Re: [Amel Yacht Owners] Bow thruster problem


bobparry1947
 

We have solved our bow thruster problem and we are feeling a little red-faced. After close inspection, we found that the bolt that tightens the bracket holding the rod to the top of the piston had loosened. You would think that, having owned the boat for nearly 12 years, we would have noticed it immediately. In our defence, we usually see the bow thruster when it is up and the piston is down.

Thank you for your feedback.

Ann and Bob Parry
S/Y  "Nowornot"
Supermaramu #33

On Thu, Apr 28, 2016 at 12:03 AM, Kent Robertson karkauai@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Hi Steve.  If there is a light on the panel that indicates when the BT is fully up or down, there is a sensor sending that signal.  On Kristy these sensors are integral to the worm drive.  It's a PITA to get it out, but undoubtedly that's where your problem lies.  It sounds to me like it could be both mechanical and electrical.

Let us know what you find.
Kent
SM243
Kristy


On Apr 27, 2016, at 9:29 AM, Stephen Davis flyboyscd@... [amelyachtowners] <amelyachtowners@...> wrote:

 

The older bow thrusters like the one on my hull #72 do not have any sensors. I suspect it is something mechanical, but not sure what. I'm sure someone out there must have experienced this problem, and can shed some light on it. 

Steve Davis
Aloha #72
Currently in Martinique

On Apr 27, 2016, at 08:14, Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...> wrote:

 

Good morning Bob,

Sorry about your problem…
This reminds me what happened to me October 2014
http://nikimat.com/bow_thruster_sensor.html
Looks to me a problem with the sensors that slide, but since my vessel is from 2000 they could be different.
Please keep up posted and good luck…

Sincerely, Alexandre

--------------------------------------------
On Wed, 4/27/16, Bob Parry ra.parry2@... [amelyachtowners] <amelyachtowners@...> wrote:

Subject: [Amel Yacht Owners] Bow thruster problem
To: amelyachtowners@...
Date: Wednesday, April 27, 2016, 7:04 AM


 









Hi all,

We have just encountered
the following problem with our bow thruster. The thruster is
DOWN. When we engage the "up" switch, it
immediately gives the signal that the thruster is up and
nothing happens. When we engage the "down" switch,
the piston spins, causing the wire to become twisted. We
have yet to dismantle it but it appears as though there is a
mechanical problem with a worm drive and maybe an electrical
problem. Has anybody encountered a similar problem? We have
the original Bison bow thruster from 1990. (Apologies for
not doing a search before writing this email.

Bob and Ann Parry
"Nowornot", Amel Supermaramu
#33
Brisbane











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