Goulds Pumps NM 3196 i-FRAME - IOM - Manual (Page 4)

Commissioning, Startup, Operation, and Shutdown............................................................................................40
Preparation for startup...................................................................................................................................................40
Remove the coupling guard...........................................................................................................................................40
Check the rotation...........................................................................................................................................................43
Impeller-clearance check................................................................................................................................................43
Impeller clearances (NM 3196)..................................................................................................................................43
Impeller-clearance setting..............................................................................................................................................44
Set the impeller clearance - dial indicator method (all except CV 3196) ............................................................44
Set the impeller clearance - feeler gauge method (all except CV 3196) .............................................................45
Couple the pump and driver..........................................................................................................................................45
Install the coupling guard...........................................................................................................................................46
Bearing lubrication.......................................................................................................................................................50
Shaft-sealing options.......................................................................................................................................................52
Mechanical seal options..............................................................................................................................................52
Connection of sealing liquid for mechanical seals..................................................................................................52
Packed stuffing box option.........................................................................................................................................53
Pump priming..................................................................................................................................................................53
Prime the pump with the suction supply below the pump...................................................................................53
Other methods of priming the pump.......................................................................................................................54
Start the pump.................................................................................................................................................................54
Activate the i-ALERT
™ Condition Monitor..............................................................................................................55
i-ALERT ™ Condition Monitor routine operation....................................................................................................56
Pump operation precautions.........................................................................................................................................56
Shut down the pump......................................................................................................................................................57
Deactivate the i-ALERT
™ Condition Monitor..........................................................................................................57
Reset the i-ALERT ™ Condition Monitor...................................................................................................................57
Make the final alignment of the pump and driver......................................................................................................57
Maintenance......................................................................................................................................................................59
Maintenance schedule.....................................................................................................................................................59
Bearing maintenance.......................................................................................................................................................60
Lubricating-oil requirements......................................................................................................................................60
Regrease the grease-lubricated bearings ..................................................................................................................61
Lubricate the bearings after a shutdown period......................................................................................................62
Shaft seal maintenance...................................................................................................................................................62
Mechanical-seal maintenance.....................................................................................................................................62
Disassembly......................................................................................................................................................................63
Disassembly precautions.............................................................................................................................................63
Tools required...............................................................................................................................................................63
Drain the pump............................................................................................................................................................64
Remove the coupling...................................................................................................................................................64
Remove the back pull-out assembly..........................................................................................................................64
Remove the coupling hub...........................................................................................................................................67
Impeller removal..........................................................................................................................................................67
Seal-chamber cover removal.......................................................................................................................................68
Remove the seal-chamber cover and backplate (NM 3196, 3198).......................................................................68
Remove the frame adapter (MTi) .............................................................................................................................69
Remove the inboard labyrinth oil seal.......................................................................................................................70
Power-end disassembly...............................................................................................................................................70
Disassemble the bearing frame..................................................................................................................................73
Guidelines for i-ALERT
™ Condition Monitor disposal.......................................................................................74
Disassemble the C-face adapter.................................................................................................................................74
Pre-assembly inspections...............................................................................................................................................75
Replacement guidelines...............................................................................................................................................75
Shaft and sleeve replacement guidelines...................................................................................................................76
Bearing-frame inspection............................................................................................................................................77
Table of Contents
2 Model NM 3196 i-FRAME Installation, Operation, and Maintenance Manual