The transducers I removed were twist and pull type. They usually have to o-rings on them. You should have a dummy plug to put in there ASAP (i.e.within seconds) if you are in the water. They are designed to be removed while in the water, but is is a very "exciting" process. On some boats there is a simple flapper valve that closes then you pull out the transducer, so you don't get a 3 ft geyser coming into the boat. If you do that in the water, besides the dummy plug, have a plastic bags, duct tape and wooden plugs within reach, just in case ..... I have not done it on Tabasco, I may try it next year so I can use my speedo. It is one of the things I don't like to do. I usueally use some light vaseline on the o rings (both the transducer and the dummy plug) before I put it back in.
I would not attempt it without a dummy plug. Wooden carrots may slow things down but are just an emergency measure. Ahmet S/V Tabasco 1973 C&C 25 Boston, MA On Mon, Nov 9, 2015 at 7:04 AM, Josh Muckley via CnC-List < cnc-list@cnc-list.com> wrote: > ALL of the datamarine transducers that I've had or seen have a pin and > ring which secure the transducer. The T-handle on mine are used to secure > the transducer thru-hull housing in the hull. Don't touch until you are > really sure AND on the hard. > > Maybe some pictures would help us see what you're dealing with. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > On Nov 9, 2015 6:33 AM, "Indigo via CnC-List" <cnc-list@cnc-list.com> > wrote: > >> I need to remove my Datamarine transponder to send it to DMI for repair. >> Does anyone know how it is held in place in the through hull. I can't see >> any retaining pins etc - yet it has a "t" like handle which implies it >> should be removable with ease. >> >> -- >> Jonathan >> Indigo C&C 35III >> SOUTHPORT CT >> _______________________________________________ >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go to the >> bottom of page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >> >> > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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