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playground:shutdown

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playground:shutdown [2009/03/04 15:46]
127.0.0.1 external edit
playground:shutdown [2009/04/15 15:30]
odonnell Change to wiki numbering format; added line about not letting the corona points go negative.
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 ** Machine Shutdown ** ** Machine Shutdown **
  
-   1. Log Machine settings, log radiation monitor tape if necessary. +   Log Machine settings, log radiation monitor tape if necessary. 
-   2. Switch stabilizer to "​AUTO"​ +   Switch stabilizer to "​AUTO"​ 
-   3. Put cup in -- when putting in L.E.  cup at high terminal voltage be prepared to run belt charge down as terminal voltage will increase when the beam loading is removed. +   Put cup in -- when putting in L.E.  cup at high terminal voltage be prepared to run belt charge down as terminal voltage will increase when the beam loading is removed. 
-   4. Switch stabilizer to "​STANDBY"​. +   Switch stabilizer to "​STANDBY"​. 
-   5. Turn "​GRIDDED VOLTAGE TUBE LENS" ​ down and then push the " button+   Turn "​GRIDDED VOLTAGE TUBE LENS" down. 
-   6. Run belt charge down. +   - Monitor corona current while changing belt charge; do not run in (extend) the corona points when the terminal charge may become negative (i.e. with the plastic belt). ​ Reverse current will damage the stabilizer circuit.  
-   7. Turn belt charge "​OFF"​. +   ​- ​Run belt charge down.   
-   8. Turn drive motor "​OFF"​. +   Turn belt charge "​OFF"​. 
-   9. Start Source shut down (all control room operations). +   Turn drive motor "​OFF"​. 
-  ​10. ​Set steerers to zero and the to "​OFF"​. +   Start Source shut down (all control room operations). 
-  ​11. ​Run magnets and quadrupole lenses down ( coarse to zero, fine to 500),  the punch the "​power"​ button. +   - Set steerers to zero and then to "​OFF"​. 
-  ​12. ​Turn the beam profile monitor ​ (BPM) to "STANDBY+   - Run magnets and quadrupole lenses down (coarse to zero, fine to 500), then turn off (push the "​power"​ button)
-  ​13. ​Turn buncher and chopper power to "​OFF"​. +   - Turn the beam profile monitor (BPM) to "OFF
-  14. Run low energy extension ​(L.E. EXT.) einzel ​lens down. +   - Turn buncher and chopper power to "​OFF"​. 
-  ​15. ​Switch stabilizer to "​OFF"​. +   - Complete control room source shutdown and run low energy extension einzel ​lenses ​down. 
-  ​16. ​Turn key switch "​OFF"​. +   - //(Only for maintenance shutdown)// ​Switch stabilizer to "​OFF"​. 
-  ​17. ​Complete source shut down in vault.+   - //(Only for maintenance shutdown)// ​Turn key switch "​OFF"​. 
 +   - Complete source shut down in vault.
  
  
playground/shutdown.txt · Last modified: 2017/04/17 11:45 by jacobs