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

Including model 66e pump end

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Maintenance and repair manual (33 pages)

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Use With: OM−04402

PUBLICATION NUMBER MR−05861

April 4, 2006

PRIME-AIRE

SERIES

PA6A Model Pumps

(Including Model 66E Pump End)

THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO

GORMAN-RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Printed in U.S.A.

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

Page 1 Use With: OM−04402 PUBLICATION NUMBER MR−05861 April 4, 2006 PRIME-AIRE SERIES PA6A Model Pumps (Including Model 66E Pump End) THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...
Page 2 Register your new Gorman-Rupp pump online at www.grpumps.com/register. 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 MR−05861 PA SERIES PUMPS INTRODUCTION Thank You for purchasing a Gorman-Rupp Prime- As described on the following page, this manual AireR 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−04821 PA SERIES PUMPS CONTENTS (Cont’d) Pump Casing And Wear Plate Installation ........PAGE C −...
Page 5 MR−05861 PA SERIES PUMPS SAFETY − SECTION A following information applies precautions to ensure that the throughout this manual to Gorman- pump will remain inoperative. Rupp Prime Airet Series pumps. 3. Allow the pump to completely cool if overheated. This manual will alert personnel to 4.
Page 6 PA SERIES PUMPS MR−05861 certain that the pump and all piping or approved by Gorman-Rupp. Use of non- hose connections are tight, properly authorized parts may result in damage to supported and secure before operation. the equipment and/or injury to personnel and will invalidate the warranty.
Page 7 MR−05861 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. Shut down the engine and discon- nect the positive battery cable and take precautions to ensure that the pump will remain inoperative.
Page 8 MR−05861 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 9 MR−05861 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 10 MR−05861 PA SERIES PUMPS PUMP MAINTENANCE AND REPAIR − SECTION C Review all SAFETY information in Section A. pump hydraulic, priming and drive components only. The pump assembly may be close-coupled to Follow the instructions on all tags, label and de- either a factory-supplied or customer-supplied en- cals attached to the pump.
Page 11 MR−05861 PA SERIES PUMPS SECTION DRAWING Figure C−1. PA6A60−(SAE4/10) Pump Assembly PAGE C − 2 MAINTENANCE & REPAIR...
Page 12 MR−05861 PA SERIES PUMPS PA6A60−(SAE 4/10) Pump Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME 66E60−(SAE 4/10) PUMP END ASSEMBLY PUMP CASING GASKET STUD HEX NUT CHECK VALVE ASSY STUD HEX NUT GASKET...
Page 13 MR−05861 PA SERIES PUMPS SECTION DRAWING PUMP CASING FRONT VIEW Figure C−2. 66E60−(SAE4/10) Pump Assembly PAGE C − 4 MAINTENANCE & REPAIR...
Page 14 MR−05861 PA SERIES PUMPS 66E60−(SAE4/10) Pump Assembly 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 FLAT HEAD MACHINE SCREW IMPELLER O-RING −SPRING RETAINER SEAL PLATE PIPE PLUG WEAR PLATE ASSEMBLY...
Page 15 MR−05861 PA SERIES PUMPS SECTION DRAWING Figure C−3. SAE 4/10 Drive Assembly PAGE C − 6 MAINTENANCE & REPAIR...
Page 16 MR−05861 PA SERIES PUMPS SAE 4/10 Drive Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME COUPLING KIT −BUSHING −COUPLING ASSEMBLY −LOCKWASHER −SOCKET HEAD CAPSCREW HEX HEAD CAPSCREW LOCKWASHER MAINTENANCE &...
Page 17 MR−05861 PA SERIES PUMPS SECTION DRAWING Figure C−4. Priming Chamber Assembly ITEM PART NAME PRIMING VALVE −ORIFICE BUTTON HEX HD CAPSCREW LOCKWASHER STRAINER ASSY PRIMING CHAMBER PRIMING VALVE GASKET PAGE C − 8 MAINTENANCE & REPAIR...
Page 18 MR−05861 PA SERIES PUMPS PUMP AND SEAL DISASSEMBLY the owner/maintenance personnel to ensure that only safe, established main- AND REASSEMBLY tenance procedures are used, and that any procedures not addressed in this Review all SAFETY information in Section A. manual are performed only after estab- lishing that neither personal safety nor Follow the instructions on all tags, label and de- pump integrity are compromised by...
Page 19 MR−05861 PA SERIES PUMPS piping must be removed from the pump If the priming valve float is stuck or the strainer (5) is clogged, it can usually be cleaned without further before lifting. If chains or cables are disassembly. used to lift pump components, make certain that they are positioned so as The only serviceable part of the priming valve is the not to damage the pump, and so that the...
Page 20 MR−05861 PA SERIES PUMPS death could result. Suction and dis- the end of the hose and rest the bottle oiler in a ver- tical position to prevent the oil from spilling. charge hoses and piping must be re- moved from the pump before lifting. Impeller Removal Remove the hardware (not shown) securing the (Figure C−2)
Page 21 MR−05861 PA SERIES PUMPS Separating Intermediate And Drive Assembly seal (18), and thrust washer (13). Press the oil seal From Engine from the bearing cap. (Figure C−3) Place a block of wood against the impeller end of the shaft (20) and tap the shaft and assembled If it is necessary to separate the intermediate and bearings from the intermediate.
Page 22 MR−05861 PA SERIES PUMPS Rotate the bearings by hand to check for rough- the shaft, it is recommended that bearings ness or binding and inspect the bearing balls. If ro- be cleaned and inspected in place. It is tation is rough or the bearing balls are discolored, strongly recommended that the bearings replace the bearings.
Page 23 MR−05861 PA SERIES PUMPS ly positioned on the shaft. The heads of the caps- crews in the center of the coupling must be posi- tioned toward the pump end of the shaft. When installing the bearings onto the Align the keyway in the bushing (2) with the shaft shaft, never press or hit against the outer key, and slide it onto the shaft until it is just flush race, balls, or ball cage.
Page 24 MR−05861 PA SERIES PUMPS lubricant such as vegetable oil or glycerin, or a sili- during reassembly. This could result in premature con-based lubricant such as WD40" or equivalent. failure. If necessary to reuse an old seal in an emer- Do not use petroleum-based lubricants, or any oth- gency, carefully wash all metallic parts in fresh er substance which may soften or otherwise dam- cleaning solvent and allow to dry thoroughly.
Page 25 MR−05861 PA SERIES PUMPS SEAL PLATE SEAL PLATE COVER RETAINER SPRING O-RINGS SPRING RETAINER IMPELLER SHAFT SLEEVE IMPELLER SHAFT OIL SEALS IMPELLER SHIMS DRIVE BAND BELLOWS STATIONARY SEAT ROTATING ELEMENT STATIONARY ELEMENT Figure C−6. Seal Assembly shaft shoulder. Position the seal plate against the intermediate with the air vent (33) toward the top and temporarily secure the seal plate to the inter- mediate with two capscrews and nuts (1/2 UNC by...
Page 26 MR−05861 PA SERIES PUMPS Lubricate the seal as indicated in LUBRICATION, Remove the two capscrews temporarily holding after the impeller has been installed. the seal plate and install the same thickness of cas- ing gaskets (6) as previously removed. Secure the seal plate and pump casing to the intermediate Impeller Installation And Adjustment with the nuts (8).
Page 27 MR−05861 PA SERIES PUMPS hardware (6 and 7) secure the discharge check dry seal cavity, add approximately 3 quarts (2,8 L) valve assembly and gasket (8) to the pump assem- of oil through the air vent (33) to level indicated. bly (1).
Page 28 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:

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