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LBT Q4 2007 Engineering Review

This engineering review presents the status of the commissioning process for the Primary Focus Swing Arms (PF SAs) as of Q4 2007. Key highlights include the successful fixing of the preload mechanism on the right secondary arm and the setting of preload on the left secondary arm. The review outlines open technical issues, action items needed for completion, scheduling for future tasks, including wiring and testing timelines for swing arms, and resources concerning manpower availability and telescope time.

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LBT Q4 2007 Engineering Review

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  1. LBT Q4 2007 Engineering Review Swing Arms (SWA)

  2. Highlights (Q4/2007) • The PF SAs went through commissioning • The right secondary arm had its preloadmechanism fixed • The left secondary arm’s preload was set • Current Status: LBT Q4 2007 Engineering Review

  3. Open Issues • Technical • Action items on PF SA to complete commissioning • Schedule • Commissioning remaining 4 swing arms Financial • None • Resource • Mountain manpower availability • Telescope time LBT Q4 2007 Engineering Review

  4. Progress (Q4/2007) • From Planning at last review: • Commission Prime Focus Swing Arms √ • SX AS Swing Arm Preload (Depending on telescope availability) √ • DX M3 Swing Arm Wiring (Probably Q1/2008) • Scheduled for 2008/3/3 – 3/12 • More GUI testing √ LBT Q4 2007 Engineering Review

  5. Planning (Q1/2008) • DX M3 Swing Arm Wiring 3/3-3/12 • Work on PF action items • Preloading & shock absorber testing of DX M3 3/31-4/1 • Commissioning of last 4 swing arms 4/14 – 4/25 LBT Q4 2007 Engineering Review

  6. SX Excitation in Z DX Excitation in Z LBT Q4 2007 Engineering Review

  7. SX Excitation in X DX Excitation in X LBT Q4 2007 Engineering Review

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