Logbooks Lab Maintenance Evaporator_1 Evaporator_2 Laser cutter Target Production Test-Stand RH-ISAC RH-Cyclotron RH-Meson Hall RH-Beamlines RH-ARIEL
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Message ID: 54     Entry time: Wednesday, August 08, 2012, 14:40
Author: Isaac Earle 
Category: Repair 
Type: Target 1 
Specific: Target 
Subject: T1-MK1 Target Repair Complete 

- Re-wired profile monitor was received from Probes Group and installed on the target

- Protect and profile monitors were 'blip' tested, both OK

- Profile monitor actuation and limit switches tested, all OK (monitor starts to travel @ 20psi, fully engaged at ~40psi)

- Elevation measurements taken for profile and protect monitors

- Target ladder moved to position 3 (12mm Be target)

- Noticed strange 'click/twang' noise when moving target ladder, found to be caused by twisted bellows on water supply tube

- Bellows was straightened, and the target was leak checked again (still leak tight)

- Noticeable wear was found on potentiometer wires.  Pot values still read accurately.  Travis C. inspected and does not think they need urgent replacement.  Will have Probes Group look at it next time the target is in the HC (they are very busy now).

- T1-MK1 target transported from HC to storage pit location #3  (ready for use in beam line)

- T2-MK1 target transported from storage pit to HC (max field: 97,000 μSv/hr @ 0.5m)

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