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PostPosted: Mon Aug 26, 2013 7:25 am 
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Joined: Tue Jul 21, 2009 11:46 am
Posts: 1
We bought a new mast base hinge casting for our 1988 Hobie 18 from a Hobie dealer - it is black instead of aluminum colored like the old one. The hole the attachment pin goes through is drilled slightly off center (unlike the old one which is centered) so the hinge casting doesn't lie flat against the mast base like the old one did. My dealer said they had heard some of them don't fit. Any suggestions? I don't want to drill the hole larger & weaken it. I also worry that it might not fit right to step the mast. Has anyone had this problem?


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PostPosted: Mon Aug 26, 2013 7:48 am 
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Joined: Tue May 27, 2003 12:44 pm
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Location: Oceanside, California
I'm sure it is just changes in tooling after all these years. The current cup hinge fits a current base. Just pass a drill through the two parts when properly meshed (remove the hinge pin).

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Matt Miller
Director of Parts and Accessory Sales
Hobie Cat USA


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PostPosted: Mon Aug 26, 2013 9:33 am 
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On one of my boats.... the drill pass through required wearing away enough material to expose the dolphin striker post and it still didn't fit right. It seems like the new style vs the old style had different hole positions. 2-rivet vs 4-rivet mast bases. Mine came with a slightly bent pin that kindof worked, but I ended up finding another cup that fit properly from a newer mast.

Good luck.

Tom

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Tom
Fleet 259, Central Coast CA
H18 ('81)
H18 ('85)
H20 ('97)
H18 ('78)


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PostPosted: Mon Aug 26, 2013 10:50 am 
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Joined: Mon May 09, 2005 10:25 am
Posts: 2523
Location: Jersey Shore
If it is only minor misalignment, try instead using a screw driver that has a shaft slightly smaller in diameter than the 3/16" pin that Hobie provides. The smaller diameter will still be strong enough and the handle will make installing and removing the pin easier.

sm


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PostPosted: Mon Sep 09, 2013 12:34 pm 
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Joined: Sun Jul 25, 2004 4:46 pm
Posts: 159
Location: Bakersfield, CA
Consider this mod to the mast base.

http://www.hobiecat.com/forums/viewtopic.php?f=13&t=42441

Tom
1988 Hobie 18M


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PostPosted: Mon Sep 09, 2013 3:21 pm 
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Joined: Thu Sep 24, 2009 5:50 am
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Mine isn't an exact fit either ('82 boat). Thanks to this board I swapped out the standard mast step pin with a slightly smaller stainless phillips head screw driver and it works just fine.


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PostPosted: Mon Sep 09, 2013 8:28 pm 
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Joined: Sun Apr 17, 2011 6:31 am
Posts: 70
Location: Johannesburg, South Africa
I have a new front crossbar, new mast step and new dolphin striker that I am replacing in the next few weeks. I found the prior post regarding washer positioning a great suggestion and will do same.

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Richard Stephens
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