Micropolis 1355 ESDI hard drive "sticky bumpers" Fixed!

[Andy Piercy]

Allison,

Well hats off to you, it worked!

I have now fixed the faulty internals of the two faulty Micropolis hard
drives by teasing out the black gooey mass that use to be the head park
rebound bumper / end stops for each drive.

They had turned into a black sticky mush and as you correctly identified
were holding the heads from un-parking.

However one of the logic board has also gone faulty so if anyone has a spare
faulty drive they would be willing to part with the hopefully working bottom
logic board please contact me.

Drive type:                               Micropolis 1355 ESDI 5 1/4 full
height (144 MB)
Part no.                                   900568-11-4a
Faulty PCB part number:          101942-04-3 B2
Eprom fitted:                            800140-03-0 (But this is just for
ref)

Many thanks,

Andy.