Thanks: 
HaHa: 
Reply With QuoteI forgot to add that I had not applied anything like a marine caulk to the screws. Perhaps the constant vibration of the transducer torqued the screws just enough to cause the shafts to start abrading the hole, thereby loosening the screws.
Crappie Wall Hanger II
Loose Transducer
A couple of weeks ago in between deluges I went fishing and noticed something I had not seen before. We were fishing for yellow perch with jigs and worms. I was surprised on the finder to see my jig doing what jigs do.....jigging. I had never seen that at the angle/position I was fishing. Well last week I bought another finder, a Garmin Echomap Plus 73sv. When I went to remove the Lowrance shimmer transducer I noticed that the screws had backed out of the polyethylene plate which was holding the transducer. They had each come out about 1/8". That explained the images I saw on the finder, and is a caution to me from now on to occasionally check the seating of the screws on the transon plate. Might now be a bad idea for trolling motor mounts also.
Mike1234 LIKED above post
Crappie Wall Hanger II
I forgot to add that I had not applied anything like a marine caulk to the screws. Perhaps the constant vibration of the transducer torqued the screws just enough to cause the shafts to start abrading the hole, thereby loosening the screws.
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Great advice ...
Rickie
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