table of contents · pdf file 2020. 7. 27. · model 3700, api type oh2 / iso 13709...

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  • Table of Contents

    Table of Contents Introduction and Safety .......................................................................................................... 4

    Introduction ............................................................................................................................. 4 Safety ...................................................................................................................................... 4

    Safety terminology and symbols ........................................................................................... 5 Environmental safety ............................................................................................................ 5 User safety ........................................................................................................................... 6 Product approval standards .................................................................................................. 7 Safety regulations for Ex-approved products in potentially explosive atmospheres ............. 7

    Product warranty ..................................................................................................................... 8

    Transportation and Storage ................................................................................................. 10 Inspect the delivery ............................................................................................................... 10

    Inspect the package ........................................................................................................... 10 Inspect the unit ................................................................................................................... 10

    Transportation guidelines ...................................................................................................... 10 Pump handling ................................................................................................................... 10 Lifting methods ................................................................................................................... 10

    Storage guidelines ................................................................................................................ 12 Pump storage requirements ............................................................................................... 12

    Frostproofing ......................................................................................................................... 13

    Product Description .............................................................................................................. 14 General description 3700 ...................................................................................................... 14 Nameplate information .......................................................................................................... 15

    Installation ............................................................................................................................. 19 Preinstallation ....................................................................................................................... 19

    Pump location guidelines .................................................................................................... 19 Foundation requirements ................................................................................................... 19

    Baseplate-mounting procedures ........................................................................................... 20 Prepare the baseplate for mounting ................................................................................... 20 Prepare the foundation for mounting .................................................................................. 21 Install the baseplate using jackscrews ................................................................................ 21

    Install the pump, driver, and coupling .................................................................................... 22 Pump-to-driver alignment ...................................................................................................... 23

    Alignment checks ............................................................................................................... 23 Permitted indicator values for alignment checks ................................................................ 24 Alignment measurement guidelines ................................................................................... 24 Attach the dial indicators for alignment ............................................................................... 24 Pump-to-driver alignment instructions ................................................................................ 25

    Grout the baseplate .............................................................................................................. 27 Piping checklists ................................................................................................................... 29

    General piping checklist ..................................................................................................... 29 Suction-piping checklist ...................................................................................................... 30 Discharge piping checklist .................................................................................................. 32 Bypass-piping considerations ............................................................................................. 33 Auxiliary-piping checklist .................................................................................................... 33 Final piping checklist .......................................................................................................... 34

    Commissioning, Startup, Operation, and Shutdown ......................................................... 35 Preparation for startup .......................................................................................................... 35 Remove the coupling guard .................................................................................................. 36 Check the rotation ................................................................................................................. 36

    Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance 1 Manual

  • Table of Contents

    Couple the pump and driver .................................................................................................. 37 Coupling guard assembly ................................................................................................... 37 Bearing lubrication .............................................................................................................. 46

    Shaft sealing with a mechanical seal .................................................................................... 48 Connection of sealing liquid for mechanical seals ................................................................. 49 Pump priming ........................................................................................................................ 49

    Prime the pump with the suction supply above the pump ................................................... 49 Prime the pump with the suction supply below the pump ................................................... 50 Other methods of priming the pump ................................................................................... 51

    Start the pump ...................................................................................................................... 51 Pump operation precautions ................................................................................................. 52 Shut down the pump ............................................................................................................. 53 Make the final alignment of the pump and driver ................................................................... 53 Dowel the pump casing (optional) ......................................................................................... 54

    Maintenance ........................................................................................................................... 55 Maintenance schedule .......................................................................................................... 55 Bearing maintenance ............................................................................................................ 56 Mechanical-seal maintenance .............................................................................................. 56 Disassembly ......................................................................................................................... 57

    Disassembly precautions ................................................................................................... 57 Tools required .................................................................................................................... 57 Drain the pump ................................................................................................................... 57 Remove the back pull-out assembly ................................................................................... 58 Remove the coupling hub ................................................................................................... 59 Remove the impeller (3700/3710) ...................................................................................... 59 Remove the impeller (3703) ........