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Forums28
Topics3,984
Posts19,069
Members1,019
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Most Online238 Feb 9th, 2024
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getting martec off .....
#5696
12/01/06 09:54 PM
12/01/06 09:54 PM
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Joined: Jan 2009
Posts: 164 Olney, IL
Thor
Senior Member
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Senior Member
Joined: Jan 2009
Posts: 164
Olney, IL
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I am working on John's new boat ( my old one :-) and I am trying to get the martec off, so he can send it in and get a new pin installed over the winter...
BUT I already cant get the conical nut off which sits inside. I got me a 3/8 square piece of stock and have a ratchet with a long extension attached. The square is basically only as long as I need it to clear the two " wings " where the propeller blades are resting against if they would be intslled ...
Now I have used liberal amounts of creaping oil to lube it up. Than I have even heated the big blob from the outside with a torch ... than while one person holding down the blob i turned the sqare...
The nut didnt budge at all, the square stock is now twisted nicely ... what can I do to get that nut off ? Any ideas ?
Thanks Thor
Thor
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Re: getting martec off .....
#5698
12/02/06 01:21 AM
12/02/06 01:21 AM
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Joined: May 2007
Posts: 2,669 Portsmouth, RI
Rhapsody #348
Past J/30 Class President
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Past J/30 Class President
Joined: May 2007
Posts: 2,669
Portsmouth, RI
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Thor - look here: http://www.martec-props.com/refurbish2.htm I pulled my engine this fall for rebuilding and also pulled the shaft. Since I was replacing the shaft seal too, this was a no brainer to remove the coupling and shaft seal collar. I rebuilt the Martec prop by getting a new pivot pin and cotter pins from Martec. This was done without removing the prop from the shaft. Good Luck! Bill #348
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Re: getting martec off .....
#5699
12/03/06 12:36 PM
12/03/06 12:36 PM
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Joined: Jan 2009
Posts: 164 Olney, IL
Thor
Senior Member
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Senior Member
Joined: Jan 2009
Posts: 164
Olney, IL
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Hi got the cotter pins of course removed already befor I tried .....
whk.... did you rebuild the prop yourself ? In other words drilled a bigger hole into the " wings" and the blades and than inserted the new oversized pin ?
This might be possible leaving the nut and the " body " on the shaft ?????
If I follow the removal instructions to the point I still dont get the nut out ... Doing it on the boat would probably do the trick
Thanks Thor
Thor
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Re: getting martec off .....
#5701
12/04/06 01:56 PM
12/04/06 01:56 PM
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Joined: Apr 2003
Posts: 649 Marblehead, MA
dbows
Senior Member
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Senior Member
Joined: Apr 2003
Posts: 649
Marblehead, MA
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Thor,
I was not able to get my prop off the shaft. I had to take the whole shaft out and took the shaft with the prop to the place where I had the prop re-built.
I was able to get the conical nut off but the prop was seized to the shaft.
Call H&H props in Salem Mass and see if they can give you a clue how they get the props off.
David #397
David Bows Mallorca - Hull# 397 ~~~~~_/)~_/)~~~~_/)~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~
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