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GORMAN-RUPP PA Series Installation, Operation And Maintenance Manual

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OM-06768-01
September 10, 2015
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIESr PUMP
MODEL
PA6D60C‐B‐E50 460/3
GORMAN‐RUPP PUMPS
www.grpumps.com
e
2015 Gorman‐Rupp Pumps
Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP PA Series

  • Page 1 OM-06768-01 September 10, 2015 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIESr PUMP MODEL PA6D60C‐B‐E50 460/3 GORMAN‐RUPP PUMPS www.grpumps.com 2015 Gorman‐Rupp Pumps Printed in U.S.A.
  • 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

    PA SERIES OM-06768 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per­...

  • Page 6: Safety - Section A

    PA SERIES OM-06768 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-06768 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-06768 ture or explode. Momentary closure of a in place over the rotating parts. Ex­ discharge valve is acceptable only posed rotating parts can catch clothing, when required for startup or shutdown fingers or tools, causing severe injury to procedures.

  • Page 9: Installation - Section B

    PA SERIES OM-06768 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-06768 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: Death or serious personal injury and damage to the pump or components a.

  • Page 11: Suction And Discharge Piping

    PA SERIES OM-06768 dope should be compatible with the liquid being SUCTION AND DISCHARGE PIPING pumped. Pump performance is adversely effected by in­ SUCTION LINES creased suction lift, discharge elevation, and fric­ tion losses. See the performance curve and oper­...

  • Page 12: Suction Line Positioning

    OM-06768 PA SERIES sump at a distance equal to 1 1/2 times the diame­ Suction Line Positioning ter of the suction line. The depth of submergence of the suction line is If there is a liquid flow from an open pipe into the critical to efficient pump operation.

  • Page 13: Discharge Lines

    PA SERIES OM-06768 DISCHARGE LINES Siphoning Do not terminate the discharge line at a level lower The electrical power used in this control than that of the liquid being pumped unless a si­ box is high enough to cause injury or phon breaker is used in the line.

  • Page 14: Field Wiring Connections (Incoming Power)

    OM-06768 PA SERIES a) PLATE ELECTRODE b) DRIVEN ELECTRODE c) BURIED ELECTRODE SOIL SOIL SOIL 8 FEET ROCK 1/4 INCH STEEL (2,4 M) 3/4 INCH (19,1 PLATE 2 SQ. FEET MM) NOMINAL (1858,1 SQ. CM) 3/4 INCH (19,1 MM) DIAMETER...

  • Page 15: Power Cable Connections

    PA SERIES OM-06768 are out of balance, contact your power company ment will occur in transit and handling. Pumps and request that they correct the condition. must be checked and realigned before operation. Before checking alignment, tighten the foundation Power Cable Connections bolts.

  • Page 16: Cold Weather Installation

    OM-06768 PA SERIES to lay along the bottom of the wet well or sump stop. The start/stop interval may be increased and the float can be attached to the hose by extending the float end of the cable. The above the point where it bends along the bot­...
  • Page 17 PA SERIES OM-06768 el of the liquid level control device; otherwise, the Configuring the system to drain between cycles pump may not prime. If the application involves liq­ will help ensure that the pump will not freeze during uids that could clog the drain line, make sure to cold weather applications.

  • Page 18: Operation - Section C

    OM-06768 PA SERIES OPERATION - SECTION C Review all SAFETY information in Section A. STARTING AND OPERATION Rotation Follow the instructions on all tags, labels and The correct direction of pump rotation is indicated decals attached to the pump. by an arrow on the pump body or accompanying decals.

  • Page 19: Priming

    OM-06768 PA SERIES tion. The VFD is programmed from the factory to the source of the leak, check the point of installa­ operate the pump within the maximum and mini­ tion of the vacuum gauge. mum speed range shown on the Performance Curve in Section E.

  • Page 20: Stopping

    OM-06768 PA SERIES Temperatures up to 160 F (71 C) are considered STOPPING normal for bearings, and they can operate safely to at least 180 F (82 Manual Stopping Checking bearing temperatures by hand is inaccu­ Turn the selector switch on the control box to the rate.
  • Page 21 OM-06768 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 22 OM-06768 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 23 OM-06768 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 24 OM-06768 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 25 OM-06768 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 PA6D60C-B-E50 460/3 Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 26 OM-06768 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PA6D60C-B-E50 460/3 PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 27 OM-06768 PA SERIES Pump Model PA6D60C-B-E50 460/3 Parts List (From S/N 1632400 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 28 OM-06768 PA SERIES ILLUSTRATION Figure 2. PA6D60C-B-(E50) Pump End Assembly PAGE E - 4 MAINTENANCE & REPAIR...
  • Page 29 OM-06768 PA SERIES PA6D60C-B-(E50) Pump End Assembly Parts List ITEM PART PART NAME NUMBER PUMP SUB ASSY 46133-544 PRIMING CHAMBER KIT 48275-005 CONNECTOR S1598 HOSE BARB FTG 26523-047 1/2” ID X 30” LG HOSE 18513-113 AIR COMPRESSOR ASSY 46181-906 BELT GUARD ASSY...
  • Page 30 OM-06768 PA SERIES ILLUSTRATION Figure 3. 46133-544 Pump Sub Assembly PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 31 OM-06768 PA SERIES PARTS LIST 46133-544 Pump Sub Assembly ITEM PART PART NAME NUMBER PUMP CASING SEE NOTE BELOW REPAIR ROTATING ASSEMBLY 44163-604 PIPE PLUG P16 10009 STUD C1213 15991 PIPE PLUG P06 15079 VENTED PIPE PLUG 4823A 15079 O‐RING...
  • Page 32 OM-06768 PA SERIES ILLUSTRATION Figure 4. Repair Rotating Assembly PAGE E - 8 MAINTENANCE & REPAIR...
  • Page 33 OM-06768 PA SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER IMPELLER 38628-036 11000 IMP ADJ SHIM SET 48261-057 SEAL ASSEMBLY 46512-149 SHAFT SLEEVE 31163-019 1706H O‐RING 25154-131 SEAL PLATE 38272-256 10000 OIL SEAL 25227-771 SIGHT GAUGE S1471...
  • Page 34 OM-06768 PA SERIES ILLUSTRATION Figure 5. 48275-005 Priming Chamber Kit ITEM PART PART NAME NUMBER PRIMING CHAMBER ASSY 46112-709 PIPE BUSHING AP1608 11999 STREET ELBOW RS08 11999 BALL VALVE 26631-052 STUD C0809 15991 HEX NUT D08 15991 LOCK WASHER J08 15991...
  • Page 35 OM-06768 PA SERIES ILLUSTRATION Figure 6. 46112-709 Priming Chamber Assembly PARTS LIST ITEM PART PART NAME NUMBER PRIMING VALVE 26664-007 -ORIFICE BUTTON 26688-021 HEX HD CAPSCREW B0806 15991 LOCKWASHER J08 15991 PRIMING VALVE GASKET 38683-657 19060 PRIMING CHAMBER 38343-020 10000...
  • Page 36 OM-06768 PA SERIES ILLUSTRATION Figure 7. 46181-906 Air Compressor Assembly ITEM PART PART NAME NUMBER 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 26813-111 PIPE CAP...
  • Page 37 OM-06768 PA SERIES PUMP AND SEAL DISASSEMBLY pump integrity are compromised by such practices. AND REASSEMBLY Review all SAFETY information in Section A. Follow the instructions on all tags, label and de­ Before attempting to open or service the cals attached to the pump.
  • Page 38 OM-06768 PA SERIES ton may require replacement. To replace the orifice and clothing away from the unit to pre­ button, remove one of the “e‐clips” from the pivot vent injury during automatic operation. Lock out the power from the control box pin closest to the orifice button and remove the piv­...
  • Page 39 OM-06768 PA SERIES mallet to tap on the wear plate studs until the wear Use a sling and suitable lifting device to pull the plate is free from the suction spool. Remove the pump end straight away from the motor. Remove wear plate and remove and discard the O‐rings...
  • Page 40 OM-06768 PA SERIES Impeller Removal Turn Counterclockwise (Figure 4) With the rotating assembly removed from the pump casing, unscrew the impeller (1) in a coun­ terclockwise direction (when facing the impeller). Lathe Dog Arm Use caution when unscrewing the impeller; ten­...
  • Page 41 OM-06768 PA SERIES assembly. Disassemble the shaft and bearings precautions printed on solvent contain­ only when there is evidence of wear or damage. ers. Clean the bearings thoroughly in fresh cleaning solvent. Dry the bearings with filtered compressed air and coat with light oil.
  • Page 42 OM-06768 PA SERIES turer with a retaining ring installed on the bearing Apply a light coating of oil to the lip of the oil seal (7) O.D. This retaining ring must be removed prior to and press it into the bearing housing bore with the installation.
  • Page 43 OM-06768 PA SERIES Clean the seal cavity and shaft with a cloth soaked Handle the seal parts with extreme care to prevent damage. Be careful not to contaminate precision in fresh cleaning solvent. Inspect the stationary finished faces; even fingerprints on the faces can seat bore in the seal plate for dirt, nicks and burrs, shorten seal life.
  • Page 44 OM-06768 PA SERIES The shaft and impeller threads must be This seal is not designed for operation at completely clean before reinstalling the im­ temperatures above 160_F (71_C). Do not peller. Even the slightest amount of dirt on use at higher operating temperatures.
  • Page 45 OM-06768 PA SERIES mediate guards (20, Figure 4) and the coupling guard (7) and secure the guards to the drive flange with the previously removed hardware (4, 5 and 6). Suction Spool and Wear Plate Installation and Adjustment (Figures 3 and 11) If the wear plate (30) was removed for replace­...
  • Page 46 OM-06768 PA SERIES USE TWO collars and hardware (19 and 20). Reinstall the USE TWO REMAINING OPPOSING ADJUSTING SCREWS AND back cover nuts. BACK COVER LOCKING COLLARS TO SET NUTS TO PRESS FACE CLEARANCE SUCTION SPOOL Be sure the wear plate does not scrape against the INTO PUMP impeller.
  • Page 47 OM-06768 PA SERIES If the orifice button was removed, screw the new dry seal cavity, add approximately 9.4 U.S. quarts orifice button into the linkage bar until fully seated. (8,9 liters) of oil to the level indicated. Clean and re­...
  • Page 48 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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Pa6d60c-b-e50 460/3

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