Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
  Test-Stand, Page 16 of 53  Not logged in ELOG logo
Entry  Thursday, March 08, 2012, 09:14, Friedhelm Ames, Nb#6, , , , , , , continue target heating grab.K26109.png
continue target heating up to 580 A. Strip tool for the heating up to 300A from yesyerday see below
Entry  Thursday, March 08, 2012, 14:08, Friedhelm Ames, Nb#6, , , , , , , heater ramped up grab.Z27253.png
heaters have reached final values TGHT 580 A, TBHT 230 A, some sparking during ramp up. see strip tool image attached
Entry  Thursday, March 08, 2012, 17:16, Friedhelm Ames, Nb#6, , , , , , , mass scan started 
 
Entry  Thursday, March 08, 2012, 17:39, Friedhelm Ames, , , , , , , Problems/Solutions, TPS:Q2 amd TMS:MB1 failed 
TPS:Q2 and TMS:MB1 failed during the scan. -> restarted.
Entry  Thursday, March 08, 2012, 18:32, Friedhelm Ames, , , , , , , , mass scan crashed due to a network error 
mass scan crashed due to a network error will be restarted tomorrow
Entry  Friday, March 09, 2012, 08:53, Friedhelm Ames, Nb#6, , , , , , In progress, mass scan started 
mass scan started again. Total current 3.2e-8 A
Entry  Friday, March 09, 2012, 10:56, Friedhelm Ames, Nb#6, , , , , , , scan finished Nb6_mass_spectrum.docx
mass scan is finished and saved see attached.
Entry  Friday, March 09, 2012, 13:30, Friedhelm Ames, NB#6, , , , , , , heater ramping down 
Fc0 23 nA
IG1 9.9e-7 T
start automatic heater ramping down
Entry  Friday, March 09, 2012, 17:25, Friedhelm Ames, , , , , , , , heaters and HV power supplies off 
heaters and HV power supplies have been switched off
IG1 5.1e-9 T.
Entry  Wednesday, April 11, 2012, 09:30, Friedhelm Ames, , , , , , , Failed, TSGRP1 poor vacuum 
The backing pressure at TSGRP1 does not go below 578 mT. Fault report to vacuum.
Entry  Wednesday, April 11, 2012, 09:34, Friedhelm Ames, , , , , , , , turbopumps in mass separator section started 
turbopumps in mass separator section started after power outages
Entry  Monday, April 16, 2012, 11:16, Anders Mjos, Nb#6, LP-SIS, ITW, TM1, , , In progress, Venting, purging cooling lines 
Venting chamber and purging cooling lines in preparation for target removal
    Reply  Monday, April 16, 2012, 11:56, Anders Mjos, Nb#6, LP-SIS, ITW, TM1, , , In progress, Venting, purging cooling lines 


    
        
            Anders Mjos wrote:
        
        
            
            Venting chamber and purging cooling lines in preparation for target removal
Entry  Wednesday, April 18, 2012, 12:19, Anders Mjos, , , , , , , Problems/Solutions, Noise from roughing pump TSGRP1 
Wednesday, April 18, 2012, 12:15: Blanked off cooling lines. Chamber ready to be pumped down.
Wednesday, April 18, 2012, 12:16: TSGRP1 makes unusual noise when attempting to pump down vacuum chamber. Roughing aborted for now. Edi Dalla Valle
is informed. He will have a look at it after lunch.
    Reply  Wednesday, April 18, 2012, 13:09, Anders Mjos, , , , , , , Problems/Solutions, Noise from roughing pump TSGRP1 


    
        
            Wednesday, April 18, 2012, 13:08 Anders Mjos wrote:
        
        
            
            Wednesday, April 18, 2012, 12:15: Blanked off cooling lines. Chamber ready to be
Entry  Wednesday, April 18, 2012, 13:10, Anders Mjos, No target, , , , , , In progress, Pumping down empty vacuum chamber 
Wednesday, April 18, 2012, 13:10: Roughing the vacuum chamber.
Wednesday, April 18, 2012, 13:34 : Turbo pumps started and at speed. Pressure 3.5 E-5 torr
Entry  Friday, April 20, 2012, 08:56, Anders Mjos, Nb#6, LP-SIS, ITW, TM1, , , Problems/Solutions, Insulator stand-off failure ITW-TM1-Nb#6-LP-SIS_-_TestStand.pdf
 When the target was removed from the test stand it was discovered that the custom designed insulator stand-off (ITD0400 made from Mycroy 1100)
had swollen and become discoloured in the area exposed to "heat shine" from the target oven. See attached pdf for photos of the insulators.
The heat shield lid was opened up and the target temporarily removed to replace the two insulators that had failed. These were replaced with the
    Reply  Thursday, April 26, 2012, 09:14, Anders Mjos, , , , , , , , removed Al(CH3)3 


    
        
            Friedhelm Ames wrote:
        
        
            
            connected A(CH3)3 instead of He, pumped line and valve with pump on the high voltage rack.. Opened regulating
Entry  Wednesday, May 09, 2012, 08:56, Anders Mjos, , , , , , , Problems/Solutions, TSGIG1 not working TestStand-IG.PNG
 TSGIG1 has timed out. As seen on the attached screen shot, the IG has been out since 17h May 1st.
    Reply  Wednesday, May 09, 2012, 09:16, Anders Mjos, , , , , , , Problems/Solutions, TSGIG1 not working 


    
        
            Anders Mjos wrote:
        
        
            
             TSGIG1 has timed out. As seen on the attached screen shot, the IG has been out since 17h May 1st.
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