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Can it be fixed in Port

GAS engine, transmission and generator repair and maintenance discussion forum.
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My Jurisdiction
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Can it be fixed in Port

Postby My Jurisdiction » August 2nd, 2015, 9:39 am

Leaking shafts 3007 81'

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waybomb
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Re: Can it be fixed in Port

Postby waybomb » August 2nd, 2015, 8:29 pm

Leaking between shafts and packing?
Just tighten up the packing a bit.
Tighten, run in gear, check for a random drip now and then. Keep tightening / running / checking until you have just a random drip.
If you make them too tight, you'll burn them up. They need water for lubrication, thus a random drip now and then is good.

Or leaking between the housing and the hull? If so, you may get lucky just tightening the mounting nuts. If not, it will have to come out of the water to re-bed the housing(s).
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Fred
1964 Barron Flatbottom with BBC Chevy
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Re: Can it be fixed in Port

Postby Viper » August 3rd, 2015, 10:23 am

I agree with Fred.

If the packing nuts are bottomed out, you can still add or replace the packing material while in the water. Just have everything you need, and the packing material cut to the proper length before removing the nut. A managable amount of water will come in, just make sure your pumps are working. Depending on the type of unit, one of them (strb) might be reversed thread so careful how much force you apply when loosening as you might be tightening further instead. Keep that in mind too if all you're going to do is tightening a bit to reduce leaking.
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waybomb
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Posts: 1963
Joined: February 5th, 2013, 9:24 pm
Vessel Info: 1987 3697 Carver Mariner
1988 Cougar 46 Kevlar Vee offshore
1969 15' Glaspar / 1969 Johnson Electrmatic 85
1964 Barron Flat bottom drag boat
A couple of dinghies
Location: Saint Joseph and Trenton, MI
Has thanked: 41 times
Been thanked: 283 times

Re: Can it be fixed in Port

Postby waybomb » August 3rd, 2015, 12:12 pm

Viper wrote: Depending on the type of unit, one of them (strb) might be reversed thread so careful how much force you apply when loosening as you might be tightening further instead. Keep that in mind too if all you're going to do is tightening a bit to reduce leaking.


I should have mentioned that about the starboard side, especially since I learned this by trying bigger wrenches going the wrong way until I realized, duh, the prop would loosen it up if it were the normal way.
Thanks
Fred
1964 Barron Flatbottom with BBC Chevy
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572s
http://s4.beta.photobucket.com/user/waybomb/library/
Past - 1988 2807, 1989 4207 Aft

Canada
Viper
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Re: Can it be fixed in Port

Postby Viper » August 4th, 2015, 10:04 pm

I think we've all fallen for that one!

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