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Author Topic: how to adjust ST4000 (grey) autopilot  (Read 407 times)

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dhagen

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how to adjust ST4000 (grey) autopilot
« on: May 28, 2018, 12:46:24 PM »

I have the gray Raymarine ST4000 autopilot.  My belt is too tight and won't let me turn the wheel smoothly when the autopilot is not engaged.  I know there is a small plastic plug on the back side that allows me to access a small allen screw with a small hole to the right and left to adjust a small silver wheel.  However,  I cannot get the allen screw to turn and don't know if I get it to turn, whether I need some sort of wrench to fit the 2 holes to make the adjustment.  Any ideas?
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Dave Spencer

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Re: how to adjust ST4000 (grey) autopilot
« Reply #1 on: May 29, 2018, 06:07:56 AM »

There's an ST4000 repair manual on the tech wiki that has good information including and exploded view of the wheel mounted unit on Page 12.  It should be helpful.
Here:
http://c34.org/wikiwp/?rdp_we_resource=http%3A%2F%2Fc34.org%2Fwiki%2Findex.php%3Ftitle%3DManuals

Scroll down to "Misc".
« Last Edit: May 29, 2018, 06:09:20 AM by Dave Spencer »
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Dave Spencer
C34 #1279  "Good Idea"
Mk 1.5, Std Rig, Wing Keel, M35A Engine
Boat - Lion's Head, Ontario
People - London, Ontario

dhagen

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Re: how to adjust ST4000 (grey) autopilot
« Reply #2 on: May 29, 2018, 01:29:45 PM »

Thanks. I have the manual, but it doesn't say how to make the adjustment.  I don't know if the allen screw is just stuck or if there is more to it.
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sailaway

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Re: how to adjust ST4000 (grey) autopilot
« Reply #3 on: May 29, 2018, 07:00:47 PM »

Had the same problem had to put new rollers in the big wheel . does it make a noise when you turn it. Charlie
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Dave Spencer

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Re: how to adjust ST4000 (grey) autopilot
« Reply #4 on: June 04, 2018, 05:40:14 PM »

Raymarine has a fairly decent technical forum.  You may find the answer to your question there.  Or, you can login (join the forum) and ask a question.  I've found it's hit and miss but if you get a hit, there can be useful technical support from knowledgable Raymarine people available, even on long obsolete items. 
http://www.raymarine.com/knowledgebase/index.cfm
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Dave Spencer
C34 #1279  "Good Idea"
Mk 1.5, Std Rig, Wing Keel, M35A Engine
Boat - Lion's Head, Ontario
People - London, Ontario
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