PA SERIESPAGE B - 2 INSTALLATIONc. Carefully read all tags, decals, and markingson the pump assembly, and perform all dutiesindicated. Note t
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