What tool for nut on my rudder

Started by GeoffV, August 29 2025, 14:56

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GeoffV

Picture of the M75-377 dimensions M48x2mm

Yngmar

formerly Songbird - Bavaria 40 Ocean (2001) -- now gone farming

MagicalArmchair


 
I used one of these - although mine was pretty loose  :-X - good luck!

My write up of our adventure is here: https://www.sailingmirage.uk/blog/seizing-up-rudder-on-passage-how-to-replace-your-rudder-bearings/

Samoerai

I used something like this:

83924.jpg

Not really made for the job, but 'good enough' to get the nut fixed.

GeoffV

My rudder nut is recessed down in the deck fitting so I need the proper tool shown above.
Its on its way to me now as the boat comes out next Wednesday.

IMG_5457.jpeg

GeoffV

The last thing before dropping the rudder is how to get the key out of the rudder stock or is there enough room for it to pass out of the lower bearing.

Nb: for future reference for anyone doing this with a recessed rudder stock like in the previous photo above - The tool for the rudder nut doesn't fit in the recess, so cannot be used. Fortunately it was easy to tap one of the holes at an angle to start it.

MagicalArmchair

Yikes, so that tool didn't fit the recessed rudder? I doubt the key will fit through the bearing - it'll need to come out first before you drop it.

Well done getting it apart and making a start. Take lots of photos! How are you going to control the drop?

Laysula

Piece of flat bar with two bolts through will make a decent tool. A 1 ton builders bag can be used to "catch" the rudder.