Re: [NSW] Tangara problems

[Robert Harris <bob@fastlink.com.au>]

Softer brake pads apparently.

rgds

David Johnson wrote:
> 
> 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/
> ------------------------------------
> These comments are made in a private
> capacity and do not represent the
> official view of State Rail.
> C.O.W.S. Page 11.
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