[Fot] Transmission Question - more

[Steve Yott]

Larry,
After having a number of these boxes apart my bet is that the lever arm for
the reverse gear has been screwed in too far.  This is the adjustment for
how far the pins on the ends of the arm engage both the gear and the
operating lever in the top cover.  If the stud that this arm screws onto was
removed from the case then it must be readjusted during assembly while the
stud is pulled back into the case with the securing nut.  The spline on the
stud stops it from turning when installed but the threads on the stud and
the arm are what adjust the distance the lever fits into the gear.  Hard to
explain but if you had this apart I think you will understand the concept.
A rotten two hour job!!!

Steve Yott 

-----Original Message-----
From: fot-bounces at autox.team.net [mailto:fot-bounces at autox.team.net] On
Behalf Of Larry Young
Sent: Thursday, June 28, 2012 6:25 PM
To: fot at autox.team.net
Subject: Re: [Fot] Transmission Question - more

And then there is the rest of the story.  We checked this thing out
manually, before stuffing it back in the car.  I checked it out on jack
stands and it shifted through all the gears, including reverse.  I backed it
out of my garage and drove it onto the trailer to take it back to the body
shop for some panel alignment.  Then there was no longer any reverse.  I
haven't pulled the top cover off yet, but am willing to bet the gear is no
longer engaged in the shifter lever.  Has anyone else had this problem?  How
did you fix it?  Having tried to figure an easy way to get it reengaged, I
can't imagine how it got out. This should be a very interesting problem, but
not one that I really wanted right now.  
My only thought is that there is a chunk out of the side of the gear, but I
can't believe we would not have noticed that.
Larry

On 6/26/2012 7:04 PM, Larry Young wrote:
> Yes, I played around with a spare transmission.  The stud can be moved 
> a bit, both the reverse idler gear and the reverse gear on the main 
> shaft prevent it from coming all the way out.  I'm always hoping for 
> an easy way out.
>
> As it turned out, two of my Triumph buddies, John Phillips and Sam 
> Clark, came over and helped me out of this dilemma.  It didn't really 
> take as long as you would think.  We pulled the transmission and OD.
> Pulled the OD off the back.  Removed the adapter plate. Removed the 
> small metal plate that locks the counter shaft and reverse shaft in 
> position.  Slid the reverse shaft back until the gear was lose.  Used 
> a magnet to work the gear into the lever and align it with the reverse
> shaft.   Slid the shaft back in.  Reattached the locking plate.  
> Bolted the OD back on and stuck it back into the car.
>
> In the OD repair manual at vtr.org, Sam and I suggested mounting the 
> OD and transmission when in a vertical position.  This keeps the two 
> splines from becoming misaligned.  We used that method today and it 
> worked beautifully.  Mounted the OD vertically with the rear flange on 
> a piece of wood.  Dropped the transmission into it and tightened it 
> down without a hitch.  The worst problem we had was getting the 
> tranny/OD back into the car.  That took a couple of hours of jacking 
> around.  But eventually, the transmission relented.
>
> This car is the TR250 I've had since it was new.  It served as the get 
> away car for my wedding in 1970 and Tom's (my oldest sons) wedding in 
> 2008.  We are trying to get it restored (or at least semi-restored) 
> for my other son (Matt's) wedding in a couple of weeks in Milwaukee. I 
> thought this problem had blown us out of the water, but with the help 
> of my Triumph friends, I think we still have a good chance of having 
> it there.
>
> Thanks,
> Larry Young
>
> On 6/26/2012 12:55 PM, Randall wrote:
>> The original question was basically "Can that be done without 
>> removing the reverse gear and shaft?"
>>
>> I think the answer is "no", but I'm not certain, never tried it 
>> myself.  In fact, I'm not sure I've ever removed the lever at all.
>>
>> -- Randall
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