GORMAN-RUPP PUMPS PA12A60-B-6068H Installation, Operation, And Maintenance Manual With Parts List
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GORMAN-RUPP PUMPS PA12A60-B-6068H Installation, Operation, And Maintenance Manual With Parts List

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OM-06296-01
September 4, 2009
Rev. C 2‐1‐2022
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIES PUMP
MODEL
PA12A60-B-6068H
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A
www.grpumps.com.
E
2009 The Gorman‐Rupp Company

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Summary of Contents for GORMAN-RUPP PUMPS PA12A60-B-6068H

  • Page 1 September 4, 2009 Rev. C 2‐1‐2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMP MODEL PA12A60-B-6068H THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A www.grpumps.com. 2009 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: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐...
  • Page 4 TABLE OF CONTENTS (continued) PARTS LIST: Pump Model Assembly ..........PAGE E - 3 Pump Assembly .

  • Page 5: Introduction

    OM-06296 PA SERIES INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. The following are used to alert personnel to proce­ Read this manual carefully to learn how to safely dures which require special attention, to those install and operate your pump. Failure to do so which could damage equipment, and to those could result in personal injury or damage to the which could be dangerous to personnel:...

  • Page 6: Safety - Section A

    PA SERIES OM-06296 SAFETY ‐ SECTION A This information applies to Prime Aire the positive battery cable before per­ forming any maintenance. Failure to do Series pumps. Refer to the manual ac­ so may result in serious personal injury. companying the engine or power source before attempting to begin oper­...
  • Page 7 OM-06296 PA SERIES components will deteriorate, and the liquid could come to a boil, build pres­ sure, and cause the pump casing to rup­ ture or explode. Momentary closure of a Make sure the pump is level. Lower jack discharge valve is acceptable only stands and chock the wheels, if so when required for startup or shutdown equipped.

  • Page 8: Installation - Section B

    See Figure 1 for the approximate physical dimen­ some of the information such as mounting, line sions of this pump. OUTLINE DRAWING Figure 1. Pump Model PA12A60-B-6068H PREINSTALLATION INSPECTION a. Inspect the pump for cracks, dents, damaged threads, and other obvious damage.

  • Page 9: Battery Installation

    OM-06296 PA SERIES c. Carefully read all tags, decals, and markings POSITIONING PUMP on the pump assembly, and perform all duties indicated. Note that the pump shaft rotates in the required direction. Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures Only operate this pump in the direction in­...

  • Page 10: Suction And Discharge Piping

    PA SERIES OM-06296 to secure them when filled with liquid and under pressure. Gauges If the pump has been mounted on a mov­ able base, do not attempt to operate the The pump is drilled and tapped for installing dis­ pump unless the unit is level.

  • Page 11: Sealing

    OM-06296 PA SERIES Sealing air to escape from the liquid before it is drawn into the suction inlet. Since even a slight leak will affect priming, head, If two suction lines are installed in a single sump, and capacity, especially when operating with a the flow paths may interact, reducing the efficiency high suction lift, all connections in the suction line of one or both pumps.

  • Page 12: Discharge Lines

    PA SERIES OM-06296 Figure 2. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES Siphoning If the application involves a high discharge head, gradually close the discharge Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si­ throttling valve before stopping the pump.

  • Page 13: Float Switch Installation

    OM-06296 PA SERIES Float Switch Installation pipe is available, attach the float switch cable to the standpipe in the sump at the approxi­ The Float Switch autostart system employs either a mate desired liquid level. single or double float switch, where a bulb raises or lowers (floats) with the liquid level, thus activating b.

  • Page 14: Operation - Section C

    OM-06296 PA SERIES OPERATION - SECTION C Review all SAFETY information in Section A. The pump will begin to prime upon startup. The air in the suction line will be discharged from the educ­ Follow the instructions on all tags, labels and tor discharge line.

  • Page 15: Automatic Starting

    OM-06296 PA SERIES Automatic Starting With the float system installed, follow the proce­ dures outlined for manual starting and throttle ad­ Allow an over‐heated pump to com­ justment. Switch the keyswitch to `OFF' until the pletely cool before servicing. Do not re­ water level rises above the on point for the float sys­...

  • Page 16: Bearing Temperature Check

    OM-06296 PA SERIES shock waves can be transmitted to the pump and A sudden increase in bearing temperatures is a piping system. Close all connecting valves slowly. warning that the bearings are at the point of failing to operate properly. Make certain that the bearing Reduce the throttle speed slowly and allow the en­...

  • Page 17: Troubleshooting - Section D

    OM-06296 PA SERIES TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. 5. Close the suction and discharge valves. 6. Vent the pump slowly and cau­ tiously. 7. Drain the pump. Before attempting to open or service the pump: 1.
  • Page 18 OM-06296 PA SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Check strainer and clean if neces­ Strainer clogged. PUMP STOPS OR FAILS TO DELIVER sary. RATED FLOW OR Check and clean check valve. Discharge check valve clogged. PRESSURE (cont.) Suction intake not submerged at Check installation and correct proper level or sump too small.

  • Page 19: Preventive Maintenance

    OM-06296 PA SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY BEARINGS RUN Bearing temperature is high, but Check bearing temperature regu­ TOO HOT within limits. larly to monitor any increase. Low or incorrect lubricant. Check for proper type and level of lubricant. Suction and discharge lines not prop­...
  • Page 20 OM-06296 PA SERIES 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) Front Impeller Clearance (Wear Plate)

  • Page 21: Pump Maintenance And Repair - Section E

    PA SERIES PUMP MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL PA12A60-B-6068H Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 22 OM-06296 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PA12A60-B-6068H PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 23 OM-06296 PA SERIES PARTS LIST Pump Model PA12A60-B-6068H (From S/N 1435345 Up) If your pump serial number is followed by an “N”, your pump is NOT a standard production model. Contact the Gorman‐Rupp Company to verify part numbers. ITEM PART...
  • Page 24 OM-06296 PA SERIES ILLUSTRATION VENTURI HOSE DETAIL Ì Ì Ì Î Î Î Î Î Ç Ç Î Î Î Ï Ï 28 23 21 Figure 2. Pump Subassembly PAGE E - 4 MAINTENANCE & REPAIR...
  • Page 25 OM-06296 PA SERIES PARTS LIST Pump Subassembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP MODEL ASSY 46133-726 FLANGED CAPSCREW 21634-515 HEX HEAD CAP SCREW B0806 15991 GUARD - PUMP END 34266-022 15120 LOCK WASHER J08 15991 HEX HEAD CAP SCREW B1211 15991 HEX NUT...
  • Page 26 OM-06296 PA SERIES ILLUSTRATION Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç SECTION B−B VENTURI VIEW LESS GUARD Figure 3. Pump Subassembly (cont'd) PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 27 OM-06296 PA SERIES PARTS LIST Pump Subassembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP MODEL ASSY 46133-726 FLANGED CAPSCREW 21634-515 HEX HEAD CAP SCREW B0806 15991 GUARD - PUMP END 34266-022 15120 LOCK WASHER J08 15991 HEX HEAD CAP SCREW B1211 15991 HEX NUT...
  • Page 28 OM-06296 PA SERIES ILLUSTRATION Figure 4. Engine Modification PAGE E - 8 MAINTENANCE & REPAIR...
  • Page 29 OM-06296 PA SERIES PARTS LIST Engine Modification ITEM PART PART NAME NUMBER JOHN DEERE 6068H ENGINE 29224-336 PEDESTAL ASSEMBLY 44167-506 HEX HEAD CAP SCREW B1007 15991 FLAT WASHER K10 15991 LOCK WASHER J10 15991 HEX NUT D10 15991 HEX HEAD CAP SCREW 22645-164 LOCK WASHER 21171-511...
  • Page 30 OM-06296 PA SERIES ILLUSTRATION Figure 5. Pump Assembly PAGE E - 10 MAINTENANCE & REPAIR...
  • Page 31 OM-06296 PA SERIES PARTS LIST Pump Assembly ITEM PART PART NAME NUMBER PUMP 46133-640 HEX HEAD CAP SCREW B1416 15991 LOCK WASHER J14 15991 HEX NUT D14 15991 CHECK VALVE 12" 26642-149 -FLAPPER 26688-003 -GASKET 26688-004 -O‐RING 25152-469 FLANGE GASKET 4991G 18000 PIPE PLUG P04 15079...
  • Page 32 OM-06296 PA SERIES ILLUSTRATION SEE FIG. 7 Figure 6. Pump End Assembly PAGE E - 12 MAINTENANCE & REPAIR...
  • Page 33 OM-06296 PA SERIES PARTS LIST Pump End Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING 38219-305 10010 ROLLER BEARING 23528-005 IMPELLER 38621-809 11010 BEARING CAP 38322-425 10010 AIR VENT S1703 SEAL ASSY 46512-109 STUD C1013 15991 BEARING CAP O‐RING 25151-266 STUD...
  • Page 34 OM-06296 PA SERIES ILLUSTRATION SEE FIG. 6 Figure 7. Pump End Assembly (Cont'd) PAGE E - 14 MAINTENANCE & REPAIR...
  • Page 35 OM-06296 PA SERIES PARTS LIST Pump End Assembly (Cont'd) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING 38219-305 10010 ROLLER BEARING 23528-005 IMP/WEAR RING ASSY 46151-022 24110 BEARING CAP 38322-425 10010 AIR VENT S1703 SEAL ASSY 46512-109 STUD C1013 15991...
  • Page 36 OM-06296 PA SERIES ILLUSTRATION Figure 8. Priming Chamber Kit ITEM PART PART NAME NUMBER BALL VALVE 26631-054 STREET ELBOW RS16 11999 PRIMING CHAMBER ASSEMBLY 46112-709 HEX NUT D08 15991 LOCK WASHER J08 15991 STUD C0809 15991 BAFFLE 31113-011 17000 GASKET 38687-053 19060 INDICATES PARTS RECOMMENDED FOR STOCK PAGE E - 16...
  • Page 37 OM-06296 PA SERIES SECTION DRAWING Figure 9. Priming Chamber Assembly ITEM PART PART NAME NUMBER PRIMING VALVE 26664-007 -ORIFICE BUTTON 26688-021 HEX HEAD CAP SCREW B0806 15991 LOCK WASHER J08 15991 PRIMING VALVE GASKET 38683-657 19060 PRIMING CHAMBER 38343-020 10000 STRAINER ASSEMBLY 46641-222 17000 INDICATES PARTS RECOMMENDED FOR STOCK...
  • Page 38 OM-06296 PA SERIES ILLUSTRATION Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Î Î Î Î Î Î Î Ï Ï Ï Ï Ï Î Î Ì Ì Î Î Î Î Î Î...
  • Page 39 PA SERIES OM-06296 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Before attempting to open or service the Review all SAFETY information in Section A. pump: 1. Familiarize yourself with this man­ Follow the instructions on all tags, label and de­ ual. cals attached to the pump.
  • Page 40 OM-06296 PA SERIES orifice button, remove one of the “e‐clips” from the the pump or component only as high as pivot pin closest to the orifice button and remove necessary and keep personnel away the pivot pin. This will allow the linkage to be raised from suspended objects.
  • Page 41 PA SERIES OM-06296 the suction head bore. Remove the wear ring sec­ seal plate (40, Figure 7). Tap the wedges alternate­ tions from the suction head. Pull the spiral pins ly to force the impeller off the shaft. Retain the im­ from the suction head.
  • Page 42 OM-06296 PA SERIES pump and pedestal side‐to‐side. To remove the Straighten the tab on the washer (28) securing the pedestal, loosen the outer hardware on the bearing lock nut (27). Use a spanner wrench to re­ threaded rods. Unscrew the jam nuts until they en­ move the lock nut.
  • Page 43 PA SERIES OM-06296 bushing to separate the coupling and bushing. Bearing Cleaning And Inspection When the parts separate, remove the bushing, and (Figure 7) slide the coupling off the shaft. Remove the key (5). Clean the pedestal, bearing housing, shafts and all When properly operated and maintained, the out­...
  • Page 44 OM-06296 PA SERIES When installing the shaft and bearings into To prevent damage during removal from the bearing bore, push against the outer the shaft, it is recommended that bearings race. Never hit the balls or ball cage. be cleaned and inspected in place. It is strongly recommended that the bearings Secure the shaft and bearings in the bearing hous­...
  • Page 45 PA SERIES OM-06296 the bushing with those in the sprocket, and install The bearings may be heated to ease installation. the bushing capscrews. An induction heater, hot oil bath, electric oven, or hot plate may be used to heat the bearings. Bear­ Position the sprocket on the shaft to the dimension ings should never be heated with a direct flame or shown in Figure 9 and tighten the bushing caps­...
  • Page 46 OM-06296 PA SERIES After the bearings have been installed and allowed hub onto the shaft with the shoulder positioned to­ to cool, check to ensure that they have not moved ward the pedestal. away from the shaft shoulders in shrinking. If Slide the sprocket over the hub, align the mounting movement has occurred, use a suitably sized screw holes and install the mounting screws.
  • Page 47 PA SERIES OM-06296 to 3/8 inch (9,5 mm) of deflection at 30 lbs. (13,6 Install a new O‐ring (37) in the groove in the seal kg.) of pressure. Do not over‐tighten the drive belt. plate and secure the seal plate cover to the seal plate with the hardware (46 and 47).
  • Page 48 OM-06296 PA SERIES SPRING RETAINER SEAL PLATE IMPELLER SHAFT STATIONARY SLEEVE ELEMENT O‐RING IMPELLER ROTATING SHAFT ELEMENT O‐RINGS BELLOWS SHAFT SLEEVE STATIONARY SEAT IMPELLER SHIMS Figure 12. Seal Assembly Lubricate the seal sleeve O‐ring with a small amount of light oil and install it in the groove in the I.D.
  • Page 49 PA SERIES OM-06296 tion heater or oven to heat the new wear ring. Slide Suction Head And Wear Ring Installation the wear ring onto the impeller until fully seated (Figure 6) against the shoulder and allow it to cool. If the wear ring (51) was removed, chill the wear ring by refrigeration and heat the suction head.
  • Page 50 OM-06296 PA SERIES Priming Chamber Assembly And Installation tergent oil. Check the oil level regularly and refill as required. (Figure 9) Clean and inspect the components of the priming Bearings valve (1). Inspect the linkage and ensure the orifice button squarely engages the valve seat. Replace (Figure 7) the orifice button if required (see Priming Cham­...
  • Page 51 For Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 Canada: 519-631-2870 International: +1-419-755-1352 GORMAN‐RUPP PUMPS...

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