[Coco] FD-502 replacement drives

[John Mautz]

CB,

I'm looking for the D502 drives.  If this is what you have, I'm open to
what you suggest.

Thanks
John.

On Dec 18, 2017 5:44 PM, "camillus gmail" <camillus.b.58 at gmail.com> wrote:

> Hi Gene,
>
> Are you looking for the 5.25 drives, or the smaller 3.00 inch drives?
>
> I have two of the 5.25 drives and to be honest can't use them because I do
> not have any floppies anymore...
>
> If you send me 1 floppie I can test them, and maybe we can swap.
> I need a 512 triad memory upgrade, which I believe is sold by Mark
> Marlette for $50.00.
>
> Let me know if interested...
>
> cb
>
> On 12/18/2017 2:24:31 PM, Gene Heskett <gheskett at shentel.net> wrote:
> On Monday 18 December 2017 14:27:13 John Mautz wrote:
>
> > Hello,
> >
> > I have had two FD-502 enclosures for a few years now and when I
> > installed them today, neither drive worked. I do have and FD-501 with
> > 2 drives and it seems to work (I don't have a lot of disks to test
> > with). I would like to restore my FD-502 to a 2 drive system in
> > working order. Why, because the drives are supposed to be double
> > sided.
> >
> > Anyone have 2 working FD-502 drives they would be willing to part
> > with?
> >
> Are you able to remove the drives?
>
> If so. you will likely find the lubricant on the rails the head carriage
> slides on, a dried up caked mess. Clean those rods with paint store
> alcohol and put a thin film of vasolene or similar very light grease on
> them again. If the motor to head carriage connection is a very thin
> steel tape, it wouldn't hurt to clean it also as an old film of
> cigarette smoke will change its diameter enough to miss track on the
> inner tracks. If the motor is on the rear of the drive and has a long
> screw shaft, clean the gunk out of the groove in the shaft, and recoat
> with vasolene, ditto the tracking wire and the bronze leaf that serves
> as the drive nut. All this needs to be clean and lubricated. Quiet, you
> can't alway hear them stepping drives, are surefire signs the drive is
> due for a clean and lube job. The noisy drive is the one thats stepping
> accurately from track to track.
>
> While you have access, wet a q-tip and run it between the head faces to
> clean the heads. If any color comes off on the q-tip, toss it, get a new
> one and "wash, rinse, and repeat" till the wet q-tip stays clean. But do
> not bend them for a better view. Just slip the wet q-tip between them.
>
> > or
> >
> > Anyone know of a good source to find replacement drives? (Mitsumi
> > Elec. Co. - D502).
>
> These are genuine antiques today, buyer beware.
> >
> > Oh, and yes I have and email out to see if the SDC master (Zippster)
> > has any CoCoSDC's avail for sale.
> >
> > Thanks for the help.
> >
> > John.
>
>
> Cheers, Gene Heskett
> --
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