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Message ID: 4391     Entry time: Wed Mar 9 17:29:11 2011
Author: steve 
Type: Summary 
Category: VAC 
Subject: single O-ring protection 

We have one single O-ring on the 40m vacuum envelope. It is on the OOC west side, facing the AP table. This O-ring has to be protected from the force of this

door. There should be 3 shims  ~120 degrees apart to carry the full load, so it is not the O-ring that is getting squashed.

This morning I found only one of these shims in place.

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