Problem fiji2 SNF 2012-05-22 17:58:59: various issues

[kavehm at snf.stanford.edu]

1. MFC 2 reads at 15 sccm even when set to 0.
2. Mechanical sample loading becoming increasing difficult.
3. Flaking on chuck
4. When loading sample, need to do a pump w/o turbo first then transfer sample.