GORMAN-RUPP PUMPS PRIME-AIRE PA6D Manual

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Use With: OM -- 04402

PUBLICATION NUMBER MR-- 05112

June 5, 2000

Rev. B 01-10-03

PRIME-AIRER R R R SERIES

PA6D Pumps

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 PA6D

Page 1 Use With: OM -- 04402 PUBLICATION NUMBER MR-- 05112 June 5, 2000 Rev. B 01-10-03 PRIME-AIRER R R R SERIES PA6D Pumps 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 The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.
Page 3 MR-- 05112 PA SERIES PUMPS INTRODUCTION Thank You for purchasing a Gorman-Rupp Prime- quire special attention, to those which could dam- AireR Series priming-assisted pump. Read this age equipment, and to those which could be dan- manual carefully to learn how to safely maintain gerous to personnel.
Page 4 PA SERIES PUMPS MR-- 05112 CONTENTS (Cont’d) Seal Reassembly and Installation ......... . . PAGE C --- 17 Impeller Installation And Adjustment .
Page 5 MR-- 05112 PA SERIES PUMPS SAFETY --- SECTION A following information applies gine driven units) or lock out and throughout this manual to Gorman- tag out incoming power to the con- Rupp Prime AireR Series pumps. trol box (electric motor driven units) and take precautions to en- This manual will alert personnel to sure that the pump will remain in-...
Page 6 PA SERIES PUMPS MR-- 05112 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 MR-- 05112 PA SERIES PUMPS safe operating limits that should not be exceeded. Refer to the pump Perfor- mance Curve for the maximum continu- ous operating speed. SAFETY PAGE A -- 3...
Page 8 MR-- 05112 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 (en- gine driven units) or lock out and tag out incoming power to the control box (electric motor driven units) and...
Page 9 MR-- 05112 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-- 05112 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-- 05112 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-- 05112 PA SERIES PUMPS This page intentionally blank. TROUBLESHOOTING PAGE B -- 5...
Page 13 MR-- 05112 PA SERIES PUMPS PUMP MAINTENANCE AND REPAIR --- SECTION C Review all SAFETY information in Section A. only. The pump assembly may be close-coupled to either a factory-supplied or customer-supplied en- Follow the instructions on all tags, label and de- gine or motor.
Page 14 MR-- 05112 PA SERIES PUMPS SECTION DRAWING Figure C---1. PA6D60 Pump Model Assembly PAGE C -- 2 MAINTENANCE & REPAIR...
Page 15 MR-- 05112 PA SERIES PUMPS PA6D60 Pump Model Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME PUMP END ASSEMBLY HEX HD CAPSCREW GASKET PRIMING CHAMBER ASSY NOTE: Maintenance instructions in this manual are limited to the pump hydrau- lic, priming and drive components only.
Page 16 MR-- 05112 PA SERIES PUMPS SECTION DRAWING SHAFT END VIEW Figure C---2. PA6D60 Pump End Assembly PAGE C -- 4 MAINTENANCE & REPAIR...
Page 17 MR-- 05112 PA SERIES PUMPS PA6D60 Pump End 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 PIPE PLUG STUD NIPPLE LOCKWASHER WEAR PLATE O-RING HEX NUT WEAR PLATE O-RING SUCTION SPOOL...
Page 18 MR-- 05112 PA SERIES PUMPS SECTION DRAWING Figure C---3. PA6D60 Rotating Assembly PAGE C -- 6 MAINTENANCE & REPAIR...
Page 19 MR-- 05112 PA SERIES PUMPS PA6D60 Rotating Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME IMPELLER SEAL ASSEMBLY INBOARD BEARING BEARING HOUSING VENTED PLUG AIR VENT RED PIPE BUSHING OUTBOARD BEARING DRIVE FLANGE IMPELLER SHAFT...
Page 20 MR-- 05112 PA SERIES PUMPS SECTION DRAWING Figure C---4. Drive Assembly (Engine Driven Unit) PAGE C -- 8 MAINTENANCE & REPAIR...
Page 21 MR-- 05112 PA SERIES PUMPS Drive Assembly (Engine Driven Unit) Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME COUPLING ASSEMBLY BUSHING ---KEY DRIVE FLANGE (REF) IMPELLER SHAFT (REF) LOCKWASHER SOC HD CAPSCREW HEX HD CAPSCREW...
Page 22 MR-- 05112 PA SERIES PUMPS SECTION DRAWING Figure C---5. Peeler Type Priming Valve PAGE C -- 10 MAINTENANCE & REPAIR...
Page 23 MR-- 05112 PA SERIES PUMPS Peeler Type Priming Valve Part Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART ITEM PART NAME NAME PRIMING CHAMBER LID PRIMING CHAMBER PEELER VALVE NECK GUIDE PLATE LOCKWASHER FLAT HEAD CAPSCREW...
Page 24 MR-- 05112 PA SERIES PUMPS PUMP AND SEAL DISASSEMBLY manual are performed only after estab- lishing that neither personal safety nor AND REASSEMBLY pump integrity are compromised by such practices. Review all SAFETY information in Section A. Follow the instructions on all tags, label and de- cals attached to the pump.
Page 25 MR-- 05112 PA SERIES PUMPS piping must be removed from the pump To remove the check valve assembly (19), disen- before lifting. If chains or cables are gage the hardware (3 and 4). Remove the peeler valve neck (2) and check valve assembly. used to lift pump components, make certain that they are positioned so as Inspect the check valve components.
Page 26 MR-- 05112 PA SERIES PUMPS Remove the hardare (3 and 4). Use a pair of pry It is not necessary to remove the outer ring of the bars or large screwdrivers to pry the suction spool coupling from the engine flywheel unless the cou- and wear plate from the volute.
Page 27 MR-- 05112 PA SERIES PUMPS tion of the seal (consisting of the bellows, retainer, Turn and rotating element) off the shaft as a unit. Counterclockwise Apply oil to the sleeve and work it up under the rub- ber bellows. Slide the rotating portion of the seal off the sleeve.
Page 28 MR-- 05112 PA SERIES PUMPS Place a block of wood against the impeller end of Rotate the bearings by hand to check for rough- the shaft (11) and tap the shaft and assembled ness or binding and inspect the bearing balls. If ro- bearings from the intermediate.
Page 29 MR-- 05112 PA SERIES PUMPS the oil has been previously used, it must be thor- face of the oil seal should be just flush with the oughly filtered. outer face of the drive flange. Install the drive flange gasket (16). Apply “Loctite Heat the bearings to a uniform temperature no Retaining Compound No.
Page 30 MR-- 05112 PA SERIES PUMPS ponents are worn, replace the complete seal; matter. never mix old and new seal parts. To ease installation of the seal, lubricate the O- rings and bellows with water or a very small If a replacement seal is being used, remove it from amount of oil, and apply a drop of light lubricating the container and inspect the precision finished oil on the finished faces.
Page 31 MR-- 05112 PA SERIES PUMPS Suction Spool And Wear Plate Installation Slide the sleeve and subassembled seal onto the shaft until the seal faces contact. Continue to push (Figure C-- 2) the sleeve through the seal until the undercut end seats against the O-ring and shaft shoulder.
Page 32 MR-- 05112 PA SERIES PUMPS is secured to the engine bellhousing, with- assembly mounting hardware (16 and 17). As- semble the shims (18) into sets equalling this di- out pre-loading the bearings. mension plus .010 to .012 inch (0,25 and 0,3 mm). This will ensure the proper impeller-to-wear plate With the flexible portion of the coupling and the clearance.
Page 33 MR-- 05112 PA SERIES PUMPS must be positioned away from the bracket assem- (Figure C-- 1) bly. Install the gasket (3) and use a sling and suitable lifting device to position the priming chamber as- Position the priming chamber lid (1) upside down sembly against the pump suction spool (5, Figure on a flat work surface.
Page 34 MR-- 05112 PA SERIES PUMPS Remove the rotating assembly mounting hardware When lubricating a dry (overhauled) bearing hous- (16 and 17). Remove the adjusting shims (18), rein- ing, fill the bearing cavity with approximately 40 stall and fully tighten the rotating assembly mount- ounces (1,2 liters) of oil.
Page 35 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...

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