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

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ACDEU
OM-06417-01
May 18, 2012
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIES PUMP
MODEL
PA6C60-(SAE 3/10)
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-06417-01 May 18, 2012 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMP MODEL PA6C60-(SAE 3/10) 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. 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) PUMP MAINTENANCE AND REPAIR ‐ SECTION E ....PAGE E - 1 PARTS LISTS: Pump Model ............PAGE E - 3 Pump End Assembly .

  • 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-06417 SAFETY ‐ SECTION A This information applies to Prime Aire tion. Disconnect the positive battery Series pumps. Refer to the manual ac­ cable before performing any mainte­ companying the engine or power nance. Failure to do so may result in se­...
  • Page 7 OM-06417 PA SERIES certain that the pump and all piping or hose connections are tight, properly supported and secure before operation. Do not operate the pump without guards in place over the rotating parts. Ex­ posed rotating parts can catch clothing, fingers or tools, causing severe injury to personnel.

  • Page 8: Installation - Section B

    PA SERIES OM-06417 INSTALLATION - SECTION B Review all SAFETY information in Section A. and on the accompanying decal. Other­ wise, the impeller could become loosened Since pump installations are seldom identical, this from the shaft and seriously damage the section offers only general recommendations and pump.

  • Page 9: Mounting

    OM-06417 PA SERIES tag on the unit packaging for the actual weight, and Materials use lifting equipment with appropriate capacity. Either pipe or hose maybe used for suction and Drain the pump and remove all customer‐installed discharge lines; however, the materials must be equipment such as suction and discharge hoses compatible with the liquid being pumped.

  • Page 10: Fittings

    PA SERIES OM-06417 slopes down to the pump at any point along the sump at a distance equal to 1 1/2 times the diame­ suction run, air pockets will be created. ter of the suction line. Fittings If there is a liquid flow from an open pipe into the sump, the flow should be kept away from the suc­...

  • Page 11: Discharge Lines

    OM-06417 PA SERIES 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...

  • Page 12: Operation - Section C

    OM-06417 PA SERIES OPERATION - SECTION C Review all SAFETY information in Section A. down the pump and consult Maintenance and Repair, Section E for further details. Follow the instructions on all tags, labels and STARTING decals attached to the pump.

  • Page 13: Routine Operation

    OM-06417 PA SERIES ture or explode. If overheating occurs, stop the Routine Operation pump immediately and allow it to completely cool before servicing it. Approach any over‐heated pump cautiously. Do not operate an internal combustion engine in an explosive atmosphere.

  • Page 14: Periodic Checks

    OM-06417 PA SERIES After stopping the pump, switch off the engine igni­ A sudden increase in bearing temperatures is a tion and remove the key to ensure that the pump warning that the bearings are at the point of failing will remain inoperative.

  • Page 15: Troubleshooting - Section D

    OM-06417 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 16 OM-06417 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 17: Preventive Maintenance

    OM-06417 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.
  • Page 18 OM-06417 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)
  • Page 19 OM-06417 PA SERIES PUMP MAINTENANCE AND REPAIR - SECTION E Maintenance and repair of the wearing parts of the pump will maintain peak operating perfor­ mance. Hazards or unsafe practices which If your pump serial number is followed by an “N”, COULD result in severe personal injury your pump is NOT a standard production model.
  • Page 20 OM-06417 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PA6C60-(SAE 3/10) PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 21 OM-06417 PA SERIES Pump Model PA6C60-(SAE 3/10) PARTS LIST (From S/N 1509609 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 22 OM-06417 PA SERIES ILLUSTRATION Figure 2. 66F60-(SAE 3/10) Pump End Assembly PAGE E - 4 MAINTENANCE & REPAIR...
  • Page 23 OM-06417 PA SERIES PARTS LIST 66F60-(SAE 3/10) Pump End Assembly ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE PUMP CASING 38218-303 11010 HEX HD CAPSCREW B0806 15991 LOCK WASHER 15991 REPAIR ROTATING ASSY 44163-504...
  • Page 24 OM-06417 PA SERIES ILLUSTRATION Figure 3. 44163-504 Repair Rotating Assembly PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 25 OM-06417 PA SERIES PARTS LIST 44163-504 Repair Rotating Assembly ITEM PART NAME PART MAT'L ITEM PART NAME PART MAT'L NUMBER CODE NUMBER CODE BRG HOUSING GSKT 38683-474 18000 IMPELLER 38615-092 11010 BRG SNAP RING S720 SEAL ASSY 46512-149 THRUST WASHER...
  • Page 26 OM-06417 PA SERIES ILLUSTRATION Figure 4. 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 27 OM-06417 PA SERIES ILLUSTRATION Figure 5. 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 28 OM-06417 PA SERIES ILLUSTRATION Figure 6. 44162-159 Drive Assembly ITEM PART MAT'L PART NAME NUMBER CODE COUPLING ASSY 44165-016 BUSHING 24131-498 -KEY 24113-603 DRIVE FLANGE 38545-004 IMPELLER SHAFT 38515-592 1706H LOCK WASHER 21171-536 SOCKET HEAD CAPSCREW BD0606-1/2 15991 SOCKET HEAD CAPSCREW...
  • Page 29 OM-06417 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 30 OM-06417 PA SERIES hardware (6 and 7) and separate the priming Back Cover Plate and Wear Plate Removal chamber assembly, baffle (9) and gasket (8) from (Figure 2) the pump assembly. The wear plate (24) is easily accessible and may be (Figure 5) serviced by removing the back cover plate (32).
  • Page 31 OM-06417 PA SERIES pling must be replaced. To remove the ring, disen­ Turn gage the hardware (6 and 7) securing it to the fly­ Counterclockwise wheel. Move the pump end to a clean, well equipped shop area for further disassembly.
  • Page 32 OM-06417 PA SERIES Impeller Removal Shaft and Bearing Removal and Disassembly (Figure 3) (Figure 3) When the pump is properly operated and main­ tained, the bearing housing should not require dis­ With the rotating assembly removed from the assembly. Disassemble the shaft and bearings pump casing, unscrew the impeller (1) in a coun­...
  • Page 33 OM-06417 PA SERIES flammable. Use them only in a well ven­ be cleaned and inspected in place. It is tilated area free from excessive heat, strongly recommended that the bearings sparks, and flame. Read and follow all be replaced any time the shaft and bear­...
  • Page 34 OM-06417 PA SERIES Install the thrust washer (20) and secure the out­ crews in the center of the coupling must be posi­ board bearing (21) to the shaft with the snap ring tioned toward the drive end of the shaft.
  • Page 35 OM-06417 PA SERIES Do not use petroleum‐based lubricants, or any oth­ The seal is not normally reused because wear pat­ er substance which may soften or otherwise dam­ terns on the finished faces cannot be realigned age the rubber. during reassembly. This could result in premature failure.
  • Page 36 OM-06417 PA SERIES RETAINER SEAL PLATE SPRING O‐RINGS IMPELLER SLEEVE O‐RING IMPELLER SHIMS IMPELLER SHAFT INTEGRAL SHAFT ROTATING SLEEVE ELEMENT BELLOWS SPRING CENTERING WASHER STATIONARY SEAT DRIVE BAND Figure 8. Seal Assembly the O‐ring down the shaft until it seats against the shaft shoulder.
  • Page 37 OM-06417 PA SERIES Lubricate the O‐rings (16 and 25) with light grease and install them in the grooves in the wear plate and back cover. The shaft and impeller threads must be Clearance between the impeller and wear plate is adjusted using the four back cover nuts (31) and completely clean before reinstalling the im­...
  • Page 38 OM-06417 PA SERIES adjusting screws so the holes in the collars for the Install the cover O‐ring and secure the cover with locking screws align approximately with the holes the previously removed hardware. in the cover plate. Apply a small amount of light grease to the gasket...
  • Page 39 OM-06417 PA SERIES LUBRICATION NOTE The white reflector in the sight gauge must be posi­ (Figure 2) tioned horizontally to provide proper drainage. Seal Assembly Under normal conditions, drain the bearing hous­ Fill the seal cavity through the hole for the vented ing once each year and refill with clean oil.
  • Page 40 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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Pa6c60

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