[TR] Overdrive Dial Indicator

[TERRY SMITH]

Yeah, did do the drill bit. Kept shifting in an out of OD. Then put the actuating lever on the outside of the drill bit (instead of the drill bit into it) and that seemed to work. Thought I had it conquered..until it dropped out of OD after several minutes of driving. Replaced the clamp on the solenoid side thinking it might be slipping or sticking. Didn't fix it either. OD was rebuilt by Quantum winter before last, but could nevertheless be something more than an adjustment. Have used NAPA 30 weight (as John Esposito put in) as well as Redline MT90 at correct fluif level. I'll adjust it with a dial indicator then test operationally again. If still an issue, will have to delve much deeper. Troubleshooting tough problems, fixing them, then enjoying the time on the road after, all part of the Triumph joy, though.
Terry

> On January 9, 2018 at 11:32 AM Randall <TR3driver at ca.rr.com> wrote:
>
>
> > It appears that in order to adjust the TR3 Type A overdrive, I'll need to
> > do it correctly. Darn that anyway! I think that somehow a dial indicator
> > is inserted where the operating valve plunger goes. Will be searching for
> > videos how to do that.
>
> Does that mean you've already tried doing it by the book? The book method
> just requires a 3/16" drill bit and no need to open the hydraulic system.
> The dial indicator method is a backup when wear has made the book method
> inaccurate.
>
> >
> > Meanwhile, any recommendations where to purchase a decent dial indicator
> > for someone who's not likely to use it too often?
>
> I'm reluctant to recommend any precision tool from Harbor Freight. Their
> quality control is pretty much non-existent (IMO), so it's pretty much a
> crap shoot whether the unit you get works properly. That said, the dial
> indicator I got from them some years ago (mostly to get the mount that came
> with it) seems to work well enough. Keep in mind though that the mechanism
> in any dial indicator is very delicate and must be protected from any shock
> (like activating the OD solenoid with the indicator resting on the ball).
> So the process is to get it mounted in place, note the reading (or turn the
> pointer if you want), then hold the plunger up (via the knob on top) while
> activating the solenoid. Set the plunger down gently and make your second
> reading (all without disturbing the mount of course).
>
> -- Randall
>
>
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