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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. | ||