Problem sem4160 SNF 2008-08-02 20:53:04: small allen key is missing

James Conway jwc at
Mon Aug 4 11:07:42 PDT 2008

Just getting back to SNF after the weekend...

The fallen key set for the sample mounts are in the tweezer box on top 
of the load lock.  There are several very small 0.5 and 2 mm and then a 
larger 4 mm allen wrench.  I will check on them when I get into the 


John Shott wrote:
> Mario:
> I'm equally dismayed when things like that disappear ...
> While I don't know enough about the 4160 to know where this is used or 
> to know which is the proper size, I've left 3 sets of allen wrenches 
> that, I think should allow you to proceed:
> 1. I've left my metric set that goes down to 1.5 mm (in the red holder)
> 2. I've left a metric set in the blue case that has even smaller 
> metric sizes (0.7, 0.9, and 1.3 mm)
> 3. Finally, although I doubt that the Hitachi uses english sizes, I've 
> also left a set of english allen wrenches that goes down to 1/16" and 
> 0.050".  That's the set in the yellow holder.
> Note: none of these are guaranteed to be particularly clean so you 
> probably want to wipe the proper one with a lab wipe and some 
> isopropyl before using it on anything that will be inside the vacuum 
> chamber.
> Hopefully, one of these will get you back on the air ... and, if you 
> tell me which one is the correct size, I'll get several to be placed 
> in the tweezer box.
> Thanks,
> John
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