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PostPosted: Tue May 22, 2007 8:45 pm 
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Site Rank - Deck Hand

Joined: Fri Jan 12, 2007 12:05 pm
Posts: 14
Location: Hartwell, GA
I just replaced my mast bast sheave for the main halyard along with the spacer. It is a tight, not snug fit. The sheave does not spin like a pulley sheave. Is this how its designed?? The one on my recently purchased boat was a smaller sheave with a gap allowing the halyard to jam between the spacer and the sheave, but it would spin. Another 20 on my beach has a smaller width, close to same diameter sheave, with plastic ball bearings for the main halyard mast base block. Did I get sent the wrong part or is this sheave supposed to be "slider" instead of a "turner"? It will not turn/spin like the sheave on every other block.


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PostPosted: Wed May 23, 2007 9:24 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 2552
Location: Jersey Shore
The sheave should spin. Lubricate or file down the spacer so it will spin. If the sheave dosen't spin, it will eventually get worn flat, making it harder to raise the sail.

sm


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 Post subject: Tight
PostPosted: Wed May 23, 2007 9:51 am 
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Site Admin

Joined: Tue May 27, 2003 12:44 pm
Posts: 8966
Location: Oceanside, California
Tight fit?

It is possible the aluminum ears got tweaked (more narrow). The bolt can be over tightened as well. The sheave should spin and should be solid. The bearing type does not hold up to the loads placed on it.

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Matt Miller
Director of Parts and Accessory Sales
Hobie Cat USA


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PostPosted: Thu May 31, 2007 6:31 am 
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Site Rank - Captain

Joined: Mon Jun 26, 2006 6:49 am
Posts: 82
yeah our sheave started to crack and then just crumbled when we raised the main this weekend.


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PostPosted: Mon Jun 18, 2007 5:36 am 
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Site Rank - Captain

Joined: Sun Jul 31, 2005 4:43 pm
Posts: 108
Location: Tulsa Oklahoma
we had one milled from aluminum it seems to work fine we just keep it lubed

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Tom & Nancy Page H20 803


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