Goulds Pumps 3620 - IOM User Manual
Page 4
Table of Contents
Preparation for startup .......................................................................................................... 31
Remove the coupling guard .................................................................................................. 32
Check the rotation - Frame Mounted ..................................................................................... 32
Couple the pump and driver .................................................................................................. 32
Oil volumes ......................................................................................................................... 38
Lubricating-oil requirements ............................................................................................... 38
Acceptable oil for lubricating bearings ................................................................................ 39
Lubricate the bearings with oil ............................................................................................ 39
Lubricate the bearings with pure or purge-oil mist (optional) .............................................. 40
Lubricate the bearings after a shutdown period .................................................................. 42
Shaft sealing with a mechanical seal .................................................................................... 42
Connection of sealing liquid for mechanical seals ................................................................. 43
Prime the pump with the suction supply above the pump ..................................................... 43
Start the pump ...................................................................................................................... 44
Pump operation precautions ................................................................................................. 45
Shut down the pump ............................................................................................................. 46
Make the final alignment of the pump and driver ................................................................... 46
Doweling the pump casing .................................................................................................... 46
Dowel for motor installation ................................................................................................ 47
Dowel for cold service ........................................................................................................ 47
Dowel for hot service .......................................................................................................... 48
Maintenance schedule .......................................................................................................... 49
Bearing maintenance ............................................................................................................ 50
Mechanical-seal maintenance .............................................................................................. 50
Disassembly ......................................................................................................................... 51
Disassembly precautions ................................................................................................... 51
Tools required .................................................................................................................... 51
Prepare for disassembly ..................................................................................................... 51
Disassemble the radial end (ball bearing pumps) ............................................................... 53
Disassemble the thrust end (ball bearing pumps) ............................................................... 55
Disassemble the radial end (sleeve/ball bearing pumps) ................................................... 56
Disassemble the thrust end (sleeve/ball bearing pumps) ................................................... 59
Disassembly of the sleeve/Kingsbury bearing arrangement ............................................... 61
Disassemble the rotating assembly .................................................................................... 62
Replacement guidelines ..................................................................................................... 64
Shaft replacement guidelines ............................................................................................. 67
Bearings inspection ............................................................................................................ 68
Replace the wear parts ....................................................................................................... 69
Assemble the rotating element ........................................................................................... 72
Install the rotating element ................................................................................................. 74
Assemble the thrust end (ball bearing pumps) ................................................................... 75
Assemble the radial end (ball bearing pumps) .................................................................... 77
Assemble the thrust end (sleeve/ball bearing pumps) ........................................................ 79
Assemble the radial end (sleeve/ball bearing pumps) ........................................................ 81
Assemble the optional water jacket cover .......................................................................... 83
Assembly of the sleeve/Kingsbury bearing arrangement ................................................... 83
Post-assembly checks ........................................................................................................ 83
Assembly references .......................................................................................................... 84
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Model 3620, API Type BB2 Single Stage / ISO 13709 1st/2nd Ed. / API 610 8th-11th Ed. Installation, Operation, and
Maintenance Manual