[TR] [Fot] D Type Overdrive Actuator arm adjustment
rbtr3a at cox.net
rbtr3a at cox.net
Fri Sep 15 18:34:19 MDT 2017
I set mine to .016 for a less aggressive engagement. It takes about a second to engage.
Ronnie
> On Sep 15, 2017, at 11:36 AM, Randall <TR3driver at ca.rr.com> wrote:
>
> There were several different configurations of the D-type produced; and I
> believe some parts interchange with A-type (which also came in several
> different configurations). Perhaps the unit you have originally came from
> another car, or is a mixture of parts?
>
> Anyway, my suggestion (and what I do) is to check the actual valve ball
> movement when adjusting the solenoid. I've had several A-types where the
> cam & valve stem are worn enough to make the prescribed setting method
> inaccurate.
>
> IMO the ball needs to move at least .030" for long term reliability and
> snappy shifts; although others have suggested as little as .010" to slow
> down the engagement process.
>
> The article at http://www.buckeyetriumphs.org/technical/AOD/AOD4/AOD4.htm
> Is written for A-type, but the valve arrangement is similar. The process
> should be the same.
>
> FWIW, here's a simple (and reversible) modification that IMO makes
> adjustment much easier. The custom nut in the foreground locks into the
> operating lever, so doesn't have to be held while tightening the pinch bolt.
> And the hex socket bolt is both easier to turn with one hand (while the
> other is holding the solenoid plunger and lever), and easier to get tight
> enough to keep the lever from slipping on the shaft in operation.
>
> https://i.imgur.com/mMk04fs.jpg
>
> On a TR3, it also makes it much easier to tighten the adjustment with the
> unit installed and the gearbox cover in place.
>
> -- Randall
>
>
>
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