Goulds Pumps VIT - IOM - Manual (Page 4)

Adjust the impeller for a hollow-shaft driver..........................................................................................................48
Set up the lubrication system.........................................................................................................................................49
Installation and startup checklist...................................................................................................................................49
Commissioning, Startup, Operation, and Shutdown............................................................................................52
Preparation for startup...................................................................................................................................................52
Prepare for startup.......................................................................................................................................................52
Pump priming..................................................................................................................................................................53
Start the pump.................................................................................................................................................................54
Pump operation precautions.........................................................................................................................................54
Mechanical seal leaks......................................................................................................................................................55
Stuffing box leaks............................................................................................................................................................55
Shut down the pump......................................................................................................................................................56
Lubricate the thrust pot during a shutdown period...................................................................................................56
Maintenance......................................................................................................................................................................57
Maintenance schedule.....................................................................................................................................................57
Adjust and replace the packing.....................................................................................................................................57
Adjust the packing when leaking is excessive..........................................................................................................58
Adjust the packing when there is overheating or no leaks....................................................................................58
Thrust pot lubrication guidelines..................................................................................................................................58
Disassembly......................................................................................................................................................................59
Disassembly precautions.............................................................................................................................................59
Disassemble the head and column............................................................................................................................59
Bowl disassembly.........................................................................................................................................................60
Remove the turbine bowl and impeller wear rings.................................................................................................60
Remove the bowl, suction bell, and lineshaft bearings..........................................................................................60
Pre-assembly inspections...............................................................................................................................................61
Replacement guidelines...............................................................................................................................................61
Reassembly.......................................................................................................................................................................62
Install the turbine bowl and impeller wear ring.......................................................................................................62
Install the bowl, suction bell, and lineshaft bearings..............................................................................................62
Install the taper collet bowl assembly.......................................................................................................................62
Install the keyed bowl assembly.................................................................................................................................64
Pump shaft setup dimensions....................................................................................................................................64
Troubleshooting...............................................................................................................................................................65
Operation troubleshooting............................................................................................................................................65
Parts Listings and Cross-Sectional Drawings.........................................................................................................68
VIT FF product lube......................................................................................................................................................68
VIT FF enclosed lineshaft.............................................................................................................................................71
Local ITT Contacts.........................................................................................................................................................74
Regional offices................................................................................................................................................................74
Table of Contents
2 Model VIT Installation, Operation, and Maintenance