Thank you Ken and James,
I thought there was a possibility that my 74 vintage bogies could be safe
at the GVW of the newer coaches.
> I just did a early to late conversion this winter. The bogie boxes are
> different, as well as the bogie arms. The spindles, after the recall, are
> the same. Better to find a late coach and swap the assemblies. If you do a
> total rebuild, it is a whole bunch of work. Pressing out the top hat thrust
> bushings will improve your vocabulary skills, as will removing the bogie
> arm bushings, as the arms are step bored, and cannot be pressed through the
> assembly. I used a die grinder, ground the bushings paper thin, and an
> expanding collet slide hammer to remove them. Oh, yeah, I learned some new
> vocabulary along the way. Reaming the semifinished pin bushings is a lot of
> work if you don't have a mill. I do them by hand with a critchley expansion
> reamer. A good winter shop project.
> Jim Hupy
>
>
> John,
>
> I was just ribbing Bob about the amount of work he's putting into that '73
> -- someone's going to get a jewel!
>
> As for the bogies, I suspect they're directly interchangeable. As far as I
> know, the spindles and the swing arm pins (and related parts) are the only
> differences. Even the spindles should be the same if the '73 had the
> recall performed which replaced them. Even if there are other differences,
> I doubt they'd be as difficult to correct as it would be to rebuild the '73
> bogie. I strongly suspect that not only the pin bushings, but the bogie
> housings around those bushings, are badly worn, requiring difficult (and
> expensive) machine work to restore the housing.
>
> Ken H.
>
> On Mon, May 21, 2018 at 5:12 PM John Phillips
>
>
> > ken, are you saying there is a lot of difference between the 2 years?
> > I know the rear GVW increased between the years but did the parts really
> > change?
> >
> > On Sat, May 19, 2018 at 4:17 AM, Ken Henderson
> >
> > > What a glutton for punishment!
> > >
> > > Ken H.
> > >
> >
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--
*John Phillips*