Thanks Mal for this. Problem solved! Dudley
On 5/01/2021 9:04 am, Mal Rowe wrote:
> On 04/01/2021 20:58, Anthony Dudley Horscroft wrote:
>> In the Hague I was on one of the PCCs and noted a switch on the
>> instrument board labelled, I think "Trekweg". I believe that it was
>> used to operate something - perhaps a relay under the tram - that
>> would set the points in a particular direction. Possibly an early
>> version of Vetag. Those in Sydney can perhaps confirm a similar
>> switch on their PCC, and those in Melbourne may comment on its
>> presence or absence on 980.
> Pic attached.
> As far as I know all the button did was draw enough power to ensure
> the 'power on' condition was met for the standard Collins Point Turner
> With the automatic acceleration on the PCC it could not be guaranteed
> that the tram would be drawing current at the right moment.
> By the way, the picture also shows the mechanical linkage between the
> brake handle and the back of the controller where it connected to what
> was originally the brake pedal link in the PCC controller installed in
> an MMTB box.
> Mal Rowe - who once drove 980, but didn't need to change any points.