GORMAN-RUPP PUMPS PRIME-AIRE Series Maintenance And Repair With Troubleshooting

Including 610n60-(sae 2/11.5) and 610n60-(sae 3/11.5) pump ends

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PUBLICATION NUMBER MR−05702

May 14, 2004

Rev. A 11-20-06

PRIME-AIRE

SERIES

PA8A60 And PA10A60 Models

Including

610N60-(SAE 2/11.5) And

610N60-(SAE 3/11.5) Pump Ends

THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO

GORMAN-RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Printed in U.S.A.

www.gormanrupp.com

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Summary of Contents for GORMAN-RUPP PUMPS PRIME-AIRE Series

Page 1 PUBLICATION NUMBER MR−05702 May 14, 2004 Rev. A 11-20-06 PRIME-AIRE SERIES PA8A60 And PA10A60 Models Including 610N60-(SAE 2/11.5) And 610N60-(SAE 3/11.5) Pump Ends THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. www.gormanrupp.com Copyright by the Gorman-Rupp Company...
Page 2 Register your new Gorman-Rupp pump online at www.grpumps.com Valid serial number and e-mail address required. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below.
Page 3 PA SERIES PUMPS MR−05702 INTRODUCTION Thank You for purchasing a Gorman-Rupp Prime- As described on the following page, this manual Aire Series priming-assisted pump. Read this will alert personnel to known procedures which re- manual carefully to learn how to safely maintain quire special attention, to those which could dam- and service your pump.
Page 4 MR−05702 PA SERIES PUMPS CONTENTS (Cont’d) Securing Intermediate And Drive Assembly To Engine ......PAGE C − 15 Seal Reassembly And Installation .
Page 5 PA SERIES PUMPS MR−05702 SAFETY − SECTION A following information applies 2. Lock out or disconnect the power throughout this manual to Gorman- source to ensure that the pump will Rupp Prime Aire Series pumps. remain inoperative. 3. Allow the pump to completely cool This manual will alert personnel to if overheated.
Page 6 MR−05702 PA SERIES PUMPS Use only replacement parts provided or After the pump has been installed, make approved by Gorman-Rupp. Use of non- certain that the pump and all piping or authorized parts may result in damage to hose connections are tight, properly the equipment and/or injury to personnel supported and secure before operation.
Page 7 PA SERIES PUMPS MR−05702 safe operating limits that should not be the power source. Do not run the pump exceeded. Refer to the pump Perfor- if the voltage is not within the limits. mance Curve for the maximum continu- ous operating speed. All electrical connections must be in ac- cordance with The National Electric Code and all local codes.
Page 8 MR−05702 PA SERIES PUMPS TROUBLESHOOTING − SECTION B Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Disconnect or lock out the power source to ensure that the pump will remain inoperative.
Page 9 MR−05702 PA SERIES PUMPS TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Eductor clogged. Check and clean eductor. PUMP STOPS OR FAILS TO DELIVER Air leak in suction line. Correct leak. RATED FLOW OR Lining of suction hose collapsed. Replace suction hose. PRESSURE Leaking or worn seal or pump gasket.
Page 10 MR−05702 PA SERIES PUMPS TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Cavitation in pump. Reduce suction lift and/or friction EXCESSIVE NOISE losses in suction line. Record vac- uum and pressure gauge readings and consult local representative or factory. Pumping entrained air. Locate and eliminate source of air bubble.
Page 11 MR−05702 PA SERIES PUMPS Preventive Maintenance Schedule Service Interval* Item Daily Weekly Monthly Semi- Annually Annually General Condition (Temperature, Unusual Noises or Vibrations, Cracks, Leaks, Loose Hardware, Etc.) Pump Performance (Gauges, Speed, Flow) Bearing Lubrication Seal Lubrication (And Packing Adjustment, If So Equipped) V-Belts (If So Equipped) Air Release Valve Plunger Rod (If So Equipped)
Page 12 MR−05702 PA SERIES PUMPS PUMP MAINTENANCE AND REPAIR − SECTION C Review all SAFETY information in Section A. structions within this manual are limited to the pump hydraulic, priming and drive components Follow the instructions on all tags, label and de- only.
Page 13 MR−05702 PA SERIES PUMPS SECTION DRAWING NOTE: Model PA8A60−6068T SU Consists of Pump Model Assembly PA10A60−(3/11.5) SU With a 10" x 8" Discharge Reducer. Figure C−1. PA10A60−(3/11.5) SU And PA10A60−(SAE 2/11.5) Pump Model Assemblies PAGE C − 2 MAINTENANCE & REPAIR...
Page 14 MR−05702 PA SERIES PUMPS PA10A60−(3/11.5) SU And PA10A60−(SAE 2/11.5) Pump Model Assemblies Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME 610N60−(SAE 3/11.5) PUMP END ASSEMBLY 610N60−(SAE 2/11.5) PUMP END ASSEMBLY PRIMING CHAMBER ASSY GASKET HEX HD CAPSCREW...
Page 15 MR−05702 PA SERIES PUMPS SECTION DRAWING Figure C−2. PA10A60−(SAE 3/11.5) Pump Model Assembly PAGE C − 4 MAINTENANCE & REPAIR...
Page 16 MR−05702 PA SERIES PUMPS PA10A60−(SAE 3/11.5) Pump Model Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME 610N60−(SAE 3/11.5) PUMP END ASSEMBLY PRIMING CHAMBER ASSY CHECK VALVE GASKET HEX HD CAPSCREW HEX NUT LOCKWASHER...
Page 17 MR−05702 PA SERIES PUMPS SECTION DRAWING Figure C−3. 610N60−(SAE 2/11.5) And 610N60−(SAE 3/11.5) Pump End Assemblies PAGE C − 6 MAINTENANCE & REPAIR...
Page 18 MR−05702 PA SERIES PUMPS 610N60−(SAE 2/11.5) And 610N60−(SAE 3/11.5) Pump End Assemblies Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART ITEM PART NAME NAME PUMP CASING BEARING CVR GASKET IMPELLER SIGHT GAUGE SEAL ASSY...
Page 19 MR−05702 PA SERIES PUMPS SECTION DRAWING Figure C−4. Drive Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME COUPLING W/O BUSHING BUSHING SOCKET HD CAPSCREW LOCKWASHER HEX HD CAPSCREW LOCKWASHER PAGE C −...
Page 20 MR−05702 PA SERIES PUMPS SECTION DRAWING Figure C−5. Priming Chamber Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART ITEM PART NAME NAME PRIMING VALVE LOCK WASHER −ORIFICE BUTTON PRIMING CHAMBER LID HEX HD CAPSCREW LINEAR O-RING...
Page 21 MR−05702 PA SERIES PUMPS PUMP AND SEAL DISASSEMBLY any procedures not addressed in this manual are performed only after estab- AND REASSEMBLY lishing that neither personal safety nor pump integrity are compromised by Review all SAFETY information in Section A. such practices.
Page 22 MR−05702 PA SERIES PUMPS certain that they are positioned so as The flapper and gasket are the only serviceable parts of the check valve. If the flapper requires re- not to damage the pump, and so that the placement, remove the hardware securing the load will be balanced.
Page 23 MR−05702 PA SERIES PUMPS move the hardware (35 and 36) securing the suc- Move the pump end to a clean, well equipped shop tion head to the wear ring. area for further disassembly. Use a set of pry bars or large screwdrivers to pry Draining Oil From Seal Cavity the suction head and wear plate out of the volute casing.
Page 24 MR−05702 PA SERIES PUMPS Seal Removal Turn Counterclockwise (Figures C−3 and C−7) Slide the impeller adjusting shims (4) off the impel- ler shaft. Tie and tag the shims or measure and re- cord their thickness for ease of reassembly. Lathe Dog Arm Remove the seal spring.
Page 25 MR−05702 PA SERIES PUMPS After removing the shaft and bearings, clean and If bearing replacement is required, remove the re- inspect the bearings in place as follows. taining ring (21) and thrust washer (23). Use a bearing puller to remove the inboard and outboard bearings (18 and 31) from the shaft.
Page 26 MR−05702 PA SERIES PUMPS If heating the bearings is not practical, use a suit- Securing Intermediate And Drive Assembly To ably sized sleeve, and an arbor (or hydraulic) press Power Source to install the bearings on the shaft. (Figure C−4) Install the shaft key (19, Figure C−3) in the shaft keyway.
Page 27 MR−05702 PA SERIES PUMPS Using a suitable lifting device, position the as- precautions printed on solvent contain- sembled rotating assembly and coupling so the ers. flexible portion of the coupling seats inside the out- The seal is not normally reused because wear pat- er ring attached to the flywheel.
Page 28 MR−05702 PA SERIES PUMPS SPRING RETAINER O-RING STATIONARY SEAT IMPELLER SHIMS STATIONARY ELEMENT IMPELLER SHAFT ROTATING ELEMENT IMPELLER SEAL PLATE BELLOWS Figure C−7. Seal Assembly Impeller Installation And Adjustment (Figure C−3) Inspect the impeller (2) and replace it if cracked or This seal is not designed for operation at badly worn.
Page 29 MR−05702 PA SERIES PUMPS A clearance of .025 to .040 inch (0,64 to 1,02 mm) tion detail for your pump in Figure C−3. Secure the between the impeller and the seal plate is neces- suction head to the pump casing with the hard- sary for maximum pump efficiency.
Page 30 MR−05702 PA SERIES PUMPS Priming Chamber Assembly And Installation line on the sight gauge (25). Check the oil level reg- ularly and refill as required. When lubricating a dry (Figure C−5) seal cavity, add approximately approximately 112 U.S. ounces (3,3 liters) of oil to level indicated. If the priming chamber lid (8) was removed, install the linear O-ring (9) using 3M Scotchgrip No.847"...
Page 31 For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419−755−1280 International: +1−419−755−1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519−631−2870 THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...

This manual is also suitable for:

Pa8a60 series Pa10a60 series