[C320-list] SEIZED SHEAVES ON END OF BOOM

[djgleason1 at juno.com]

I have taken the end bracket off in order to replace the sheaves.  Have
experienced no problems.  If the sheaves are moving forward, possibly the
axle is too small or the center hole on the sheaves is too large.  There
should be minimal play in them.  Another thought would be to use smaller
diameter sheaves.

Dave Gleason
Proud Mary, #150


On Thu, 14 Oct 2010 14:59:17 -0500 "Chris Descher"
<cdescher at cedtulsa.com> writes:
> I've got hull 500 and the same problem.  What I found was the axle 
> seems to
> be too short allowing it to move too far forward.  This allows the 
> sheaves
> to also move too far forward and press against the boom.  To me, it 
> seems
> that if the axle were longer it would stay further aft allowing the 
> sheaves
> to turn.  I gave up after that.
> 
> -----Original Message-----
> From: c320-list-bounces at lists.catalina320.com
> [mailto:c320-list-bounces at lists.catalina320.com]On Behalf Of
> sail-ability at sympatico.ca
> Sent: Thursday, October 14, 2010 1:56 PM
> To: Catalina List
> Subject: [C320-list] SIEZED SHEAVES ON END OF BOOM
> 
> 
> 
> Does anyone have a quick solution to this problem? I've tried to 
> loosen them
> up with various lubricants but they refuse to move. I'm now looking 
> at
> removing the end of the boom to get better access to the sheaves and 
> axles.
> Thanks
> JohnM
> #574
> 
> 
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