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post #2 of Old 11-19-2012
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Re: Propeller Shaft Log

Stuffing boxes rarely catastrophically fail. The drip-drip-drip may get faster over time, but it's very unlikely to just start gushing water. That said, having the bilge pump cycle once and hour is indicative that too much water is getting into the boat. If you aren't going to take the boat out for a few days, I would tighten the nut until the drips completely stop, pump the bilge, and wait and see if water is getting into the boat via some other route. If the pump doesn't cycle any more (give it a day or so), adjust the nut to something resembling your surveyor's recommendations. If it does keep cycling, start looking around for another leak.

Also, make sure the hose that connects the stuffing box to the shaft log is in good shape and is properly clamped; four clamps, two on each end. Leaks from that hose or its connections are often unnoticed, as the access to such is even worse that of the stuffing box itself.

Never forget them. Do something to prevent it from happening again.
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