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brak 06-15-2008 11:50 PM

Importance of post-sailing check
Today (as always) opened engine compartment to look inside after a day of sailing (and then driving :) when the wind died). What do I see, but a nut lying down there below the engine. Well, I don't normally have nuts there so I knew it fell from something. Not a good feeling after running for an hour at high rpm. Long story short, after inspecting it I realized it must be from the alternator somewhere, and sure enough - it was the nut that held the lower alternator bolt. It's a good thing this bolt is pretty long and alternator tension holds it - but still, not good at all. I did slacken it a few weeks ago when I adjusted belt tension, but then I also tightened it. Re-tightened again as hard as I could and will watch it now.

So, check your engine - you never know what shakes out.

negrini 06-16-2008 02:14 AM

Brak, a pre-starting check would help too.

Rockter 06-16-2008 03:11 AM

On my ship, the engine is exposed. I took off all of the panels, and issued everyone with ear defenders. It gets a bit noisy.

It has always made me nervous to have a motor cooped-up in there behind panels.

It's best to be able to check constantly, submarine-style.

I like messing with motors anyway.

brak 06-16-2008 08:48 AM


Originally Posted by negrini (Post 329508)
Brak, a pre-starting check would help too.

Yep, and I do that all the time (got to open engine cover to get to intake seacock anyway, plus I usually start the engine and look at it for a few seconds at least). But in this case the missing nut was probably still in place when engine was started.

timebandit 06-16-2008 10:47 AM

Loctite every time every where.


brak 06-16-2008 10:54 AM


Originally Posted by timebandit (Post 329628)
Loctite every time every where.


I thought about it but decided to try without one more time. There was no locktite on it previously and it is a flanged nut, a kind that should stay put presumably. I'll see if it becomes lose again - then locktite it.

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