GORMAN-RUPP PUMPS PA Series Installation, Operation And Maintenance Manual
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GORMAN-RUPP PUMPS PA Series Installation, Operation And Maintenance Manual

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ACDEU
OM-06531-01
February 6, 2012
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIES PUMPS
MODELS
PA6C60C‐B‐E50 460/575/3
PA6C60C-B-(E50)
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
2012 The Gorman‐Rupp Company

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  • Page 1 ACDEU OM-06531-01 February 6, 2012 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMPS MODELS PA6C60C‐B‐E50 460/575/3 PA6C60C-B-(E50) THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 2012 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. RECORD YOUR PUMP MODEL AND SERIAL 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: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐...
  • Page 4 TABLE OF CONTENTS (continued) Automatic Stopping ........... . PAGE C - 3 PERIODIC CHECKS .

  • Page 5: Introduction

    This pump is a PA Series, priming‐assisted centrif­ ugal model. The unit is designed for handling non‐ volatile, non‐flammable liquids containing speci­ fied entrained solids. The basic material of con­...

  • Page 6: Safety - Section A

    PA SERIES OM-06531 SAFETY ‐ SECTION A This information applies to Prime Air Series pumps. Refer to the manual ac­ companying the power source before attempting to begin operation. The control box provides overload pro­ tection and power control. Do not con­...
  • Page 7 OM-06531 PA SERIES these parts with great force when they are disengaged. Allow the pump to completely cool before servicing it. Obtain the services of a qualified elec­ trician to troubleshoot, test and/or ser­ vice the electrical components of the control box.
  • Page 8 PA SERIES OM-06531 discharge valve is acceptable only in place over the rotating parts. Ex­ when required for startup or shutdown posed rotating parts can catch clothing, procedures. fingers or tools, causing severe injury to personnel. Do not remove plates, covers, gauges, pipe plugs, or fittings from an over­...

  • Page 9: Installation - Section B

    PA SERIES OM-06531 INSTALLATION - SECTION B Review all SAFETY information in Section A. configuration, and priming must be tailored to the specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this...

  • Page 10: Preinstallation Inspection

    OM-06531 PA SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be­ fore shipment from the factory. Before installation, inspect the pump for damage which may have oc­ curred during shipment. Check as follows: Use lifting and moving equipment in a.

  • Page 11: Suction And Discharge Piping

    PA SERIES OM-06531 to secure them when filled with liquid and under pressure. Gauges If the pump has been mounted on a movable base, do not attempt to operate The pump is drilled and tapped for installing dis­ the pump unless the unit is level. Be charge pressure and vacuum suction gauges.

  • Page 12: Sealing

    OM-06531 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...

  • Page 13: Discharge Lines

    PA SERIES OM-06531 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 throttling valve before stopping the pump.

  • Page 14: Grouding Methods

    OM-06531 PA SERIES grounding terminal to the enclosure and connect it the control box. Complete all electrical to a properly embedded electrode. connections before connecting the power supply to the control box. Make The material used for the electrode must be an ex­...

  • Page 15: Voltage Imbalance

    PA SERIES OM-06531 available at the pump motor must be within the in­ When necessary to change or connect power dicated range. cables to the control box, make certain the incom­ ing power is OFF and LOCKED OUT. Make certain Table 1.

  • Page 16: Auto-Start

    OM-06531 PA SERIES Before checking alignment, tighten the foundation equipped with a socket type connector that plugs bolts. The pump casing feet and/or pedestal feet, into a matching receptacle on the auto‐start control and the driver mounting bolts should also be tightly box.

  • Page 17: Submersible Transducer Installation

    PA SERIES OM-06531 PUMP (0.9) CONTROL (.76) (Emptying) (0.6) (Filling) (.46) OPERATING (0.3) RANGE CABLE (See Table Below) TETHER (.15) POINT (Emptying) (0.3) (0.6) (0.9) (1.2) APPROXIMATE FREE CORD LENGTH IN FT. (M) 1.25” Pipe (Filling) (Not Furnished) Figure 4. Float Switch Data Submersible Transducer Installation c.
  • Page 18 OM-06531 PA SERIES SUCTION LINE DISCHARGE LINE SIGNAL CABLE (ATTACH TO SUCTION LINE) SUCTION STRAINER SUBMERSIBLE TRANSDUCER (DOWNSTREAM FROM SUCTION) FLOW Figure 5. Typical Submersible Transducer AutoStart Pump Installation PAGE B - 10 INSTALLATION...
  • Page 19 PA SERIES OM-06531 Transducer Connections nector is required, reconnect the cable to the con­ nector as shown in Figure 6. The submersible transducer sensor cable is facto­ Once the connections are made, simply plug the ry‐equipped with a female connector which mates female connector into the male connector on the with a male connector on the back of the EPS con­...

  • Page 20: Operation - Section C

    OM-06531 PA SERIES OPERATION - SECTION C Review all SAFETY information in Section A. STARTING AND OPERATION Follow the instructions on all tags, labels and Control Box Function decals attached to the pump. The control box provides overload pro­ The electrical power used to operate tection and power control.

  • Page 21: Rotation

    OM-06531 PA SERIES the relay to cool after tripping before press­ the pump, but does not terminate incoming power ing the reset. through the field wiring connected to the control box. If replacing the heater pack, press the reset button to set the relay.

  • Page 22: Pump Vacuum Check

    OM-06531 PA SERIES Pump Vacuum Check Never introduce air or steam pressure into the pump casing or piping to remove a blockage. This could result in personal injury or damage to the Read the vacuum gauge with the pump primed equipment.
  • Page 23 OM-06531 PA SERIES A sudden increase in bearing temperatures is a COLD WEATHER PRESERVATION warning that the bearings are at the point of failing In below freezing conditions, drain the pump to to operate properly. Make certain that the bearing prevent damage from freezing.
  • Page 24 OM-06531 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 The following information is divided into two cate­ tiously. gories; Pump Troubleshooting and Control Box 7.
  • Page 25 OM-06531 PA SERIES Pump Troubleshooting (Cont'd) 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.)
  • Page 26 OM-06531 PA SERIES Pump Troubleshooting (Cont'd) 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.
  • Page 27 OM-06531 PA SERIES PUMP PREVENTIVE MAINTENANCE equipped) between regularly scheduled inspec­ tions can indicate problems that can be corrected Since pump applications are seldom identical, and before system damage or catastrophic failure oc­ pump wear is directly affected by such things as curs.
  • Page 28 OM-06531 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 PA6C60C-B-E50 460/575/3 Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 29 OM-06531 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PA6C60C-B-E50 460/575/3 PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 30 OM-06531 PA SERIES Pump Model PA6C60C-B-E50 460/575/3 Parts List (From S/N 1528569 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...
  • Page 31 OM-06531 PA SERIES ILLUSTRATION Figure 2. Pump End Assembly PA6C60C-B-(E50) PAGE E - 4 MAINTENANCE & REPAIR...
  • Page 32 OM-06531 PA SERIES PA6C60C-B-(E50) Pump End Assembly Parts List ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE PUMP END ASSEMBLY 66F60C-B-(E50) HOSE BARB FTG 26523-387 PRIMING CHAMBER KIT 48275-005 HOSE CLAMP 26518-642 HOSE BARB FITTING 26523-047 3/8”...
  • Page 33 OM-06531 PA SERIES ILLUSTRATION Figure 3. 66F60C-B-(E50) Pump End Assembly PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 34 OM-06531 PA SERIES PARTS LIST 66F60C-B-(E50) Pump End Assembly ITEM PART MAT'L PART NAME NUMBER CODE PUMP CASING 38218-303 11010 REPAIR ROTATING ASSEMBLY 44163-530 SIGHT GAUGE S1471 GASKET 38687-053 19060 COVER PLATE 33541-045 15080 HEX HEAD CAP SCREW B0805 15991...
  • Page 35 OM-06531 PA SERIES ILLUSTRATION Figure 4. 44163-530 Repair Rotating Assembly PAGE E - 8 MAINTENANCE & REPAIR...
  • Page 36 OM-06531 PA SERIES PARTS LIST 44163-530 Repair Rotating Assembly ITEM PART MAT'L PART NAME NUMBER CODE IMPELLER 38615-097 11010 SEAL ASSEMBLY 46512-149 BALL BEARING 23422-019 BEARING HOUSING 38251-513 10000 VENTED PIPE PLUG 4823A 15079 AIR VENT S1530 REDUCER PIPE BUSHING...
  • Page 37 OM-06531 PA SERIES ILLUSTRATION Figure 5. 48275-005 Priming Chamber Kit ITEM PART MAT'L PART NAME NUMBER CODE PRIMING CHAMBER ASSY 46112-709 PIPE BUSHING AP1608 11999 STREET ELBOW RS08 11999 BALL VALVE 26631-052 STUD C0809 15991 HEX NUT 15991 LOCK WASHER...
  • Page 38 OM-06531 PA SERIES ILLUSTRATION Figure 6. 46112-709 Priming Chamber Assembly PARTS LIST ITEM PART MAT'L PART NAME NUMBER CODE PRIMING VALVE 26664-007 -ORIFICE BUTTON 26688-021 HEX HD CAPSCREW B0806 15991 LOCKWASHER 15991 PRIMING VALVE GASKET 38683-657 19060 PRIMING CHAMBER 38343-020...
  • Page 39 OM-06531 PA SERIES ILLUSTRATION Figure 7. 46181-906 Air Compressor Assembly ITEM PART MAT'L PART NAME NUMBER CODE MACH SCREW X#10-02 15991 HEX NUT D#10 15991 LOCK WASHER J#10 15991 FLAT WASHER K#10 15991 AIR COMPRESSOR COVER 38354-043 15120 AIR COMPRESSOR...
  • Page 40 OM-06531 PA SERIES PUMP AND SEAL DISASSEMBLY tenance procedures are used, and that any procedures not addressed in this AND REASSEMBLY manual are performed only after estab­ lishing that neither personal safety nor Review all SAFETY information in Section A.
  • Page 41 OM-06531 PA SERIES Discharge Check Valve Removal and Disassembly (Figure 2) Use only replacement parts provided or Support the discharge check valve assembly (26) approved by Gorman‐Rupp. Use of non‐ using a sling and a suitable lifting device. Remove authorized parts may result in damage to...
  • Page 42 OM-06531 PA SERIES 3 and 24B, Figure 4). Remove the plugs and drain Remove the hardware (29 and 30) securing the the oil from the seal cavity into the container. For pump casing to the pump support bracket (31) and shorter drain time, remove the vented plug (5, Fig­...
  • Page 43 OM-06531 PA SERIES nect a sling and suitable lifting device to the “S” Turn hooks. Counterclockwise Remove the hardware (7 and 12) securing the pump casing (1) to the rotating assembly (2). Use the lifting device to pull the rotating assembly up...
  • Page 44 OM-06531 PA SERIES If no further disassembly is required, refer to Seal soaked in cleaning solvent. Inspect the parts for Installation. wear or damage and replace as necessary. Shaft and Bearing Removal and Disassembly (Figure 4) Most cleaning solvents are toxic and flammable.
  • Page 45 OM-06531 PA SERIES If heating the bearings is not practical, use a suit­ ably sized sleeve and an arbor (or hydraulic) press to install the bearings on the shaft. To prevent damage during removal from the shaft, it is recommended that bearings be cleaned and inspected in place.
  • Page 46 OM-06531 PA SERIES Lubricate the bearings as indicated in LUBRICA­ Reusing an old seal could result in prema­ TION at the end of this section. ture failure. Seal Reassembly and Installation The seal is not normally reused because wear pat­...
  • Page 47 OM-06531 PA SERIES SPRING RETAINER SPRING O‐RING CENTERING WASHER STATIONARY IMPELLER SEAT SHIMS SHAFT SLEEVE O‐RING IMPELLER SHAFT SHAFT SLEEVE IMPELLER ROTATING ELEMENT SEAL PLATE BELLOWS Figure 10. Seal Assembly the tubing wall should be as thin as possible. The length should be long enough to cover the threads on the end of the shaft.
  • Page 48 OM-06531 PA SERIES Impeller Installation And Adjustment and 12). Do not fully tighten the capscrews until the impeller face clearance has been set. (Figure 4) A clearance of .010 to .020 inch (0,25 to 0,5 mm) Inspect the impeller (1) and replace it if cracked or between the impeller and the wear plate is also rec­...
  • Page 49 OM-06531 PA SERIES sprocket and up through the slot in the mounting USE TWO USE TWO REMAINING OPPOSING ADJUSTING SCREWS AND flange (18, Figure 5). BACK COVER LOCKING COLLARS TO SET NUTS TO PRESS FACE CLEARANCE BACK COVER Use a suitable hoist and sling to position the air...
  • Page 50 OM-06531 PA SERIES and 26). Install the two remaining hand knobs Priming Chamber Assembly And Installation snugly against the adjusting screws. (Figure 6) Remove the first two back cover nuts from their Clean and inspect the components of the priming studs.
  • Page 51 OM-06531 PA SERIES reinstall the vented plug. Maintain the oil level at the tioned horizontally to provide proper drainage. middle of the sight gauge. Under normal conditions, drain the bearing hous­ Bearings ing once each year and refill with clean oil. Change (Figure 4) the oil more frequently if the pump is operated con­...
  • Page 52 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:

Pa6c60c-bPa6c60c-b-e50Pa6c60c-b-e50 460/3Pa6c60c-b-e50 575/3

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