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Re: TR4 A type overdrive

To: pmmacy@att.net, triumphs@autox.team.net
Subject: Re: TR4 A type overdrive
From: Dave1massey@cs.com
Date: Tue, 7 Jun 2005 09:06:32 EDT
In a message dated 6/7/2005 7:53:11 AM Central Standard Time, pmmacy@att.net 
writes: 
>   I have an A type overdrive that refuses to stay in adjustment.  The 
> actuating arm (attached to the solenoid) slips on the operating shaft, and I 
>have 
> to pull the D*** dash brace and gearbox cover and re-adjust about every 500 
> miles.  I put a new actuating arm on it the last time, but it appeared a 
> little 'soft', and the 'split' pulled almost closed when I tightened the bolt 
>(as 
> had the original).  Short of welding the arm to the shaft, does anyone have 
> any ideas?

Get a point file and file (or use a Dremel with a cut off wheel as a 
minigrinder) the split open some more so you can increase the clamping force.  
Another 
option is to "knurl" the shaft but I have no idea how to do that.  Perhaps 
your local machinist can help.


Dave Massey
57 TR3
71 TR6
80 TR8




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