5 Commissioning, Startup, Operation, and Shutdown ................................................................................... 49
5.1 Preparation for startup.............................................................................................................................49
5.1.1 Prepare for startup ........................................................................................................................50
5.2 Pump priming ..........................................................................................................................................51
5.3 Start the pump.........................................................................................................................................51
5.4 Pump operation precautions ...................................................................................................................52
5.5 Mechanical seal leaks .............................................................................................................................52
5.6 Stuffing box leaks ....................................................................................................................................53
5.7 Shut down the pump ...............................................................................................................................53
5.8 Lubricate the thrust pot during a shutdown period .................................................................................. 53
6 Maintenance.....................................................................................................................................................54
6.1 Maintenance schedule ............................................................................................................................54
6.2 Adjust and replace the packing ...............................................................................................................54
6.2.1 Adjust the packing when leaking is excessive .............................................................................. 55
6.2.2 Adjust the packing when there is overheating or no leaks ............................................................ 55
6.3 Thrust pot lubrication guidelines..............................................................................................................56
6.4 Disassembly ............................................................................................................................................56
6.4.1 Disassembly precautions ..............................................................................................................56
6.4.2 Disassemble the head and column ............................................................................................... 57
6.4.3 Bowl disassembly..........................................................................................................................57
6.4.4 Remove the bowl and impeller wear rings .................................................................................... 57
6.4.5 Remove the bowl, suction bell, and lineshaft bearings ................................................................. 58
6.5 Pre-assembly inspections .......................................................................................................................58
6.5.1 Replacement guidelines................................................................................................................58
6.6.1 Installing the bowl and impeller wear ring ..................................................................................... 59
6.6.2 Installing the bowl, and lineshaft bearings .................................................................................... 59
6.6.3 Installing the keyed bowl assembly............................................................................................... 59
7 Troubleshooting ..............................................................................................................................................60
7.1 Operation troubleshooting .......................................................................................................................60
8 Parts Listings and Cross-Sectionals.............................................................................................................63
8.1 Typical Parts List and Cross Sectionals .................................................................................................. 63
9 Local ITT Contacts ..........................................................................................................................................68
9.1 Regional offices.......................................................................................................................................68
Table of Contents
2
Model VCW Installation, Operation, and Maintenance
Summary of Contents for Goulds Pumps VCW
Page 1: ...Installation Operation and Maintenance Model VCW ...
Page 2: ......
