[time-nuts] KS-24361 Power Module Repair

Al Wolfe alw.k9si at gmail.com
Tue Apr 14 10:11:05 EDT 2015


Chuck,
    Very sorry, assumed you meant for operation. This makes perfect sense 
for deconstruction purposes. My bad.

Al. k9si


> Date: Mon, 13 Apr 2015 15:18:14 -0400
> From: Chuck Harris <cfharris at erols.com>
>
> No, I meant exactly what I said.
>
> When you are removing epoxy potting compound, put it in an oven
> set to 140C, and let it cook until up to temperature.  The potting
> epoxy will become about as soft as pencil eraser rubber.  You can
> then pick at it, and get pretty big chunks to come off.  When the
> epoxy starts to feel hard again, pop it back in the oven.
>
> -Chuck Harris
>
> OBTW, we are not talking about crystal ovens here, but rather unpotting
> power supply modules.
>
> Al Wolfe wrote:
>>     This seems a bit toasty and is equivalent to 284F. Maybe meant 140F 
>> not C?
>>
>>> An oven set to 140C is your friend when doing jobs like
>>> this.
<snip> 




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