[Duo2400] Removing trackball (Was: Re: [Duo2400]

[Richard Adams]

I'm afraid you just have to rely on your fingertips to get purchase, Bill, 
not always an easy thing with these. I had to use a pocket knife on one to 
gouge a small indentation that I could push on to rotate it - a bit of an 
aesthetic sticky wicket, but not really a major one. IIRC, it goes 
counterclockwise.

Good luck!

The Winfidel (since I'm now using Linux, too, maybe I'm a part time 
Linfidel!)

BTW, does anyone know of a Linux/Unix implementation that will run on a 
PowerBook Duo 230, 270C, or 280C? I haven't heard of one at this point. I 
have a 230 that's currently not being used for anything, and might want to 
convert it. Thanks!

>From: Bill Judson <jutso at ripco.com>
>Reply-To: "Duo/2400 List" <DuoList at lists.themacintoshguy.com>
>To: "Duo/2400 List" <DuoList at lists.themacintoshguy.com>
>Subject: [Duo2400] Removing trackball (Was: Re: [Duo2400]
>Date: Thu, 24 Jul 2003 19:47:33 -0500 (CDT)
>
>Sounds good. My only problem is that I don't see any obvious way to rotate
>the ring off...there are no groves or treads that I can exert pressure on
>to rotate, as a desktop mouse usually has, or any obvious way to get my
>fingernails or a screwdriver under the ring, without my seeming to
>risk breaking it...or is this in some documentation I don't know about? It
>doesn't seem to be in the service manual, that I can tell, or the user
>manuals....
>
>TIA,
>
> > You should just be able to rotate and remove the retaining ring and
> > trackball. Once those are out of the way you can clean the rollers.
> > FYI, I had a 280c that exhibited that problem, turns out oneof the
> > plastic rollers had disappeared so I bought a replacement assembly for
> > $10.
> >
> > ~ Larry, Darn Good Design.
> >
> >
> > On Tuesday, July 22, 2003, at 09:52  AM, Bill Judson wrote:
> >
> > [...]
> > >
> > > While we're on the subject of trackballs, anybody have any advice on
> > > how
> > > to open up the trackball assembly itself?
> > >
> > > I have a 270c whose trackball seems to have lost its grip, especially
> > > when
> > > moved vertically -- often it will just spin & spin without grabbing
> > > whatever it is it is supposed to grab. I imagine that it's like a
> > > desktop
> > > trackball, in that there are little rollers that occasionally get
> > > gunked
> > > up, as with mice.
> > >
> > > Maybe I'm wrong; I have the service manual, but there doesn't seem to
> > > be
> > > anything specific about how to get into & under the trackball itself
> > > (as
> > > opposed to removing the assembly as a whole). Thanks,
> > >
> > > --
> > > Over,
> > >
> > >         Jutso
> > >
> > > 	http://pages.ripco.net/~jutso/
>
>
>--
>Over,
>
>         Jutso
>
>	http://pages.ripco.net/~jutso/
>
>
>
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