Vega SHLD 2 - Page 5

63138-US-200110 3
Commission the Source Holder ......................................... 41
Commissioning Call Checklist.........................................................41
Normal Operation............................................................... 42
Source Holder Installation Requirements........................................42
Preliminary Survey ..........................................................................43
Perform a Leak Test........................................................................43
Radiation Survey after Installation ..................................................44
Shutter Operation Test (on applicable source holders)...................44
Shutter (ON/OFF) Mechanism (required every six months)............45
Special Conditions ............................................................. 46
Radiation Fields Inside Vessels ......................................................46
Pneumatic Switching Facility Connection .......................... 47
Potential Equalization......................................................................47
Connection Cable............................................................................47
Electrical Connection ......................................................................48
Compressed Air Connection .............................................. 49
Connecting Pneumatic Lines ..........................................................49
6 Operation............................................................................. 51
Principle of Operation ........................................................ 51
Switching on Radiation....................................................................51
Interlock Safety Switch....................................................................53
7 Maintenance........................................................................ 55
Cleaning............................................................................. 55
Inspection........................................................................... 55
Corrosion.........................................................................................56
Test Shutter Mechanism .................................................................56
Manual Shutter Mechanism .................................................................... 56
Pneumatic Shutter Mechanism............................................................... 57
Leak Test ........................................................................................57
Manually Operated Source Holder ......................................................... 58
Periodic Maintenance Schedule ........................................ 59
Diagnostics ........................................................................ 60