I used the 15mm from the original instruction and have had no trouble
with squealing whatsoever. I would go with least preload to start and
add more only if needed. John Mitchell 76 TR6 72 STag
Tomislav Marincic wrote:
> Hello,
>
> I'm installing the external spring for the Gunst throw-out bearing in my TR6,
>and I'm a little concerned about the amount of tension specified in the most
>recent instructions.
>
> The original German instructions, available at the Buckeye Triumphs web site,
>specify stretching the spring 15mm to supply pretension. My written
>instructions from TRF called for 25mm, but I talked with Dave Swauger
>yesterday about a related issue, and he told me TRF now recommends 30mm, and
>using the bottom lever arm hole instead of the top, as originally specified.
>
> I'm worried about frying my thrust bearings in short order with that much
>preload. 30mm of stretch produces a lot of preload, and using the bottom lever
>hole increases the effect at the TOB further. Is it really necessary?
>
> Has anyone out there got some first-hand experience at a lower preload level?
>Was the TOB chirping or causing other problems?
>
> TIA, Tom
> CC55483L
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