Difference: WohlwendUse (5 vs. 6)

Revision 605 Feb 2013 - Main.MarienaSilvestry

 
META TOPICPARENT name="HighPressFreezer"
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Principles & Protocols

Protocols - Wohlwend

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Start up

  • Open nitrogen gas valve
  • Press yellow "System Dry Up" button. Run gas through for 30 minutes.
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  • Turn off "System Dry Up."
 
  • Press green "On/Off" button
  • Press green "Nitrogen" button
  • Open liquid nitrogen tank
  • Wait until red "Nitrogen Level" light goes out
  • Press yellow "Drive in" button.
    • Yellow light will start flashing
    • "Piston Down" red lamp will go on
    • Oil pressure will increase to 100 bar
    • "Drive In" light will go out
  • Press green "Auto" button.

Use

  • Insert holder and safety pin
  • Green "Jet Ready" lamp should light
  • Press yellow "Jet Auto" button
  • Wait for yellow "Jet Over" lamp
  • Pull pin and remove sample

Measuring temperature and pressure (traces to check performance)

See attached document:
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<		 * How_to_record_temperature_and_pressure_traces_on_the_Wohlwend_HPF.docx: SOP on recording temperature and maintenance on the WW HPF
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Shut down

  • Close liquid nitrogen tank
  • Press green "On/Off" Button
  • Press yellow "System Dry Up" button * Light will blink for 10 hours while system drys
  • Once lamp stops flashing close nitrogen gas valve

  • Set ALLOWTOPICVIEW =

-- KdDerr - 03 Oct 2007

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META FILEATTACHMENT attachment="How_to_record_temperature_and_pressure_traces_on_the_Wohlwend_HPF.docx" attr="" comment="SOP on recording temperature and maintenance on the WW HPF" date="1358544928" name="How_to_record_temperature_and_pressure_traces_on_the_Wohlwend_HPF.docx" path="How to record temperature and pressure traces on the Wohlwend HPF.docx" size="321108" stream="How to record temperature and pressure traces on the Wohlwend HPF.docx" user="Main.MarienaSilvestry" version="1"
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META FILEATTACHMENT attachment="How_to_record_temperature_and_pressure_traces_on_the_Wohlwend_HPF.docx" attr="" comment="Recording press and temp maintenance on WW HPF" date="1360104102" name="How_to_record_temperature_and_pressure_traces_on_the_Wohlwend_HPF.docx" path="How to record temperature and pressure traces on the Wohlwend HPF.docx" size="321475" stream="How to record temperature and pressure traces on the Wohlwend HPF.docx" user="Main.MarienaSilvestry" version="1"
 
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