Date: Sat, 22 May 2004 17:11:35 -0300 From: Dexter J <lamealameadingdongnospamlamelame.org> Subject: Re: replaced DCI cassette
Salutations: On Sat, 22 May 2004 20:18:11 +0100, Johannes H Andersen <johsnospamfitter_spam_gets_fried.com> wrote: > -Bob- wrote: >> >> On Fri, 21 May 2004 21:42:42 -0300, Dexter J >> <lamealameadingdongnospamlamelame.org> wrote: >> >> >Has anyone here ever taken a DI apart to see how it ticks? >> >> I prowled inside my old one. They pour some liquid plastic of >> some sort that hardens around everything. There's no way to do >> anything to the unit except replace it. > > Yes, it is either some black gooey or sometimes oil. I can't imagine that > they wear out linearly so to speak. The one I looked at, the windings in > one of the coils had melted the insulation material and presumably short > circuited the coil. Hence, what kills the DI must depend on the number of > times you're stuck in a traffic queue on a hot day with insufficient > engine cooling. Now that is interesting. I was reading up on the unit and it's engineering history and noted that they went out of thier way to "seal" the plug and coil bay in the head claiming that it shielded the rest of the car from radio interference and limited the potential for tech shock (in addition to 'the many amazing new Trionic - yada-yada-yada' guff).. At the end of the day though - it seemed to me that the whole unit must naturally act as a heat sink when tempuratures rise, which in turn boils the extemely hard working coils and drys out the rubber insulators. Maybe the answer isn't getting the coils free of the head to replace them individually - but rather - to keep the unit within operational temp limits. I wonder if there is any way to get a little breeze in there with a mini fan? I guess the problem would be making sure it remains water tight and condensation doesn't form on foggy nights. PS: My ISP newserver (UUNET.CA) seems to be failing to show several posts (according to google). If I've not replied on a thread or don't seem to be noting comments - it may be that I'm not seeing them. Anyone recommend a good free AND reliable news service or is it time to expand dexterdyne.org into newsfeeds too? -- J Dexter - webmaster - http://www.dexterdyne.org/ all tunes - no cookies no subscription no weather no ads no news no phone in - RealAudio 8+ Required - all the Time Radio Free Dexterdyne Top Tune o'be-do-da-day June Christy - It's Been A Long Long Time http://www.dexterdyne.org/888/104.RAM
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