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Catalina/Capri 25/250 Sailor's Forums

Catalina 250 Specific Forum

Raymarine Transducer

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WindDancer
1st Mate

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USA
34 Posts

Initially Posted - 02/10/2006 : 23:40:13

Hi everyone,

I'm planning to get my new boat into the water this weekend; however, I have found that the Raymarine speed transducer was not mounted. So I need to find out which direction do the arrows on the transducer face, forward or aft. Do I need to apply teflon tape to the threads or is the "O" ring good enough alone.

Has any one had any leaks aroung these through hulls. The factory installed the through hulls but not the transducer (I guess they forgot).

Thanks,

Bruce

Bruce and Suzette
Five O' Clock Somewhere
2006 C250WB #861
Clearlake Ca

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 02/10/2006 : 23:58:58

Bruce,

Although I have a SR knotmeter, I believe all knotmeters are designed to be pulled while the boat is in the water. The reason for this is so the transducer can be cleaned regularly. Also, the transducer should be removed and the plug installed while hauling or launching the boat to prevent damage to the paddlewheel by the travel lift straps, bunks, and or rollers of the trailer.

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Al
Captain

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USA
269 Posts

Response Posted - 02/11/2006 : 00:18:46

I poked around the Raymarine website, but couldn't find a manual for the transducer, only the instruments (which said xducer instructions are packed with the xducer...).

I would *guess* that the arrow points forward, and the o-ring does the sealing, not the threads, so, no teflon tape.

But however you do it, keep an eye on it...

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kevinmac
Admiral

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USA
732 Posts

Response Posted - 02/11/2006 : 10:28:58

My boat came from the factory this way as well, and the reason I was given was to keep the speed transducer safe during trailering (not sticking out of the hull) as was previously described.

I can tell you for sure that the arrow points forward, that there is a "detent" that the transducer goes into when it is straight forward, and that you need only screw it in, no teflon tape is required. Additionally, I was advised not to screw it in too tightly, don't get too enthusiastic and reef on it, as stripping the plastic thread would be a bad thing (as Martha would say).

I am told that you can take it out when the boat is in the water, and use the plug that came with it (what the factory installed) to keep the water out of the boat while you clean it, etc. (Do it quickly.) That sounds wet to me...have not tried it. Will have to when I take the boat out of the water next, as you want to have the transducer stowed before you put the boat on the trailer, according to other C250 owners I have talked to.

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 02/11/2006 : 11:50:57

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by kevinmac
 ...I am told that you can take it out when the boat is in the water, and use the plug that came with it (what the factory installed) to keep the water out of the boat while you clean it, etc. (Do it quickly.) That sounds wet to me...<hr height="1" noshade id="quote"></blockquote id="quote">

Kevin...I remember the first time I removed my knotmeter while the boat was in the water. I pictured a scene straight out of a 3 Stooges short with water shooting up to my face. In actuality, the process was very anticlimactic in that only a few tablespoons of water came inside.

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WindDancer
1st Mate

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USA
34 Posts

Response Posted - 02/11/2006 : 13:02:22

Thanks everyone for the info. I'll try changing the transducer and plug with the boat on the ramp that way if anthing goes wrong I can just haul it out. If it works how you describe then I change it in the slip.

Thanks

Bruce

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.