Goulds Pumps 3640 - IOM - Manual (Page 4)

Table of Contents
Commissioning, Startup, Operation, and Shutdown ......................................................... 31
Preparation for startup .......................................................................................................... 31
Remove the coupling guard .................................................................................................. 32
Check the rotation - Frame Mounted ..................................................................................... 32
Couple the pump and driver .................................................................................................. 32
Coupling guard assembly ................................................................................................... 33
Bearing lubrication ................................................................................................................ 38
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 ........................................................................................................................... 50
Maintenance schedule .......................................................................................................... 50
Bearing maintenance ............................................................................................................ 51
Mechanical-seal maintenance .............................................................................................. 51
Disassembly ......................................................................................................................... 52
Disassembly precautions ................................................................................................... 52
Tools required .................................................................................................................... 52
Prepare for disassembly ..................................................................................................... 52
Disassemble the radial end (ball bearing pumps) ............................................................... 54
Disassemble the thrust end (ball bearing pumps) ............................................................... 56
Disassemble the radial end (sleeve/ball bearing pumps) ................................................... 57
Disassemble the thrust end (sleeve/ball bearing pumps) ................................................... 60
Disassembly of the sleeve/Kingsbury bearing arrangement ............................................... 62
Disassemble the rotating assembly .................................................................................... 63
Preassembly inspections ...................................................................................................... 65
Replacement guidelines ..................................................................................................... 65
Shaft replacement guidelines ............................................................................................. 68
Bearings inspection ............................................................................................................ 69
Replace the wear parts ....................................................................................................... 70
Reassembly .......................................................................................................................... 73
Assemble the rotating element ........................................................................................... 73
Install the rotating element ................................................................................................. 75
Assemble the thrust end (ball bearing pumps) ................................................................... 76
Assemble the radial end (ball bearing pumps) .................................................................... 78
Assemble the thrust end (sleeve/ball bearing pumps) ........................................................ 80
Assemble the radial end (sleeve/ball bearing pumps) ........................................................ 82
Assemble the optional water jacket cover .......................................................................... 84
Assembly of the sleeve/Kingsbury bearing arrangement ................................................... 84
Post-assembly checks ........................................................................................................ 84
Assembly references .......................................................................................................... 85
2 Model 3640 Installation, Operation, and Maintenance Manual