Date   

Re: [Amel Yacht Owners] Re: Ground Behind Nav Station

Mark Erdos
 

Hi Alan,

 

Thanks for the response. I have a couple of issues going on here. Connected to this terminal are the yellow/green wires. Because there is  24v between these and the pos(+). I understand now I have a connection somewhere that needs to be looked for and broken.

 

However, when testing the Gnd solid green wire from the Furuno heading sensor (for the Furuno radar unit), I disconnected the green wire from this terminal (behind the nav station) and I get 24v. This is also true for the green wire coming off the 30 amp battery charger. This is telling me that both the battery charger and the heading sensor have internal connections from Neg(-) to the ground wires. This doesn’t seem right?

 

 

 

With best regards,

 

Mark

 

Super Maramu 2000

Hull #275

www.creampuff.us

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Monday, April 13, 2015 8:37 AM
To: amelyachtowners@...
Subject: [Amel Yacht Owners] Re: Ground Behind Nav Station

 

 

Hi Mark,

Somewhere you have a device that has an internal connection between 24V -ve and ground.

Suspects are inverters, DC-DC converters, alternators, radios....

I would suggest disconnecting the ground wires of these one by one until you find the culprit.

No DC -ve should be connected to ground anywhere on an Amel  

Cheers

Alan

Elyse SM437

 


aft bulk head leak

zetta.traill@...
 

Hi. We have a water problem on our '80 Sharki. When it rains there is water pouring onto the aft bulk head.

We presume it is water running down the mizzen mast and somehow getting onto the bulkhead.

Does anyone have any experience with this.

Thankyou,

Warren and Zetta

Manon2

Sharki 15


Re: Ground Behind Nav Station

Alan Leslie
 

Sorry Mark / Bill

I've just seen Bill's posts...good advice...

Cheers
Alan


Re: Ground Behind Nav Station

Alan Leslie
 

Hi Mark,
Somewhere you have a device that has an internal connection between 24V -ve and ground.
Suspects are inverters, DC-DC converters, alternators, radios....
I would suggest disconnecting the ground wires of these one by one until you find the culprit.
No DC -ve should be connected to ground anywhere on an Amel  
Cheers
Alan
Elyse SM437


Re: [Amel Yacht Owners] Ground Behind Nav Station

Mark Erdos
 

Bill,

 

Thank you as always for taking the time. Am I correct in that the Green/Yellow wires should NOT have any connection to the battery neg(-)?

 

I really wish I understood this better. But no time like the present to learn. The part that makes me scratch my head on this is the Furuno heading sensor (which I am assuming is original)

 

Yes, please photo the original terminal for me. Thanks again.

 

With best regards,

 

Mark

 

Super Maramu 2000

Hull #275

www.creampuff.us

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Monday, April 13, 2015 7:55 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Ground Behind Nav Station

 

 

Mark,

I don't have the answers that you are looking for.

If I were to guess, my guess would be that some electric device has been added to the battery bank and its case connected to the bonding system. For example, when I first moved on the boat, I noticed some green/yellow wires that were purposefully terminated near the SSB and GPS. Each of these devices had a ground lug and it appeared to me that the installer forgot to connect the yellow/green wire. This voice inside my head told me, "don't fix what you do not understand." I left them as they were, while another voice was telling me to connect them. It could be something that simple.

The issue is that many device cases are connected (grounded)  to the (-) side of the DC power. In thias situation, when you connect the green/yellow bonding wire to the case, you have also connected the (-) pole of the battery bank to the bonding system.

Hopefully I have given you some places to look.

Also, I looked at that terminal block photo. It appears to me that a lot has been added there.  And it appears that most are unlabeled. I would disconnect all of the leads, check your battery bank (+) to the bonding yellow/green and see if that voltage disappeared. If it did, reconnect 1 set +&- at a time to find the device. Each time you connect one, label it.  If disconnecting all of them did not locate your problem, still reconnect one at a time and label it. You might consider connecting a multiple fused-block to the original terminal block, then connect each item to its own fuse. Neater and better. Something like this with a negative bus: https://www.bluesea.com/products/5025/ST_Blade_Fuse_Block_-_6_Circuits_with_Negative_Bus_and_Cover

OK, I have filled your available time for a week. If you like, I will take a photo of that terminal block as it came from Amel because I have not added anything. Let me know.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail


Re: [Amel Yacht Owners] Ground Behind Nav Station

Bill & Judy Rouse <yahoogroups@...>
 

Mark,

And look close at that inverter. There is no reason for it to be connected to the bonding system.  Disconnect it completely and see if your problem with the voltage you described goes away.

A suspect place for crossing the bonding to the 24 volt (-) may be at the 24V alternator. Best way I can think of is to disconnect it completely and check.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail

On Apr 13, 2015 1:54 PM, "Bill & Judy Rouse" <yahoogroups@...> wrote:

Mark,

I don't have the answers that you are looking for.

If I were to guess, my guess would be that some electric device has been added to the battery bank and its case connected to the bonding system. For example, when I first moved on the boat, I noticed some green/yellow wires that were purposefully terminated near the SSB and GPS. Each of these devices had a ground lug and it appeared to me that the installer forgot to connect the yellow/green wire. This voice inside my head told me, "don't fix what you do not understand." I left them as they were, while another voice was telling me to connect them. It could be something that simple.

The issue is that many device cases are connected (grounded)  to the (-) side of the DC power. In thias situation, when you connect the green/yellow bonding wire to the case, you have also connected the (-) pole of the battery bank to the bonding system.

Hopefully I have given you some places to look.

Also, I looked at that terminal block photo. It appears to me that a lot has been added there.  And it appears that most are unlabeled. I would disconnect all of the leads, check your battery bank (+) to the bonding yellow/green and see if that voltage disappeared. If it did, reconnect 1 set +&- at a time to find the device. Each time you connect one, label it.  If disconnecting all of them did not locate your problem, still reconnect one at a time and label it. You might consider connecting a multiple fused-block to the original terminal block, then connect each item to its own fuse. Neater and better. Something like this with a negative bus: https://www.bluesea.com/products/5025/ST_Blade_Fuse_Block_-_6_Circuits_with_Negative_Bus_and_Cover

OK, I have filled your available time for a week. If you like, I will take a photo of that terminal block as it came from Amel because I have not added anything. Let me know.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail


Tecpro 24v 50A Battery Charger

marmitage73@...
 

Hi

 

I have  a SM with a Tecpro 24v 50A battery charger. If the battery is low and this charger is switched on, initially the charge current is quite high but very quickly reduces to a trickle.

I wonder if anyone has experience of this? I think it maybe the 'sense' voltage adjustment but I've had a look inside - there are 3 potentiometers but they re nit marked and I don't want to risk damaging the batteries.

Does anyone have any ideas or diagrams please?

 

Regards

 

Malcolm

SM117


Re: [Amel Yacht Owners] Ground Behind Nav Station

Bill & Judy Rouse <yahoogroups@...>
 

Mark,

I don't have the answers that you are looking for.

If I were to guess, my guess would be that some electric device has been added to the battery bank and its case connected to the bonding system. For example, when I first moved on the boat, I noticed some green/yellow wires that were purposefully terminated near the SSB and GPS. Each of these devices had a ground lug and it appeared to me that the installer forgot to connect the yellow/green wire. This voice inside my head told me, "don't fix what you do not understand." I left them as they were, while another voice was telling me to connect them. It could be something that simple.

The issue is that many device cases are connected (grounded)  to the (-) side of the DC power. In thias situation, when you connect the green/yellow bonding wire to the case, you have also connected the (-) pole of the battery bank to the bonding system.

Hopefully I have given you some places to look.

Also, I looked at that terminal block photo. It appears to me that a lot has been added there.  And it appears that most are unlabeled. I would disconnect all of the leads, check your battery bank (+) to the bonding yellow/green and see if that voltage disappeared. If it did, reconnect 1 set +&- at a time to find the device. Each time you connect one, label it.  If disconnecting all of them did not locate your problem, still reconnect one at a time and label it. You might consider connecting a multiple fused-block to the original terminal block, then connect each item to its own fuse. Neater and better. Something like this with a negative bus: https://www.bluesea.com/products/5025/ST_Blade_Fuse_Block_-_6_Circuits_with_Negative_Bus_and_Cover

OK, I have filled your available time for a week. If you like, I will take a photo of that terminal block as it came from Amel because I have not added anything. Let me know.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail


Re: [Amel Yacht Owners] Re: Sonic Speed transducer repair/replacement - how?

Bill & Judy Rouse <yahoogroups@...>
 

I have mentioned this before, but for the sake of those who did not see it, there is an alternative to drilling for a paddlewheel.

Tinley Electronics in the UK manufactures a black box that coverts NMEA GPS SOG to B&G paddlewheel SOW. All of the functions, instruments, and logs will work perfectly. The only downside is that your speed will be true speed and you will not see any Drift, or difference between SOW & SOG. However, we all know that when you arrive at your destination is based on SOG, and knowing the SOW and the Drift/Current only enables frustration, or, in the case of positive current, it enables false joy of false speed. This Tinley black box is a standard stocked item and is referred to as NMEA GPS to B&G. It connects to the B&G computer at the nav station where the paddle wheel would connect, connects to 12VDC at the same place the B&G instrument connects, and connects to NMEA OUT from any GPS.

Contact Sarah Pidgley at Sarah"at" Tinley.net and tell her hello from Bill BeBe.

Oh, and BTW, Tinley will repair unrepairable B&G instruments and has an inventory of used instruments and parts. They will also build custom black boxes that will do almost anything.

I hope this will helpsome of you.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail

On Apr 13, 2015 6:11 AM, "sangaris@... [amelyachtowners]" <amelyachtowners@...> wrote:
 

At the last Miami and Ft Lauderdale boat shows I spent a good deal of time with the B&G folks - both a product development engineer and sales team managers - all asserted that the Sonic Speed is no longer a supported product and is not offered as a current product. They also stated it is not compatible with the new H5000 system.  Don't know if the UK scene is different, but suspect not. A shame as my Sonic Speed was always bullet proof and after recent lightning damage I'm having to switch to the paddlewheel version.

Craig Briggs
SN#68, Sangaris, Ft Lauderdale


Re: [Amel Yacht Owners] Re: SSB HF Antenna

Peter Forbes
 

Thanks Gary - very helpful.

Best wishes

Peter Forbes
00447836 209730

On 12 Apr 2015, at 17:23, amelliahona <no_reply@...> wrote:

 

Hi Peter:  


I just saw your post on the SSB whip antenna.  The plastic mounting ball at the base of my original Amel fitted SSB antenna failed and was un-repairable.  I was in St. Thomas, USVI at the time and ordered a replacement Shakespeare 23 ft, Series 390, SSB antenna through Island Marine Outfitters, http://shakespeare-marine.com/390

 

The antenna comes with a 1 inch threaded base that screws onto this base fitting http://shakespeare-marine.com/410-r-swivel-mount  .  So as not to have to drill new holes in the deck, I used the existing aluminum 4 screw base mount and with an appropriate sized washer and nut, the 1 inch threaded antenna swivel base mount attached to the existing Amel deck fitting.  Everything else remained the same and the reception/transmission, if anything is improved.

I remove the antenna and stow it belowdecks during hurricane season and the threaded base makes this a very quick and easy task compared to the fiddly pin mount of the original antenna.

All the best, 

Gary Silver
s/v Liahona   Amel SM #335


 


Re: Sonic Speed transducer repair/replacement - how?

Craig Briggs
 

At the last Miami and Ft Lauderdale boat shows I spent a good deal of time with the B&G folks - both a product development engineer and sales team managers - all asserted that the Sonic Speed is no longer a supported product and is not offered as a current product. They also stated it is not compatible with the new H5000 system.  Don't know if the UK scene is different, but suspect not. A shame as my Sonic Speed was always bullet proof and after recent lightning damage I'm having to switch to the paddlewheel version.
Craig Briggs
SN#68, Sangaris, Ft Lauderdale


Re: [Amel Yacht Owners] Re: Hi Ross

sailormon <kimberlite@...>
 

Should be back in Huntington end of June early July.

Lets hook up.

Fair Winds

Eric

Kimberlite Amel Super Maramu #376

 

 

From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Thursday, April 09, 2015 5:39 AM
To: amelyachtowners@...
Subject: RE: [Amel Yacht Owners] Re: Hi Ross

 

 

Yes Eric, double yuk...moving to a mooring in bayside for the summer.


Sonic Speed transducer repair/replacement - how?

Colin - ex SV Island Pearl
 

We have moved Gary's comment into a new topic so we can track this thread in future.


On #332 our B&G Sonic speed has recently started playing up with readings either too high or too low randomly. We assume that this would also impact our log distance readings too. We think this problem started after we last slipped the boat because, if you position the front boat lift strap exactly in line with the recommended lift points/large stainless/rigging boat lift hook position, then unfortunately that has the boatyard lift machine strap wrapped over the forward sonic transducer!! Unfortunately we only realised this too late when lowering the hull on the hard. Whilst we could see no damage, we now have unreliable boat speed readings.


Like Gary on #335, this is the only current problem with out boat and we would like to get it resolved as we found this sonic speed and log extremely accurate on the Atlantic and Pacific crossings, and therefore do not want to go to the paddle wheel option if at all possible.


Has anyone replaced these with new B&G sonic equipment or managed to fix a similar problem with the sonic speed/log equipment? 


Colin & Lauren Streeter

Island Pearl II, SM#332

Newport, QLD, Australia 

  



From: amelyachtowners@yahoogroups. com [mailto:amelyachtowners@ yahoogroups.comOn Behalf Of amelliahona
Sent: Saturday, April 11, 2015 7:19 PM
To: amelyachtowners@yahoogroups. com
Subject: [Amel Yacht Owners] Re: Bill- water tank vent

 

 

Hi all:

 

The hose in photo number 4 (labeled tank vent), is NOT a tank vent. It is a hose that exits at the inboard edge of the the aft locker under the table in the saloon.  

 

If you look closely in the picture, and you can check this on your own boat, you can make out that there is an electrical cable inside the hose.  I asked Olivier about this hose when we took deliver y of the boat and he indicated that the hose was there to protect the cable inside, and that cable is the sonic speed indicator sensor/transmitter that is imbedded in the leading edge of the stub keel (i.e. the lower aft transducer of the two sonic speed transducers). At the forward end of the hose the cable exits and traversed starboard to route to the sonic speed computer that is strapped under the shelf in the forward lower cupboard beside the starboard side saloon seat.

 

Olivier, if you see this, can you shed some light on how it might be possible (or not possible) to replace the sonic speed sensors (both in the stub-keel and the forward hull).  It seems many of us have had failure of the transducers.  Are the sensors in some sort of conduit that allow them to be pulled and replaced?  

 

All the best, 

 

Gary Silver

s/v Liahona  

lying Sapphire Bay Marina, St. Thomas,  USVI



Ground Behind Nav Station

Mark Erdos
 

Hi all,

 

I need a little help please from the electrical minded people please. I’ll be the first to admit most of what was posted regarding Ground and bond circuits on this forum is over my head (for now).

 

After reading Kent’s issue’s I am concerned since Cream Puff was also repowered with a Yanmar 4JH4-HTE and also has an 220v inverter installed. I am not sure if the inverter was factory installed or after market. While I hope the previous owner hired a mechanic/electrician that was schooled on Amel, I do not know for sure this was the case. Kent’s phrase “It is almost certain that my problem was caused by a combination of very poorly installed charger/inverter by a marine electrician and improperly bonded CDrive by the people who installed my new Yanmar.” has made me worry a little.

 

https://www.dropbox.com/s/pkpzhtr8y7riyvb/DSCN1123.JPG?dl=0

 

I recently found a circuit that doesn’t seem quite right. Behind the nav desk are the terminals controlled by the VHF/instrument breaker in the hanging locker. See picture by clicking above link. When I test for voltage between the pos(+) and neg(-), I get 24 vdc as expected. But, when I test voltage between the middle ground terminal and pos(+), I still get 24vdc. On the ground terminal is a green wire that goes to a Gnd on a 30 battery charger (exit bottom of pic), a green wire that goes to the Gnd on the Furuno heading sensor (exit top of pc) and 2 green/yellow wires (not sure where these go yet) connected to the terminal.

 

I was under the understanding the green/yellow wires were all part of the bonding system and not connected to the boat ground or neg(-) system. I removed the solid green wires and tested everything individually.

 

Terminal (+) and both green/yellow wires = 24 vdc

Terminal (+) green wire coming from battery charger (disconnected from terminal) = 24 vdc

Terminal (+) green wire coming from Furuno heading sensor (disconnected from terminal) = 24 vdc

 

Since my understanding that I stated above regarding green/yellow wires, I am seriously confused why I have a connection somewhere between the 24vdc neg(-) and these green/yellow wires. Any enlightenment would be greatly appreciated.

 

 

 

With best regards,

 

Mark

 

Super Maramu 2000

Hull #275

www.creampuff.us

 


Re: [Amel Yacht Owners] Re: Bill- water tank vent

Derick Gates SM2K #400 Brava
 

Gary,

I will be back on Brava June 2nd. Will you still be in St. Thomas then? I would love to meet up if we overlap.

Derick
SM2K #400 Brava
Currently in Sapphire Beach Marina


Re: SSB HF Antenna

amelliahona <no_reply@...>
 

Hi Peter:  

I just saw your post on the SSB whip antenna.  The plastic mounting ball at the base of my original Amel fitted SSB antenna failed and was un-repairable.  I was in St. Thomas, USVI at the time and ordered a replacement Shakespeare 23 ft, Series 390, SSB antenna through Island Marine Outfitters, http://shakespeare-marine.com/390

 

The antenna comes with a 1 inch threaded base that screws onto this base fitting http://shakespeare-marine.com/410-r-swivel-mount  .  So as not to have to drill new holes in the deck, I used the existing aluminum 4 screw base mount and with an appropriate sized washer and nut, the 1 inch threaded antenna swivel base mount attached to the existing Amel deck fitting.  Everything else remained the same and the reception/transmission, if anything is improved.

I remove the antenna and stow it belowdecks during hurricane season and the threaded base makes this a very quick and easy task compared to the fiddly pin mount of the original antenna.

All the best, 

Gary Silver
s/v Liahona   Amel SM #335


 


Re: [Amel Yacht Owners] Re: Bill- water tank vent

amelliahona <no_reply@...>
 

Hi Joel:

Thanks for the expanded knowledge on the "sonic speed hose".  I always thought the idea of chafe protection was a bit overdone by encasing the cable in a hose, but your explanation makes perfect sense of the the Amel "belt and suspenders" type of design.

Still hope Olivier will chime in on the details of sonic speed transducer replacement as that is the only item on my boat that doesn't work to the level as the day she was built and I would like to remedy that if at all possible. 

All the best to Joel, Olivier, Bill, Kent and everyone else on this invaluable forum. 

Gary Silver
s/v Liahona,  keeping company with s/v Brava in St. Thomas


Re: [Amel Yacht Owners] Super Maramu copy

amelforme
 

Hello Group. This boat has an interesting story. The original owners/builders had a Sharki named Arc en Ciel (Rainbow) that I had the privilege of selling for them in Fort Lauderdale many (25?) years ago. I vaguely recall that he was a retired TWA Airlines Captain and she was a Dentist who escaped from her East German birth and upbringing in a somewhat perilous fashion. They were very interesting people who were both cut from an uncommon bolt of cloth and followed their own path in all things. They wanted a SM 53 but were torn by some details that they thought they could improve on. They liked New Zealand so during our discussions we talked about Laurie Davidson as I knew him from when I worked with a group who imported Cavalier Yachts from New Zealand (built by Jim Lawry/Export Yachts New Zealand, another very interesting rascal who I enjoyed knowing) into California back in the 1970’s. Mr. Davidson is a switched on and wicked smart yet unpretentious gentleman who designed the Cavaliers amongst other notables including an America’s Cup winner while the Americas Cup was still fun to follow. I also discussed with them the builder, Donaldson Yachts, as I had sold a few serious cruising boats they had built and appreciated their dedication to quality over low cost and in doing things right the first time. They had Laurie Davidsons Group draw the hull and if you look at it closely you can see vaporous telltale elements of common Davidson features in the shape of the stern and the near vertical slab sidedness of the hull at mid-section, and a Davidson forefoot. The standard Amel interior configuration was tweaked into what is here, for better or for worse depending on your particular requirements. I was told by folks who I trust in their opinions that the boat presented well but seemed a step ‘off’ in many ways. The in boom furling fitted would not have been most people’s first choice for a variety of reasons. If imitation is indeed the most sincere form of flattery…?



All The Best, Joel

Joel F. Potter/Cruising Yacht Specialist LLC

THE AMEL GUY

954 462 5869







From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Friday, April 10, 2015 10:56 PM
To: amelyachtowners@...
Subject: RE: [Amel Yacht Owners] Super Maramu copy





Wow talk about an Amel clone !!

Fair Winds

Eric

Kimberlite Amel Super Maramu #376





From: amelyachtowners@... [mailto:amelyachtowners@...]
Sent: Friday, April 10, 2015 5:53 PM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Super Maramu copy





As a former Davidson owner I can assure you this is not a Davidson. I suspect the broker messed up.

Cheers

Danny

SM 299 Ocean Pearl

Mangonui

New zealand


_____

From: "jjjk12s@... [amelyachtowners] <mailto:jjjk12s@...%20[amelyachtowners]> " <amelyachtowners@... <mailto:amelyachtowners@...> >
To: amelyachtowners@... <mailto:amelyachtowners@...>
Sent: Friday, 10 April 2015 9:00 PM
Subject: [Amel Yacht Owners] Super Maramu copy





I thought this might be interesting to SM owners. I have no connection to the boat but the respected designer appears to have been very heavily influenced by Amel.



Used Davidson 52 for Sale | Yachts For Sale | Yachthub <http://yachthub.com/list/yachts-for-sale/used/sail-monohulls/davidson-52/167587>



<http://yachthub.com/list/yachts-for-sale/used/sail-monohulls/davidson-52/167587>

<http://yachthub.com/list/yachts-for-sale/used/sail-monohulls/davidson-52/167587> Used Davidson 52 for Sale | Yachts For Sale | Yachthub

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[Non-text portions of this message have been removed]


Re: [Amel Yacht Owners] Re: Bill- water tank vent

amelforme
 

Hello Bill, Gary and the group. That 'pipe' is there to bring the wires for
the aft most sensor for the sonic speed inside the boat AND ABOVE THE
WATERLINE. Since the aft most sensor is mounted deeper below the water line
than the forward one, it would be more likely for this one to seep/leak
over time. Bringing the top of the tube up above the waterline would keep
any leak from propagating and sinking the boat if one were away and didn't
notice the saloon sole floorboards floating.



No, I didn't make this up! It was told to me by none other than Jacques
Carteau, the Technical Manager and one time very reluctant Chairman of Amel,
after Bonneteau and before Lemonnier. Carteau is quite an interesting fellow
that someone should do a biography on as he is still with us to edit it.



I can't recall specific details of the repair-replacement of sonic speed
senders but I am aware of several Amel owners who took on the replacement of
sonic speed senders which must be replaced as a team/both at the same time.
Most of them completed the arduous task noting it is not for faint hearts.
Some bailed out and put in a paddle wheel sender instead.



Olivier, are both senders cabling inside conduit/tubes or must they be dug
out?



Thank God for Olivier. If you see him, feed him well and give him a good
glass of wine.



All The Best. Have fun With Your Amel!

Joel

Joel F. Potter/Cruising Yacht Specialist LLC

THE AMEL GUY

954 462 5869







From: amelyachtowners@...
[mailto:amelyachtowners@...]
Sent: Sunday, April 12, 2015 1:55 AM
To: amelyachtowners@...
Subject: Re: [Amel Yacht Owners] Re: Bill- water tank vent





Gary is absolutely correct. Although I cannot see or feel a wire exiting
this hose, when I shine a bright light on the hose, I can see a wire inside.


This vent comment was a side comment to the observations I made when opening
and cleaning the fresh water tank's 3 ports. It was a quick and careless
assumption on my part. I apologize for that assumption and will correct the
graphic today.

This brings me back to my earlier comment to Eric that the only venting of
the water tank is through the floating gauge pipe.

Gary, Boris at Amel told me that the sensors would have to be cut out of the
hull. B&G told me they must be installed in matched pairs. At least we know
where one of the sensor wires is routed.

Bill Rouse
BeBe Amel 53 #387
Sent from my tablet
+39 333 121 8115 Italy Mobile
+1832-380-4970 USA Voice Mail

On Apr 12, 2015 1:19 AM, "amelliahona" <no_reply@...
<mailto:no_reply@...> > wrote:



Hi all:



The hose in photo number 4 (labeled tank vent), is NOT a tank vent. It is a
hose that exits at the inboard edge of the the aft locker under the table in
the saloon.



If you look closely in the picture, and you can check this on your own boat,
you can make out that there is an electrical cable inside the hose. I asked
Olivier about this hose when we took delivery of the boat and he indicated
that the hose was there to protect the cable inside, and that cable is the
sonic speed indicator sensor/transmitter that is imbedded in the leading
edge of the stub keel (i.e. the lower aft transducer of the two sonic speed
transducers). At the forward end of the hose the cable exits and traversed
starboard to route to the sonic speed computer that is strapped under the
shelf in the forward lower cupboard beside the starboard side saloon seat.



Olivier, if you see this, can you shed some light on how i t might be
possible (or not possible) to replace the sonic speed sensors (both in the
stub-keel and the forward hull). It seems many of us have had failure of
the transducers. Are the sensors in some sort of conduit that allow them to
be pulled and replaced?



All the best,



Gary Silver

s/v Liahona

lying Sapphire Bay Marina, St. Thomas, USVI


Re: [Amel Yacht Owners] Fresh water pump pressure switch settings

Bill & Judy Rouse <yahoogroups@...>
 

Alan,

There are a variety of pumps in the SM. I have the Reya 66b pump, formerly made by AMFA.

It turns on at about 1.25 BAR and turns off at about 2 BAR. this seems to work fine.

I believe the Square D pressure switch comes set at a much higher PSI, but can be adjusted to the above...at least that worked for me. Adjusting the pressure switch is a lot of trial and error. There are two adjusting nuts...they have to be adjusted in order. I found adjustment instructions here: http://www.ehow.com/way_5372099_square-pump-pressure-switch-instructions.html

There are some Youtube videos as well, but I have not looked at them.

Bill
BeBe 387

On Sun, Apr 12, 2015 at 12:53 PM, divanz620@... [amelyachtowners] <amelyachtowners@...> wrote:
 

Do we know what the standard factory high and low pressure settings are for the Square D pressure switch mounted on the fresh water pump in the Super Maramu ?


Thanks

Alan

SV Elyse SM437

Gulf Harbour NZ