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Re: [TR] Speedometer drive in J-type OD

To: triumphs@autox.team.net
Subject: Re: [TR] Speedometer drive in J-type OD
From: TERRY SMITH <terryrs@comcast.net>
Date: Tue, 28 May 2019 15:29:17 -0400 (EDT)
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Importance: Medium
References: <D331504E-A088-4282-A8E0-EF21338B5811@gmail.com> <1911933643.2013000.1555699296032@mail.yahoo.com> <WC20190528033809.060008@indiefilmnet.com> <1290DC17A32C47D58B6CB357ABCB8780@RYPC>
This week my tach stopped working.  Began the dismantling process to check the 
cable, only to find out the cable had come undone from the tach.

Occasionally it's simple.  But that's not where I would normally put my money!

Terry


> On May 28, 2019 at 1:22 PM Randall <TR3driver@ca.rr.com> wrote:
> 
> 
> I would definitely check the angle drive first.  A well-known weak spot.
> 
> Also check that your speedo head turns freely.  If the bushing gets dry, it
> can drag and get hot, which makes it drag harder, which makes it get hotter
> ... Until the angle drive breaks.  Then the bushing cools off and most of
> the drag goes away.
> 
> -- Randall
> 
> > My 72 TR6's speedometer has stopped working completely. It 
> > was jumping more and more wildly and now is completely dead. 
> > Since the cable seems to turn freely in the casing I'm pretty 
> > certain the drive gear down below has just lost too many 
> > teeth to engage. 
> 
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