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operation:technical
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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operation:technical [2018/01/12 05:48] Warren Hankey |
operation:technical [2018/01/28 22:02] (current) Warren Hankey |
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| http://webcamyg.phys.utas.edu.au | http://webcamyg.phys.utas.edu.au | ||
| - | ===Cryo=== | + | ==== 26 m Telescope ==== |
| + | ==Receiver Position== | ||
| + | In Otter interface [r] resets box in focus cabin. If receiver position display is "zero" indicates error (all bits zero) indicative of reset required. | ||
| + | Above fault also means auto receiver position not working. | ||
| - | Warmed and pressure drop | + | ===Cryo System=== |
| + | |||
| + | Action plan after warmed and severe pressure drop. Compressor has cut out as pressure went below 150 psi | ||
| - commence vaccuming S/X using turbo pump | - commence vaccuming S/X using turbo pump | ||
| Line 41: | Line 46: | ||
| compressor and increase the pressure to 300 psi supply. | compressor and increase the pressure to 300 psi supply. | ||
| - | - locate the leak | + | - locate the leak. Leak detector goes yellow for heavy molecules, red for light gas. Keep skin away from tip, and don't breathe near tip. |
| - power down the compressor | - power down the compressor | ||
| Line 47: | Line 52: | ||
| - replace leaking hose | - replace leaking hose | ||
| - | - power up the compressor | + | - power up the compressor, must have > 150 psi to start |
| - | -top helium up to 300 psi | + | -top helium up to 300 psi once compressor running |
| - commence s/x cooling by turning on cryo S/X power in diesel room | - commence s/x cooling by turning on cryo S/X power in diesel room | ||
/home/www/auscope/opswiki/data/attic/operation/technical.1515736080.txt.gz · Last modified: 2018/01/12 05:48 by Warren Hankey
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