5 Commissioning, Startup, Operation, and Shutdown .............................................................................46
5.1 Preparation for startup
.......................................................................................................................46
5.2 Remove the coupling guard ..............................................................................................................47
5.3 Check the rotation .............................................................................................................................48
5.4 Couple the pump and driver .............................................................................................................. 48
5.5 Install the coupling guard ..................................................................................................................49
5.6 Bearing lubrication.............................................................................................................................52
5.6.1 Lubricating oil requirements ....................................................................................................53
5.6.2 Lubricate the bearings with oil.................................................................................................53
5.6.3 Lubricating-grease requirements ............................................................................................ 55
5.7 Shaft-sealing options.........................................................................................................................55
5.7.1 Mechanical seal options.......................................................................................................... 55
5.7.2 Connection of sealing liquid for mechanical seals .................................................................. 55
5.7.3 Packed stuffing box option ......................................................................................................56
5.7.4 Connection of sealing liquid for a packed stuffing box ............................................................56
5.8 Pump priming ....................................................................................................................................57
5.8.1 Prime the pump with the suction supply above the pump....................................................... 57
5.8.2 Prime the pump with the suction supply below the pump ....................................................... 57
5.8.3 Other methods of priming the pump........................................................................................59
5.9 Start the pump...................................................................................................................................59
5.10 Limits of operation ........................................................................................................................... 60
5.11 Pump operation precautions............................................................................................................61
5.12 Shut down the pump .......................................................................................................................61
5.13 Make the final alignment of the pump and driver ............................................................................62
6 Maintenance...............................................................................................................................................63
6.1 Maintenance schedule ......................................................................................................................63
6.2 Bearing maintenance ........................................................................................................................64
6.2.1 Lubricating oil requirements ....................................................................................................64
6.2.2 Change the oil .........................................................................................................................65
6.2.3 Lubricating-grease requirements ............................................................................................ 65
6.2.4 Regrease the grease-lubricated bearings ...............................................................................65
6.3 Shaft seal maintenance.....................................................................................................................66
6.3.1 Mechanical-seal maintenance.................................................................................................66
6.3.2 Packed stuffing-box maintenance ...........................................................................................66
6.4 Disassembly ...................................................................................................................................... 67
6.4.1 Disassembly precautions ........................................................................................................ 67
6.4.2 Tools required.......................................................................................................................... 68
6.4.3 Drain the pump........................................................................................................................68
6.4.4 Remove the coupling .............................................................................................................. 68
6.4.5 Remove the back pull-out assembly ....................................................................................... 68
6.4.6 Remove the coupling hub ....................................................................................................... 70
6.4.7 Remove the impeller ............................................................................................................... 70
6.4.8 Remove the seal-chamber cover ........................................................................................... 71
6.4.9 Remove the stuffing-box cover .............................................................................................. 72
6.4.10 Disassemble the power end.................................................................................................. 72
6.5 Pre-assembly inspections .................................................................................................................73
6.5.1 Replacement guidelines.......................................................................................................... 74
6.5.2 Shaft and sleeve replacement guidelines ............................................................................... 76
6.5.3 Bearing-frame inspection ........................................................................................................ 76
6.5.4 Seal chamber and stuffing box cover inspection..................................................................... 77
6.5.5 Bearings inspection................................................................................................................. 78
6.6 Reassembly.......................................................................................................................................78
6.6.1 Assemble the rotating element and bearing frame ................................................................. 78
Table of Contents
2 Model IC, ICI, ICH, ICIH Installation, Operation, and Maintenance Manual