GORMAN-RUPP PUMPS PA6A Series Maintenance And Repair With Troubleshooting Download Page 1

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PUBLICATION NUMBER MR−05861

April 4, 2006

Use With: OM−04402

THE GORMAN-RUPP COMPANY

MANSFIELD, OHIO

GORMAN-RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Printed in U.S.A.

PRIME-AIRE

SERIES

PA6A Model Pumps

(Including Model 66E Pump End)

Summary of Contents for PA6A Series

Page 1: ...06 Use With OM 04402 THE GORMAN RUPP COMPANY D MANSFIELD OHIO GORMAN RUPP OF CANADA LIMITED D ST THOMAS ONTARIO CANADA Printed in U S A ECopyright by the Gorman Rupp Company PRIME AIRER SERIES PA6A Mo...

Page 2: ...ERIAL NUMBER Please record your pump model and serial number in the spaces provided below Your Gorman Rupp distributor needs this information when you require parts or service Pump Model Serial Number...

Page 3: ...to personnel However this manual cannot possibly anticipate and provide detailed precau tions for every situation that might occur during maintenance of the unit Therefore it is the respon sibility of...

Page 4: ...iginal factory specifications the war ranty will become void and any claim will be de nied The following are used to alert personnel to procedures which require special attention to those which could...

Page 5: ...could lead to de struction of equipment injury or death to personnel Before attempting to open or service the pump 1 Familiarize yourself with this man ual 2 Shut down the engine disconnect the positi...

Page 6: ...using severe in jury to personnel Use only replacement parts provided or approved by Gorman Rupp Use of non authorized parts may result in damage to the equipment and or injury to personnel and will i...

Page 7: ...bro ken Check and repair replace Eductor safety valve leaking Check and replace safety valve Pump speed too slow Check driver output consult driver operation manual Eductor clogged Check and clean ed...

Page 8: ...e and run engine at maximum governed speed Discharge flow too slow Dilute if possible Suction check valve or foot valve clogged or binding Clean valve Suction intake not submerged at proper level or s...

Page 9: ...ature regu larly to monitor any increase Check belt tension Adjust as required Excessive tension on drive belt EXCESSIVE NOISE Cavitation in pump Reduce suction lift and or friction losses in suction...

Page 10: ...oupled to either a factory supplied or customer supplied en gine Maintenance of engines and factory supplied air compressors are detailed in separate literature provided by the manufacturer s Check TR...

Page 11: ...PA SERIES PUMPS MR 05861 MAINTENANCE REPAIR PAGE C 2 SECTION DRAWING Figure C 1 PA6A60 SAE4 10 Pump Assembly...

Page 12: ...enance of engines and factory supplied air compressors are detailed in separate literature provided by the manufacturer s MR 05861 PA SERIES PUMPS MAINTENANCE REPAIR PAGE C 3 PA6A60 SAE 4 10 Pump Asse...

Page 13: ...PA SERIES PUMPS MR 05861 MAINTENANCE REPAIR PAGE C 4 SECTION DRAWING PUMP CASING FRONT VIEW Figure C 2 66E60 SAE4 10 Pump Assembly...

Page 14: ...ING 13 THRUST WASHER 14 BEARING COVER GASKET 15 BEARING CAP 16 HEX HEAD CAPSCREW 17 LOCKWASHER 18 OIL SEAL 19 SHAFT KEY 20 IMPELLER SHAFT 21 INTERMEDIATE 22 BRG CAVITY DRAIN PLUG 23 OIL SEAL 24 SEAL P...

Page 15: ...PA SERIES PUMPS MR 05861 MAINTENANCE REPAIR PAGE C 6 SECTION DRAWING Figure C 3 SAE 4 10 Drive Assembly...

Page 16: ...PAGE C 7 SAE 4 10 Drive Assembly Part Identification List Refer to the separate Parts List Manual for serviceable parts part numbers and quantities 1 COUPLING KIT 2 BUSHING 3 COUPLING ASSEMBLY 4 LOCKW...

Page 17: ...ERIES PUMPS MR 05861 MAINTENANCE REPAIR PAGE C 8 SECTION DRAWING Figure C 4 Priming Chamber Assembly 1 PRIMING VALVE 2 ORIFICE BUTTON 3 HEX HD CAPSCREW 4 LOCKWASHER 5 STRAINER ASSY 6 PRIMING CHAMBER 7...

Page 18: ...an and reinstall the drain plug This manual will alert personnel to known procedures which require spe cial attention to those which could damage equipment and to those which could be dangerous to per...

Page 19: ...ing valve float is stuck or the strainer 5 is clogged it can usually be cleaned without further disassembly The only serviceable part of the priming valve is the orifice button 2 If liquid continues t...

Page 20: ...lamp 39 and pull the hose 38 off the connector 37 at the tee 44 Plug the end of the hose and rest the bottle oiler in a ver tical position to prevent the oil from spilling Impeller Removal Figure C 2...

Page 21: ...ld is not recommended These operations should be performed only in a properly e quipped shop by qualified personnel Remove the intermediate drain plug 22 and drain the lubricant Clean and reinstall th...

Page 22: ...heat the bearings Bear ings should never be heated with a direct flame or directly on a hot plate NOTE If a hot oil bath is used to heat the bearings both the oil and the container must be absolutely...

Page 23: ...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 Align the keyway in the bushing 2 with the shaft key and slide it onto the s...

Page 24: ...ecessary to reuse an old seal in an emer gency carefully wash all metallic parts in fresh cleaning solvent and allow to dry thoroughly Handle the seal parts with extreme care to prevent damage Be care...

Page 25: ...d toward the intermediate side of the cover Slide the assembled shaft sleeve and seal plate onto the shaft until the sleeve seats against the shaft shoulder Position the seal plate against the interme...

Page 26: ...ware 29 and 30 Remove the two capscrews temporarily holding 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 interm...

Page 27: ...emoved hardware Reconnect the suction piping to the hopper spool and the air discharge tubing to the priming cham ber assembly LUBRICATION Figure C 2 Seal Assembly Fill the bottle oiler 35 to the line...

Page 28: ...rpumps 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 MANSFI...

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