Goulds Pumps API 3171 - IOM - Manual (Page 4)

Check the rotation...........................................................................................................................................................29
Thrust bearing lubrication.............................................................................................................................................30
Flush the steady bearings............................................................................................................................................30
Sealed bearings.............................................................................................................................................................30
Lubricate the sealed bearings with grease cups.......................................................................................................31
Shaft sealing with a mechanical seal.............................................................................................................................32
Shaft sealing with a stuffing box...................................................................................................................................33
Steam jacket pumps (molten sulfur construction).....................................................................................................33
Impeller-clearance setting..............................................................................................................................................33
Set the impeller clearance - dial indicator method .................................................................................................33
Set the impeller clearance - feeler gauge method ...................................................................................................34
Pump priming..................................................................................................................................................................35
Install the coupling guard...............................................................................................................................................35
Start the pump.................................................................................................................................................................36
Pump operation precautions.........................................................................................................................................37
Shut down the pump......................................................................................................................................................37
Make the final alignment of the pump and driver......................................................................................................38
Maintenance......................................................................................................................................................................39
Maintenance schedule.....................................................................................................................................................39
Bearing maintenance.......................................................................................................................................................39
Thrust bearings............................................................................................................................................................40
Lubricate the bearings after a shutdown period......................................................................................................40
Lubricating-grease requirements...............................................................................................................................40
Steady bearings.............................................................................................................................................................41
Shaft-seal maintenance...................................................................................................................................................41
Mechanical-seal maintenance.....................................................................................................................................41
Packed stuffing-box maintenance..............................................................................................................................42
Disassembly......................................................................................................................................................................42
Disassembly precautions.............................................................................................................................................42
Tools required...............................................................................................................................................................43
Drain the pump............................................................................................................................................................43
Remove the pump from the sump............................................................................................................................43
Remove the impeller....................................................................................................................................................45
Disassemble the column.............................................................................................................................................46
Preassembly inspections.................................................................................................................................................47
Replacement guidelines...............................................................................................................................................47
Shaft replacement guidelines......................................................................................................................................48
Bearings inspection......................................................................................................................................................48
Bearing fits and tolerances..........................................................................................................................................49
Reassembly.......................................................................................................................................................................49
Assemble the column and support plate..................................................................................................................49
Assemble the rotating element...................................................................................................................................50
Assemble the column..................................................................................................................................................51
Assemble the impeller, suction cover, and strainer.................................................................................................51
Troubleshooting...............................................................................................................................................................53
Operation troubleshooting............................................................................................................................................53
Assembly troubleshooting.............................................................................................................................................54
Parts Listings and Cross-Sectional Drawings.........................................................................................................55
Cross-sectional diagram.................................................................................................................................................55
Dimensional drawings....................................................................................................................................................56
Parts list.............................................................................................................................................................................57
Other Relevant Documentation or Manuals...........................................................................................................60
For additional documentation.......................................................................................................................................60
Table of Contents
2 Model API 3171 Installation, Operation, and Maintenance Manual