Dale-
Look at the synchro hub splines- There is likely a spline machined down to
pass over the interlock plunger. It is very important this spline is in the
correct place- otherwise you get the jam up you describe. It will only be
machined on one side of the center, to allow one way movement. It is called
the "Master Spline", and I discovered it when I reassembled my transmission
incorrectly, with the same result.
Scott
----- Original Message -----
From: "Dale" <dalfo@dslextreme.com>
To: <triumphs@autox.team.net>
Sent: Monday, May 19, 2003 9:37 PM
Subject: More on TR3 transmission problem
> I took your suggestion and disassembled the transmission. Not a bad job.
>
> I isolated the cause of the inability to shift into second gear.
>
> It seems when you attempt to shift to second, the first gear synchro
> hub moves forward about 0.060" to engage the synchro cup. But this
> movement causes the interlock plunger and ball to engage the 1st
> gear synchro sleeve, thus preventing it from moving into second gear.
>
> The float measurements check out fine.
>
> The problem could be solved by removing the interlock plunger..
> Not sure of the purpose of the interlock. What's being interlocked ?
>
> Any ideas ?
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