Accelerator Handbook

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playground:alarms [2016/05/04 09:53] – [Pelletron AC Power Center: Located in the Vault by the sputter source gate.] jacobsplayground:alarms [2026/06/25 16:12] (current) – external edit 127.0.0.1
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 {{playground:im003639.jpg|}} {{playground:im003639.jpg|}}
 +{{playground:emopanel3.jpg|}}
  
-  - Identify which EMO was pushed and investigate the situation that led to the Emergency Stop event.+**Actions:** 
 +  - Identify which EMO was pushed (see the Emergency Off Annunciator Panel) and investigate the situation that led to the Emergency Stop event.
   - Follow Section VIII of the Radiation Safety Handbook if there was any possibility of exposure.   - Follow Section VIII of the Radiation Safety Handbook if there was any possibility of exposure.
   - Otherwise, provide a detailed written account of the event in the Electronic Logbook.  Describe who was involved, which button was pushed, why it was pushed, and describe the course of events thast led to the Emergency Stop.   - Otherwise, provide a detailed written account of the event in the Electronic Logbook.  Describe who was involved, which button was pushed, why it was pushed, and describe the course of events thast led to the Emergency Stop.
-  - Reconfigue the TPS and CHARGING CONTROLS as directed in the Accelerator Shutdown procedure.+  - Reconfigure the TPS and CHARGING CONTROLS as directed in the Accelerator Shutdown procedure.
   - Reset the activated EMO.  Turn the red knob in the direction indicated by the arrows.  The knob will pop outwards when it releases.   - Reset the activated EMO.  Turn the red knob in the direction indicated by the arrows.  The knob will pop outwards when it releases.
   - Go to the Vault and reset the Pelletron AC Power Center.  You may hear faraday cups operate when you do this.   - Go to the Vault and reset the Pelletron AC Power Center.  You may hear faraday cups operate when you do this.
   - Go to the Control Room and place all faraday cups in the "IN" position.   - Go to the Control Room and place all faraday cups in the "IN" position.
   - Follow the Accelerator Startup Procedure and resume operations.   - Follow the Accelerator Startup Procedure and resume operations.
- 
  
    
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 A "HIGH RAD MODE" switch is located on the Faraday Cup Control Module.  When this switch is in the "OFF" position the LE cup will lift instantaneously and the audible and visual warning will be active for 15 seconds.  When this switch is in the "ON" position there will be a 15 second delay between pushing the LE Cup "OUT" button and the actual lifting of the LE Cup, as well as the 15 second audible/visual warning. A "HIGH RAD MODE" switch is located on the Faraday Cup Control Module.  When this switch is in the "OFF" position the LE cup will lift instantaneously and the audible and visual warning will be active for 15 seconds.  When this switch is in the "ON" position there will be a 15 second delay between pushing the LE Cup "OUT" button and the actual lifting of the LE Cup, as well as the 15 second audible/visual warning.
  
- The Operator shall place the HIGH RAD MODE switch in the "ON" position when:+ **The Operator shall place the HIGH RAD MODE switch in the "ON" position when:**
  
   * The experiment conditions are known to produce measurable radiation   * The experiment conditions are known to produce measurable radiation
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   * Any time there is uncertainty in the radiation that will result from the experiment conditions   * Any time there is uncertainty in the radiation that will result from the experiment conditions
  
- The Operator may place the HIGH RAD MODE switch in the "OFF" position when:+ **The Operator may place the HIGH RAD MODE switch in the "OFF" position when:**
  
   * The experiment conditions are known to NOT produce measurable radiation   * The experiment conditions are known to NOT produce measurable radiation
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 The Tritium monitor is normally left on the x1 scale with the alarm level set at the maximum of the range (~10  microcuries/meters3).    The maximum allowable level is 20 microcuries/meters3. The Tritium monitor is normally left on the x1 scale with the alarm level set at the maximum of the range (~10  microcuries/meters3).    The maximum allowable level is 20 microcuries/meters3.
  
-**If the Tritium monitor is alarming:**+**Actions if the Tritium monitor is alarming:**
  
 ////-Check that there is air flow through the ion chamber.  The Tritium Monitor will alarm if the pump is not on//// ////-Check that there is air flow through the ion chamber.  The Tritium Monitor will alarm if the pump is not on////
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