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GORMAN-RUPP 12D1-L48EE Installation, Operation, And Maintenance Manual With Parts List

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ACEGU
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
WITH PARTS LIST
10 SERIES PUMP
MODEL
12D1---L48EE
ST. THOMAS, ONTARIO, CANADA
D
www.gormanrupp.com
E
Copyright by the Gorman-Rupp Company
OM ---05465---OE01
November 13, 2002
Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP 12D1-L48EE

  • Page 1 OM ---05465---OE01 November 13, 2002 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 10 SERIES PUMP MODEL 12D1---L48EE THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. www.gormanrupp.com Copyright by the Gorman-Rupp Company...
  • Page 2 The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I --- 1 SAFETY - SECTION A .
  • Page 4 TABLE OF CONTENTS (continued) Pump End Assy ............PAGE E --- 5 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY .

  • Page 5: Introduction

    10 SERIES OM -- 05465 INTRODUCTION Thank You for purchasing a Gorman-Rupp pump. sure that only safe, established maintenance pro- Read this manual carefully to learn how to safely cedures are used, and that any procedures not ad- dressed in this manual are performed only after es- install and operate your pump.

  • Page 6: Safety - Section A

    10 SERIES OM -- 05465 SAFETY - SECTION A This information applies to 10 Series en- gine driven pumps. Refer to the manual accompanying the engine before at- tempting to begin operation. This pump is designed to handle most non-volatile, non-flammable liquids This manual will alert personnel to...
  • Page 7 OM -- 05465 10 SERIES 2. Ventilate the area. 3. Allow the pump completely to cool. 4. Check the temperature before opening covers, plates, Fuel used by internal combustion en- gauges, or plugs. gines presents an extreme explosion and fire hazard. Make certain that all 5.

  • Page 8: Installation

    E, Page 1). Most of the information pertains to a standard For further assistance, contact your Gorman-Rupp static lift application where the pump is positioned distributor or the Gorman-Rupp Company. above the free level of liquid to be pumped.

  • Page 9: Positioning Pump

    If the maximum shelf life has been exceeded, or if anything appears to be abnormal, contact your SUCTION AND DISCHARGE PIPING Gorman-Rupp distributor or the factory to deter- mine the repair or updating policy. Do not put the Pump performance is adversely effected by in-...

  • Page 10: Connections To Pump

    10 SERIES OM -- 05465 Connections to Pump Strainers If a strainer is furnished with the pump, be certain Before tightening a connecting flange, align it ex- to use it; any spherical solids which pass through a actly with the pump port. Never pull a pipe line into strainer furnished with the pump will also pass place by tightening the flange bolts and/or cou- through the pump itself.

  • Page 11: Suction Line Positioning

    OM -- 05465 10 SERIES NOTE tance equal to at least 3 times the diameter of the suction pipe. The pipe submergence required may be reduced by installing a standard pipe increaser fitting at the Suction Line Positioning end of the suction line. The larger opening size will reduce the inlet velocity.

  • Page 12: Bypass Lines

    10 SERIES OM -- 05465 Bypass Lines bypass line from the top of the pump, back to the source of liquid. The end of the bypass line must be If a system check valve is used due to high dis- submerged.

  • Page 13: Operation

    OM -- 05465 10 SERIES OPERATION --- SECTION C not prime when dry. Extended operation of Review all SAFETY information in Section A. a dry pump will destroy the seal assembly. Follow the instructions on all tags, labels and Add liquid to the pump casing when: decals attached to the pump.

  • Page 14: Lines Without A Bypass

    OM -- 05465 10 SERIES gaged to be ejected with great force. Al- open the discharge throttling valve. Liquid will then continue to circulate through the bypass line while low the pump to cool before servicing. the pump is in operation. Strainer Check Lines Without a Bypass If a suction strainer has been shipped with the...

  • Page 15: Cold Weather Preservation

    OM -- 05465 10 SERIES prevent damage from freezing. Also, clean out any solids by flushing with a hose. Operate the pump for approximately one minute; this will remove any remaining liquid that could freeze the pump rotat- If the application involves a high discharge ing parts.

  • Page 16: Troubleshooting

    10 SERIES OM -- 05465 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. Shut down the engine and discon- nect the spark plug wire to ensure that the pump will remain inopera- tive.
  • Page 17 OM -- 05465 10 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Air leak in suction line. Correct leak. FAILS TO DELIVER Suction intake not submerged at Check installation and correct RATED FLOW OR proper level or sump too small. submergence as needed.

  • Page 18: Preventive Maintenance

    Regardless of the application however, following a routine preventive maintenance schedule will help assure trouble-free performance and long life from your Gorman-Rupp pump. For specific questions concerning your application, contact your Gorman-Rupp distributor or the Gorman-Rupp Company.

  • Page 19: Pump Maintenance And Repair - Section E

    If your pump serial number is followed by an “N”, exceeded. The maximum continuous your pump is NOT a standard production model. operating speed for this pump is 3600 Contact the Gorman-Rupp Company to verify per- RPM. formance or part numbers. MAINTENANCE & REPAIR...
  • Page 20 OM -- 05465 10 SERIES SECTION DRAWING Figure 1. Pump Model 12D1-L48EE PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 21: Parts Lists

    PARTS LIST Pump Model 12D1-L48EE (From S/N 1255241 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 MAT’L PART NAME...
  • Page 22 OM -- 05465 10 SERIES SECTION DRAWING Figure 2. 12D1-(L48EE) Pump Parts Only PAGE E -- 4 MAINTENANCE & REPAIR...
  • Page 23 10 SERIES OM -- 05465 PARTS LIST 12D1-(L48EE) Pump Parts Only ITEM PART MAT’L PART NAME NUMBER CODE PUMP CASING 38224---205 13040 IMPELLER 38615---066 11060 SEAL ASSY 25285---853 --- --- --- IMP ADJ SHIM SET 513A 17090 SPRING RETAINER 31161---041 17000 SHAFT SLEEVE 31411---267...

  • Page 24: Pump And Seal Disassembly And Reassembly

    OM -- 05465 10 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before AND REASSEMBLY opening any covers, plates, or plugs. Review all SAFETY information in Section A. 5. Close the suction and discharge valves. Follow the instructions on all tags, labels and 6.

  • Page 25: Impeller Removal

    10 SERIES OM -- 05465 Seal Reassembly and Installation (16, 17, 18 and 19) securing the pump casing to the rollover base (7). (Figures 2 and 3) (Figure 2) Inspect the engine crankshaft for damage. Small Support the pump casing using a suitable hoist scratches or nicks may be removed with a fine file and sling.

  • Page 26: Impeller Installation And Adjustment

    OM -- 05465 10 SERIES and shaft sleeve with water or a very small amount faces to ensure that they are free of any foreign matter. of oil, and apply a drop of light lubricating oil on the finished faces. Assemble the seal as follows, (see To ease installation of the seal, lubricate the O-ring Figure 3).

  • Page 27: Pump Casing Installation

    10 SERIES OM -- 05465 Pump Casing Installation Secure the back cover assembly using the hard- ware (23 and 24). Do not over tighten the wing (Figure 2) nuts; they should be just tight enough to ensure a good seal at the back cover shoulder. Install the same thickness of pump casing gaskets (13) as previously removed and secure the pump Suction Check Valve Installation...
  • Page 28 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:

10 series

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