Boats For Sale:
1991 sport pylon removal |
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Ian H 
Groupie 
Joined: September-24-2020 Location: Hong Kong Status: Offline Points: 69 |
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 Topic: 1991 sport pylon removalPosted: December-30-2020 at 8:02am |
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I need to get the plyon out from my salt water sport. bolt is out of the cup but there is a lot of corrosion, the cup is moving in the glass base. So too much beating I guess is going to cause more damage.
I'm not really sure what is inside. i see some pics with a steel pin in the middle of the aluminium. anyone have a picture of the stainless cup in the hull. if it is completely corroded and not move what should I do? |
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8122pbrainard
Grand Poobah 
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: December-30-2020 at 8:53am |
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Ian,
CC didn't do much for corrosion protection especially in a salt environment. Since you mentioned the cup is already moving in the glass at the keel, I'd suggest carefully cutting the layers of glass around the cup. Once the plylon is out, turn it upside down and gett some penetrating oil on the pin. Hopefully after a few days the cup and pin will separate..
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Ian H
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Joined: September-24-2020 Location: Hong Kong Status: Offline Points: 69 |
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Posted: December-31-2020 at 11:00am |
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Thanks for the feedback I am pretty much resigned to digging it out like you suggest as there is a lot of corrosion but I thought I would give it a last try worth penetrating oil.and big twist, I have a good grip with the u bolts and a scotch bright and a lot of leverage with a long steel section but still not playing, will try a few thermal shocks with ice on the pylon and heat on the cup before I give up and dig the cup insert out. It would be really useful to know what the insert looks like inside the glass before i start cutting is there a photo anywhere????  
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MechGaT
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Joined: March-09-2015 Location: Chattanooga Status: Offline Points: 271 |
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Posted: December-31-2020 at 2:19pm |
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Here is the best picture I have of the empty pylon cup on my boat.
 Hope that helps.
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'92 Sport Nautique
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Ian H
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Joined: September-24-2020 Location: Hong Kong Status: Offline Points: 69 |
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Posted: January-01-2021 at 6:21pm |
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Its out Pics for ref for anyone else doing the same
  This one came out really easily |
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Ian H
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Joined: September-24-2020 Location: Hong Kong Status: Offline Points: 69 |
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Posted: January-02-2021 at 7:45am |
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Whats Cooking ?  #Mostly Aluminium oxide, just plain aluminium shaft in the ss cup.  |
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MechGaT
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Joined: March-09-2015 Location: Chattanooga Status: Offline Points: 271 |
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Posted: January-02-2021 at 8:52am |
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Awesome that you got it out without cutting it.
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'92 Sport Nautique
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