Re: [NSW] Tangara problems

[David Johnson <trainman@ozemail.com.au>]

Jonathan Lau wrote:

> Hubert Lam wrote:
>
> > So apart from driver and passenger's complaints about how seats are
> > hard and terminal doors swining open, what are some of the
> > technical/mechanical aspects that have proven to be extremely
> > troublesome? In my original post I referred to the "loud braking"
> > around year 1993-5 (not 93-5 as in some technical jargon), what was all
> > that about? I don't seem to hear that sort of noise now.
>
> I do recall that Tangara's had loud braking when stopping at stations and
> flats were developing at a fast rate.
>
> At first they blamed the drivers, saying driver error/misuse, but I read
> somewhere (years ago) that there was a design fault in the electronic
> brakes circuit board. Apparently the circuit boards tracks were wired to
> the wrong transistors (or something like that). Once they replaced the
> boards, the loud braking became history!
>
> I think it was around 1992-1993 that they discovered it.

That may have been the cause of the flats, but the loud brakes were caused
simply by vibration.  I think they changed the brake pad compound to fix that
problem.


--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
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