[Beowulf] Drive screw fixed with LocTite

Bob Drzyzgula bob at drzyzgula.org
Wed Jul 23 21:31:10 EDT 2008


If the hot-swappable drives are sold by the nameless vendor 
pre-installed in the caddy, it is possible that the LocTite's primary 
purpose was for tamper evidence, as in "if you pulled that screw you 
must have been messing with the drives and we don't have honor the 
warranty no more".

Perry E. Metzger wrote:
> "David Mathog" <mathog at caltech.edu> writes:
>   
>> A vendor who shall remain nameless graced us with a hot swappable drive
>> caddy in which one of the three mounting screws used to fasten the drive
>> to the caddy had been treated with blue LocTite.  This wasn't obvious
>> from external inspection, but the telltale blue glop was on the threads
>> when the screw finally let go and came out.  It was beginning to look
>> like power tools were going to be needed to get it out, and the screw
>> head was pretty badly torn up after removal.
>>     
>
> I believe a touch from a soldering iron will usually loosen LocTite,
> but that might also damage a drive, so be careful.
>
>   
>> This is the first time I have encountered a drive screw on a removable
>> drive which was, well, unremovable.  Is this a trend or are we just
>> dealing with a sadistic assembler?
>>     
>
> I've never seen it used with a drive, it is certainly not normal.
>
> Perry
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>   


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