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RE: Disassembling TR3 Tranny-questions

To: <triumphs@Autox.Team.Net>
Subject: RE: Disassembling TR3 Tranny-questions
From: "Randall" <tr3driver@comcast.net>
Date: Fri, 8 Oct 2004 19:46:02 -0700
> First is with the through out shaft.  The instructions on
> removing this are
> simple enough..remove the wire securing the bolt that holds the clutch
> operating fork arm to the shaft and remove the bolt. Done...no problem.
> Remove the grease fitting and bolt on the side opposite the clutch slave
> cylinder side and then slide the shaft out.  Well, it does not slide out
> and my original thought was the build up on the shaft from years of
> accumulation.  The  fork itself is not sliding of the shaft, even
> with some
> coaxing with a hammer.  Nor will it rotate around the shaft.  I've tried
> this on both trannies and they both  have the same problem. So I think I
> may be missing something.  Anyone share some ideas on this problem?

I think Bob has already covered most of it, I'll only add that people
sometimes add various means of locking the fork to the shaft.  Check for
signs of weld bead, additional bolts, etc.  And of course check the bottom
of the hole for the broken end of the pin.

If all else fails, HF sells a cheap 4" angle grinder that can be used to cut
fairly quickly (took me about a minute) through the shaft between the fork
and the lever side of the bellhousing.  That will allow you to remove the
old shaft, and new shafts are available from the usual suspects.

I would also recommend adding a bolt to lock the fork to the shaft when you
reassemble.  Having to pull the gearbox out to replace the taper pin is
aggravating to say the least, and the extra bolt seems to be an effective
solution to the problem.  Be sure to assemble the right way around,
including the taper pin, before you drill the new hole for the bolt.

> Second is with the removal of the speedo gear.  Again I've followed the
> instruction in the Bentley and removed the retaining bolt but the
> gear does
> not want to come out.  Is the gear itself screwed in?  There are flats on
> the side of the shaft protruding from the gear  box below the threads for
> the speedo cable.

I'm not sure which set of flats you're looking at ... there are flats both
on the gear outside where it engages with the cable (that section has been
formed square to engage with the square cable end), and on the threaded
adapter that should be screwed into the carrier for the gear.  The adapter
does not need to be removed first, it can be pulled out along with the
housing.

However, the housing itself is sometimes hard to remove.  Best method I've
found is to install the nut from a trashed speedo cable, and then use a pair
of pry bars to pry up under the lip of the nut on both sides at the same
time.  It can take a fair amount of force.

Randall

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