From gsosa at snf.stanford.edu  Tue Feb 14 15:50:03 2012
From: gsosa at snf.stanford.edu (gsosa at snf.stanford.edu)
Date: Tue, 14 Feb 2012 15:50:03 -0800
Subject: Shutdown headway2 SNF 2011-12-14 08:20:08: Shutdown
Message-ID: <mailman.976.1356281776.3914.headway2-pcs@snf.stanford.edu>

Replaced plenum assembly. Re-installed into wetbench. OPerational test- OK.



From bajcsy at snf.stanford.edu  Mon Feb 27 17:29:49 2012
From: bajcsy at snf.stanford.edu (bajcsy at snf.stanford.edu)
Date: Mon, 27 Feb 2012 17:29:49 -0800
Subject: Problem headway2 SNF 2012-02-27 17:29:48: plugged vacuum line on the chuck
Message-ID: <mailman.977.1356281776.3914.headway2-pcs@snf.stanford.edu>

the chuck seems to be plugged somewhere down the line -- it spins even with nothing on it and there is no suction.
also, the cover won't stay down unless wedged with a piece of aluminum foil.



From gsosa at snf.stanford.edu  Tue Feb 28 08:54:36 2012
From: gsosa at snf.stanford.edu (gsosa at snf.stanford.edu)
Date: Tue, 28 Feb 2012 08:54:36 -0800
Subject: Problem headway2 SNF 2012-02-27 17:29:48: plugged vacuum line on the chuck
Message-ID: <mailman.978.1356281776.3914.headway2-pcs@snf.stanford.edu>

Cleaned out spindle shaft. Tested operation. All OK