Tom:
The speaker is inadequate - for a Tsunami decoder - especially when you have
already ripped it out with the rest of the TMCC guts. Most of us at DPV prefer
the largest base reflex speaker we can fit; in this case the DLG8 from
Railmaster. The "right speaker" comment would refer to installing the 8 ohm
version the first time, rather than initially discovering installation of the
100 ohm version doesn't work so well!! <G>
If you look carefully inside that truck with the second connector (wheel sets
removed), you will see it is connected to a tiny sensor that is under the axle
with the "sound cam" piece at its center. Not sure what it was there to
"sense", like I said, the TMCC innards are history now.
I would suggest you do a search for those shims...!
Jim
--- In [email protected], "Tom Hawley" <t.hawley@...> wrote:
>
> ----- Original Message -----
> From: raisinone
> . . . . . . . . . It worked really well when we installed the right speaker!
> . . . . . . . .
> > > > > > > > > >
> The speaker it comes with is inadequate?
> < < < < < < < < <
> . . . . . . . .
> the center axle on both U33 trucks has tiny (and I mean small!) brass shims
> under the journal bearings. The shims are only 3 or 4 thousandths and they
> can stick to the wheel sets you remove so look for them. Without the shims
> the drive tends to bind,. . . . . . . . . . .
> > > > > > > > > > >
> Uh-Oh.
>
> And a question: One truck has two wires going to it for electrical pickup.
> Fine. But the other truck has the same two wires, and then two more wires.
> What purpose do the extra pair of wires going to that truck serve?
>
> Tom Hawley -- Lansing Mich
>
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