Unsticking a Seagate ST-419 head

Al Kossow aek at bitsavers.org
Wed Oct 19 20:20:44 CDT 2016

I have a couple of drives I would really like to recover the data from.
On one of the two I've tried so far, the lowest head in the stack is really stuck on.
Has anyone successfully unstuck a head from this era. I've tried the obvious things
(gentle rotation in both axis, heating the platters) but there is a lot of surface
area on those old heads and it is pretty badly stuck.

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