[TR] High Torque Starters

[dave n]

mine came loose a couple years ago.  It allowed the starter to move about.  which caused the major power cable tab to move back and forth sufficiently that it snapped off due to metal fatigue and the car unceremoniously stopped dead.  no power as the cable was floating in space.  could have caused some interesting pyrotechnics had it hit a metal surface and grounded.

From: Dave 
Sent: Sunday, September 4, 2016 7:19 AM
To: ahwahneetr at gmail.com ; tr3a58 at verizon.net 
Cc: triumphs at autox.team.net 
Subject: Re: [TR] High Torque Starters

What is the torque values for those bolts? 

I'll bet no one knows.  Too much and you'll strip the threads.  Too loose and they will loosen up.  Without proper torquing the only reliable way to keep them tight is with lock washers or Loctite(R).  Pick your poison.

BTW, after four years the starter on the TR6 has had no such issues.  Yet.



Dave Massey




-----Original Message-----
From: Geo Hahn <ahwahneetr at gmail.com>
To: Dean Tetterton <tr3a58 at verizon.net>
Cc: TR3/6 List <triumphs at autox.team.net>
Sent: Sun, Sep 4, 2016 2:37 am
Subject: Re: [TR] High Torque Starters


What sort of lock washers were used?

For connections with a reputation of coming loose I use Nord-Locks (or a generic knock-off of same).  In one particularly difficult-to-hold location a combination of Nord-Locks and socket cap screws worked very well.

Geo

On Sat, Sep 3, 2016 at 12:48 PM, Dean Tetterton <tr3a58 at verizon.net> wrote:

  List
          Over the past 6 month's I have had 3 different Triumph's to have the 2 allen head bolts that hold the Adapter block to the starter motor to come loose. The first was a friends TR3 starter and then the starter on my TR4 race car and yesterday the starter on my street TR4. These are Allen head metric bolts about 2 inches long. Is there an epidemic going around my area? Put these back in with red loctite. Hope that does it. Getting fast at taking starters out. Check and see if your's are loose before they fall out.

  Dean T.



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