If you have read all my messages, would you agree that the
transducer itself is likely the cause of the problem? If something
else is likely (or possible) I need to be careful because the
transducer will cost about $170.
Are you saying that when I pull the transducer out, the
hole will go all the way through? Seems pretty risky with the
boat in the water. I assumed that it would be like a chamber
with the bottom sealed off so that I would just drop the
transducer in with no "fountain."
Thank you very much for your help!!
Frank



On Wed, 12 Jul 2006 18:32:21 -0700, Peter Bennett
wrote:

On Thu, 13 Jul 2006 00:33:57 GMT, frank1492
wrote:

I noticed that the site I just mentioned sells O-rings for the
Datamarine transducer. I think that is what I may have seen
protruding out around the base of the transducer housing.
Couldn't tell what it was at first, but certainly if that's what it
was, bilge water could get in. Am I on to something? And
what would cause an O-ring to pop out of place or stretch
like that?

If you undo the "wing nut" you mentioned, you should be able to pull
the transducer out of the through-hull housing (have a rag handy to
stuff in the resulting hole!)(If you do this, you will get a large
water fountain - just stuff the rag into the through-hull fitting -
the water pressure will be very low.)

The "O-rings" you mentioned will go on the transducer, to prevent
water from entering between the transducer and housing. The rubber
thing you see against the hull is just a rubber washer (or more likely
excess sealant).