
08-24-2009
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Senior Member
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Join Date: Sep 2004
Location: Massachusetts
Posts: 999
Rep Power: 8
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I had a heavy helm problem a couple of weeks ago. I found the problem -- but it requires starting at one end and working to the other eliminating things as you go. Unfortunately, I found the problem at the opposite end from where I started, but it did afford an opportunity to thoroughly check the system -- grease sheeves, oil wire, rebuild the pedistal, etc. -- the usual joys of messing w/ boats.
Based on my experience, I'd recommend that the first thing you do is disconnect the steering cables from the quadrant and see how hard it is to turn the rudder manually. If it's stiff with no steering gear attached then it's either somethings on the outside wrapped around the rudder, or sticky/worn rudder bearings. You should also check to see if the quadrant itself is binding on anything. This was the problem I found -- the quadrant nuts had come loose and the quadrant dropped two inches and was binding on a piece of wood framing.
If the rudder turns freely with the cables disconnected you will know it's somewhere between the quadrant and the wheel. (I've assumed you have a wheel -- if your boat is tiller steered, it's one of the problems mentioned above or it could be that both the autopilot and the owner are getting old and tired  ).
Assuming a wheel -- trace the cables from the quadrant to the sheeves. Check the sheeves to see if they spin freely with no cable tension. Then work up into the pedestal. One of my initial hypotheses was that the wheel brake on the pedestal was failing to release. I took the pedestal apart and stripped the bearings out -- cleaned everything up and regreased and all was good on that end. The pedestal is not something that you routinely service, so you may be a problem there.
Good luck.
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