GORMAN-RUPP PUMPS 60 Series Installation, Operation, And Maintenance Manual With Parts List
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GORMAN-RUPP PUMPS 60 Series Installation, Operation, And Maintenance Manual With Parts List

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OM-01912-01
C
October 13, 1981
Rev. A 07-05-05
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
60 SERIES PUMP
MODEL
610M20B−B
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
www.gormanrupp.com
D
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
Copyright by the Gorman-Rupp Company

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  • Page 1 OM-01912-01 October 13, 1981 Rev. A 07-05-05 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 60 SERIES PUMP MODEL 610M20B−B THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.gormanrupp.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. Copyright by the Gorman-Rupp Company...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I −...
  • Page 3 TABLE OF CONTENTS (continued) PARTS LISTS: Pump Assembly ............PAGE E −...

  • Page 4: Introduction

    Gorman- Rupp pump. This pump is a 60 Series, straight centrifugal model with an enclosed impeller. The pump is designed for pumping liquids that contain large entrained solids.

  • Page 5: Safety - Section A

    60 SERIES OM−01912 SAFETY − SECTION A This information applies to 60 Series ba- 5. Close the suction and discharge sic pumps. Gorman-Rupp has no con- valves. trol over or particular knowledge of the 6. Vent the pump slowly and cau- power source which will be used.
  • Page 6 60 SERIES OM−01912 Do not remove plates, covers, gauges, Do not operate the pump against a pipe plugs, or fittings from an over- closed discharge valve for long periods heated pump. Vapor pressure within the of time. This could bring the liquid to a...

  • Page 7: Installation − Section Bpage B

    60 SERIES OM−01912 INSTALLATION − SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of the...

  • Page 8: Preinstallation Inspection

    OM−01912 60 SERIES PREINSTALLATION INSPECTION The pump assembly was inspected and tested be- fore shipment from the factory. Before installation, The pump assembly can be seriously inspect the pump for damage which may have oc- damaged if the cables or chains used to lift curred during shipment.

  • Page 9: Connections To Pump

    60 SERIES OM−01912 mum use of elbows and fittings, which substan- Strainers tially increase friction loss. If elbows are necessary, If a strainer is not furnished with the pump, but is use the long-radius type to minimize friction loss. installed by the pump user, make certain that the...

  • Page 10: Discharge Lines

    OM−01912 60 SERIES recommended minimum submergence vs. veloc- end of the suction line. The larger opening size will ity. reduce the inlet velocity. Calculate the required submergence using the following formula based on the increased opening size (area or diameter).

  • Page 11: Coupled Drives

    60 SERIES OM−01912 pump and piping are installed, and before opera- tion. NOTE Check Rotation, Section C, before final alignment of the pump. Figure 3A. Aligning Spider-Type Couplings When mounted at the Gorman-Rupp factory, driver and pump are aligned before shipment. Misalign- ment will occur in transit and handling.
  • Page 12 OM−01912 60 SERIES Tighten the belts in accordance with the belt manu- facturer’s instructions. If the belts are too loose, they will slip; if the belts are too tight, there will be excessive power loss and possible bearing failure. Select pulleys that will match the proper speed ra- tio;...

  • Page 13: Operation − Section C

    OM−01912 60 SERIES OPERATION − SECTION C Review all SAFETY information in Section A. Before attempting to operate the priming device, close the discharge throttling valve. (Installation of a spring-loaded check valve is also recommended Follow the instructions on all tags, labels and to facilitate priming.) Once the pump is fully...

  • Page 14: Starting

    OM−01912 60 SERIES Strainer Check STARTING If a suction strainer has been shipped with the Consult the operations manual furnished with the pump or installed by the user, check the strainer power source. regularly, and clean it as necessary. The strainer should also be checked if pump flow rate begins to drop.

  • Page 15: Cold Weather Preservation

    OM−01912 60 SERIES BEARING TEMPERATURE CHECK Bearings normally run at higher than ambient tem- If the application involves a high discharge peratures because of heat generated by friction. head, gradually close the discharge Temperatures up to 160_F (71_C) are considered throttling valve before stopping the pump.

  • Page 16: Troubleshooting − Section D

    60 SERIES OM−01912 TROUBLESHOOTING − SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Lock out or disconnect the power source to ensure that the pump will remain inoperative.
  • Page 17 OM−01912 60 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Pump speed too slow. Check driver output; consult the FAILS TO DELIVER operation manual. RATED FLOW OR Impeller clogged. Free impeller of debris. PRESSURE (cont.) Suction lift too high.

  • Page 18: Preventive Maintenance

    60 SERIES OM−01912 equipped) between regularly scheduled inspec- PREVENTIVE MAINTENANCE 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 19: Pump Maintenance And Repair - Section E

    60 SERIES OM−01912 PUMP MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCES FOR PUMP MODEL 610M20B−B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- with minimum suction lift.
  • Page 20 OM−01912 60 SERIES SECTION DRAWING Figure 1. Pump Assembly 610M20B−B PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 21 60 SERIES OM−01912 PARTS PAGE PARTS LIST Pump Assembly 610M20B−B (From S/N 699260 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.
  • Page 22 OM−01912 60 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. 6. Vent the pump slowly and cau- Follow the instructions on all tags, label and de- tiously.
  • Page 23 60 SERIES OM−01912 good repair and with adequate capacity the impeller. Failure to properly install the to prevent injuries to personnel or dam- wear ring and balance the impeller assem- age to equipment. If slings or chains are bly can result in premature shaft, seal or...
  • Page 24 OM−01912 60 SERIES Shaft and Bearing Removal and Disassembly Bearing Cleaning and Inspection Clean the bearing housing, shaft and all compo- Remove the hardware securing the pedestal to the nent parts (except the bearings) with a soft cloth base. Use a suitable hoist and sling to move the soaked in cleaning solvent.
  • Page 25 60 SERIES OM−01912 strongly recommended that the bearings NOTE be replaced any time the shaft and bear- Position the inboard bearing (21) on the shaft as ings are removed. shown in Figure 2. BALL LOADING BALL LOADING GROOVE POSITIONED GROOVE POSITIONED...
  • Page 26 OM−01912 60 SERIES Press the outboard oil seal (28) into the bearing Lay the seal plate on a flat surface with the impeller cap (25) with the lip positioned as shown in Figure side down. Press the oil seal (33) into the seal plate 1.
  • Page 27 60 SERIES OM−01912 RETAINER SEAL PLATE SPRING O-RINGS IMPELLER IMPELLER STATIONARY ELEMENT IMPELLER SHAFT IMPELLER WASHER OIL SEAL BELLOWS STATIONARY ROTATING SEAT ELEMENT Figure 3. 12461A Seal Assembly bellows, retainer and rotating element) onto the shaft until the seal faces contact.
  • Page 28 OM−01912 60 SERIES Step 1: Determine how much bulk packing will be required to fill the packing cavity, and Step 3: Lubricate all metallic packings (foil type, wrap it around a rod of the same diameter as lead core, etc.) with the lubricant recom- the shaft.
  • Page 29 60 SERIES OM−01912 the wear ring onto the impeller until fully seated tern until the wear ring seats against the impeller. against the shoulder and allow it to cool. Unscrew the nuts (60) until they seat against wear ring. Unscrew each nut 1/2 to 3/4 turn more in an alternating pattern.
  • Page 30 OM−01912 60 SERIES For cold weather operation, consult the factory or a lubricant supplier for the recommended grade of oil. Monitor the condition of the bearing lubri- Power Source cant regularly for evidence of rust or mois- ture condensation. This is especially im-...
  • Page 31 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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610m20b-b

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