[Public-List] Main Haylard Sheave Bolt

[David Fay]

Where to find a replacement?

Try: https://rwrope.com/products/wire-rope-sheaves?variant=30211020095541 <https://rwrope.com/products/wire-rope-sheaves?variant=30211020095541>

> On Mar 12, 2020, at 10:41 AM, Jonathan Bresler via Public-List <public-list at lists.alberg30.org> wrote:
> 
> Thank you all for your suggestions.
> 
> Success!  Penetrating fluids (PB Blaster and Boe T-9) combined with driving
> the loosened nut till it landed on the side of the mast, followed by
> hammering on a drift finally drove the bolt and the sleeve out together.
> Bolt and sleeve still firmly fused together.
> 
> It’s the original Tufnol block.  Where to find a replacement?  Center hole
> is 5/8” and 6-1/4” diameter (from memory) by 17/32” thick.  There is 0.060”
> of side to side play between the sheave and the two aluminum plates on
> either side.  Could add two shins of 0.030” nylon on either side to fill
> the gap.
> 
> Need to add a stop at the top of the mainsail track.  In the past, I have
> had the top slide pop off the track.  No more of that!
> 
> Jonathan
> 
> On Mon, Mar 9, 2020 at 5:09 PM Mike Lehman via Public-List <
> public-list at lists.alberg30.org> wrote:
> 
>> And spray with Boeshield T9 (magic stuff)
>> 
>> On Mon, Mar 9, 2020, 4:25 PM Michael Grosh via Public-List <
>> public-list at lists.alberg30.org> wrote:
>> 
>>> A bigger hammer and a drift pin? It sounds like where it is binding is
>> the
>>> brass/bronze bearing in the sheave-possibly distorted? If so, the beating
>>> involved wouldn't stress any of the rest of the assembly directly. I am
>>> assuming you are going to replace the sheave anyway, I would. I have.
>>> MichaelGrosh
>>> #220
>>> 
>>> On Mon, Mar 9, 2020, 14:09 Jonathan Bresler via Public-List <
>>> public-list at lists.alberg30.org> wrote:
>>> 
>>>> Folks,
>>>> 
>>>> Tried to pull the main halyard sheave bolt.  That bolt has been there
>>> since
>>>> 1967, I'm guessing.  The bolt passes through a sleeve and the sleeve
>> goes
>>>> through the holes on either side of the mast.  The sheave appears to be
>>>> Tufnol (brown color combination of resin impregnated cloth).  Guessing
>>>> that is 1967 vintage as well.
>>>> There are two plates, one on each side of the sheave, as well.
>>>> 
>>>> The bolt and sleeve, they move together will not come out of the
>> hole.  I
>>>> can get it to move till the end of the bolt almost clears the plate on
>>> the
>>>> side of the sheave, but not quite.  Have pulled, twisted, pushed
>> (using a
>>>> drift).  No luck.
>>>> 
>>>> Any suggestions?  How have others managed the to get the bolt out.
>>>> 
>>>> Jonathan
>>>> --
>>>> Jonathan M Bresler
>>>> S/V Constance Alberg 30 #262
>>>> Annapolis/Eastport MD
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> -- 
> Jonathan M Bresler
> S/V Constance Alberg 30 #262
> Annapolis/Eastport MD
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
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