The ring comes off very easily just push down with a slight amount of pressure and rotate. --- Bill Judson <jutso at ripco.com> wrote: > 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/ > > > > ---------- > Duo/2400 List, The friendliest place on the Net! > A listserv for users and fans of Mac subportables. > FAQ at > <http://www.themacintoshguy.com/lists/DuoListFAQ.shtml> > Be sure to visit Mac2400! > <http://www.sineware.com/mac2400> > > To unsubscribe, E-mail to: > <DuoList-off at lists.themacintoshguy.com> > To switch to the DIGEST mode, E-mail to > <DuoList-digest at lists.themacintoshguy.com> > Need help from a real person? Try. > <DuoList-request at lists.themacintoshguy.com> > > ---------- > Dr. Bott | 10/100 Ethernet for your 2400 is finally > here! > MPC-100 | <http://www.drbott.com/prod/mpc100.html> > > RoadTools $30 PodiumPad available at Apple retail > stores, $20 Traveler > CoolPad at Staples. Both in white for iBooks at > <http://roadtools.com> > > Midwest Mac Parts ][ <http://www.midwestmac.com> > After-market parts for Macs. ][ 888-356-1104 ][ > > MacResQ Specials: LaCie SCSI CDR From $99! PowerBook > 3400/200 Only $879! > Norton AntiVirus 6 Only $19! We Stock PARTS! <http://www.macresq.com> ===== Brian Personal Email briang113 at yahoo.com __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com