[TR] Triumphs Digest, Vol 9, Issue 288

TERRY SMITH terryrs at comcast.net
Sat Dec 24 08:34:27 MST 2016


Yup.  You were right.  Key was buggered and the slot in the hub was too worn for a fresh key.  Had spares of each, thank goodness.  

Merry Christmas, all.

Terry
> On December 22, 2016 at 7:37 PM Randall <TR3driver at ca.rr.com> wrote:
> 
> 
> > I would use loctite but if it was correctly torqued ???
> 
> I'm not sure what the "correct" torque is; but I can confirm that bolt tends
> to work loose even when tightened to over 100 ftlb.
> 
> Lots of high frequency torsional vibration in that area; in fact it has been
> suggested that the rubber bushings in the fan mount tend to act as harmonic
> dampeners.
> 
> Oil resistant blue Loctite seems to work well, but takes significant extra
> effort to remove.
> 
> Be sure to check for damage to the keyway in the hub.  In my case, the hub
> was ruined, and the crank nose worn undersize from the hub working back and
> forth on the clearance to the key.
> 
> Randall
> 
> 
> 
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