DEC Tape TU56 head pictures
Mike Katz
bitwiz at 12bitsbest.com
Wed Feb 9 16:11:29 CST 2022
Thank you.
On 2/9/2022 3:46 PM, Chuck Guzis via cctalk wrote:
> On 2/9/22 12:44, Gavin Scott via cctalk wrote:
>> On Wed, Feb 9, 2022 at 10:11 AM Mike Katz via cctalk
>> <cctalk at classiccmp.org> wrote:
>>> I'm still not sure how to clean the front of the head where the tape
>>> touches the head. Any ideas?
>> Back in the day there was "Tape Head Cleaner" Which was a little tin
>> of trichlorotrifluoroethane (a.k.a. Freon 113) where you screwed the
>> cap off and it had a rod with a fluffy ball on the end inside, and you
>> would slather that all over the heads of 9-track tape drives etc. It
>> evaporated almost instantly. Of course after evaporating it floated up
>> and destroyed the ozone layer, so probably not super obtainable these
>> days.
>>
>> A search for "Tape Head Cleaner" suggests there are similar modern
>> formulations used for HiFi equipment etc. that might be applicable.
> I find that perchloroethylene works to get stubborn tape-head deposits
> cleaned up. Can be found in some formulations of brake cleaner as well
> as the usual dry-cleaning solvent. Nonflammable, but somewhat toxic,
> so use in a well-ventilated area. Not really plastic-safe, so use
> sparingly. Also makes a great solder flux remover from PCBs.
>
> --Chuck
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