[Amel Yacht Owners] Re: bow thruster service. Problem
Bill & Judy Rouse <yahoogroups@...>
The Amel Bow Thruster shaft tube removal tool is placed around the black shaft tube just under the motor (engine). It is clamped securely to the shaft tube. Then you turn the bolts which will press against the motor (engine). This will cause the motor (engine) and the shaft tube to separate. Be prepared for the separation or the bow thruster will fall to the ground. This rust which is holding the black shaft tube to the electric motor is caused by saltwater leaking past the seals and possibly by leaving the bow thruster down in rough water. Other causes are an overloaded boat with too much weight in the bow. Also forgetting to use the safety pin when the bow thruster is raised. Be sure to clean the bottom of the motor where the shaft tube meets and visually inspect the bearing on the shaft of the motor. That bearing may need replacing. If it does, be sure to hire a highly qualified electric motor repairman. That motor is no longer available and you do not want to damage it or ruin it. When reassembling use plenty of waterproof grease at the junction of the shaft tube and the motor. I recommend service during every haulout...about every 2 years. Bill Rouse
On Jun 13, 2016 2:45 AM, "rossienio@... [amelyachtowners]" <amelyachtowners@...> wrote:
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enio rossi
Thank you once again. Beat with a hammer on the shaft tube, while the tool is pulling,can help the detachment of the rust, or risk of damage the same tube? I'm working but does not seems to go down..........
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Bill & Judy Rouse <yahoogroups@...>
Roasienio, You already have obtained the tool? Are you using the tool? I have used a hammer, but this can be dangerous. Care is needed. If you break the cast iron housing, you will not be able to replace it. See if you can find an electric rotary hammer impact device which could be set to vibrate the housing of the electric motor (engine), while the tool pulls downward on the black shaft tube. Continue to spray penetrating fluid in and around the joint that is stuck. I would use rotary hammer vibration for an hour. If that doesn't work let the penetrating fluid soak for a day then one more hour. If you haven't used one of these devices before I suggest that you get expert help. Do not let anyone use a torch. You understand that all of your problem was caused by lack of service. Bill Rouse
On Jun 14, 2016 10:04 AM, "rossienio@... [amelyachtowners]" <amelyachtowners@...> wrote:
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Enio,
No, don't hammer on the tube - only on the metal of the electric motor. You might try tightening your extraction tool AND using the chain wrench around the electric motor base. Keep at it for a few hours each day and it will eventually loosen up (I think :-) Craig Briggs, SN#68 Sangaris
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enio rossi
A mechanical blacksmith, who also makes car engines adjustement,built me something like the Amel tool..........I'm trying with the tool, and also with the chain wrench and WD40.
Thursday will be an engeneer working on the boats(???!!!) . Let's hope so. Thanks again.
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enio rossi
Thanks for your suggestions. Finally the foot is out!!!!!!I used a chain wrench, a hammer, Amel tool and the help of a mechanic. Now I have to change the oil (SAE90????) and 3 new neoprene washers. Who should I order the 3 foam seals? Does anyone have the email address of Amel AV France?
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Germain Jean-Pierre <jgermain@...>
Greetings,
Amel has an email dedicated to parts ordering… SAV at amel.com You can also consult their web site for added info. GL Jean-Pierre Germain SY Eleuthera, SM 007
Jean-Pierre Germain, SY Eleuthera, Amel Super Maramu 007 Porto Turistico Marina di Ragusa, Pontoon M15,
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christian alby <calbyy@...>
send to sav@... they will send the drawing with parts list & respond on availability of parts rgds christian alby, Desirade VIII, Maramu nr 116 Christian Alby - France home fixe +33 (0)5 34 39 06 02 home Internet +33 (0)9 60 37 22 72 mobile +33 (0)6 42 69 07 80
De : "rossienio@... [amelyachtowners]" À : amelyachtowners@... Envoyé le : Lundi 20 juin 2016 10h15 Objet : Re: [Amel Yacht Owners] Re: bow thruster service. Problem Thanks for your suggestions. Finally the foot is out!!!!!!I used a chain wrench, a hammer, Amel tool and the help of a mechanic. Now I have to change the oil (SAE90????) and 3 new neoprene washers. Who should I order the 3 foam seals? Does anyone have the email address of Amel AV France?
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Alexandre Uster von Baar
Glad you got it out.
toggle quoted messageShow quoted text
Yes the oil is SAE 90 The email is: sav@amel.fr If I may suggest, purchase spare foam seals, seals, nylon bolt, hubs,, stainless pin, etc. Heroes what I carry on: http://nikimat.com/spare_parts_bow_thruster.html Here are pictures I took of the overhaul procedure written by Gary Silver and notes from Bill Rouse. http://nikimat.com/bow_thruster_overhaul.html If you need help don’t hesitate. Sincerely, Alexandre SM2K #289 NIKIMAT Club Nautico de San Juan, Puerto Rico --------------------------------------------
On Mon, 6/20/16, rossienio@yahoo.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:
Subject: Re: [Amel Yacht Owners] Re: bow thruster service. Problem To: amelyachtowners@yahoogroups.com Date: Monday, June 20, 2016, 3:15 AM Thanks for your suggestions. Finally the foot is out!!!!!!I used a chain wrench, a hammer, Amel tool and the help of a mechanic. Now I have to change the oil (SAE90????) and 3 new neoprene washers. Who should I order the 3 foam seals? Does anyone have the email address of Amel AV France? #yiv1941608189 #yiv1941608189 -- #yiv1941608189ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #yiv1941608189 #yiv1941608189ygrp-mkp hr { border:1px solid #d8d8d8;} #yiv1941608189 #yiv1941608189ygrp-mkp #yiv1941608189hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #yiv1941608189 #yiv1941608189ygrp-mkp #yiv1941608189ads { margin-bottom:10px;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad { padding:0 0;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad p { margin:0;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad a { color:#0000ff;text-decoration:none;} #yiv1941608189 #yiv1941608189ygrp-sponsor #yiv1941608189ygrp-lc { font-family:Arial;} #yiv1941608189 #yiv1941608189ygrp-sponsor #yiv1941608189ygrp-lc #yiv1941608189hd { margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;} #yiv1941608189 #yiv1941608189ygrp-sponsor 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Bill & Judy Rouse <yahoogroups@...>
Alex, Everyone should download the fantastic photo display of the bow thruster overhaul that you provide at http://nikimat.com/bow_thruster_overhaul.html It is the best! Perfect! Also, regarding your parts list. Amel has changed the foam seals to all 3 seals being Neoprene foam seal 110x60. The Natural Foam that was used inside is now Neoprene foam. You may want to update your parts list to reflect this change. Thanks, Bill BeBe 387
On Mon, Jun 20, 2016 at 11:48 AM, Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...> wrote:
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Bill <greatketch@...>
And the size of the seal on the prop shaft has changed too... from an ID of 30 to 29.
On Jun 20, 2016, at 09:07, 'Bill & Judy Rouse' yahoogroups@... [amelyachtowners] <amelyachtowners@...> wrote:
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Alexandre Uster von Baar
Good morning Bill,
toggle quoted messageShow quoted text
Without Gary Silver and your help, I could not have done it. So first a big thank to both of you! I will need to improve it, as I did not show the replacement of the 2 foam seals on the bow thruster foot. Also I should cut it in sections, to make it more low bandwidth friendly… Also, the last time, it was much easier to add the bearings. I just added the new specifications on the neoprene foam seal and the seal. Sincerely, Alexandre --------------------------------------------
On Mon, 6/20/16, 'Bill & Judy Rouse' yahoogroups@svbebe.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:
Subject: Re: [Amel Yacht Owners] Re: bow thruster service. Problem To: "amelyachtowners@yahoogroups.com" <amelyachtowners@yahoogroups.com> Date: Monday, June 20, 2016, 8:07 AM Alex, Everyone should download the fantastic photo display of the bow thruster overhaul that you provide at http://nikimat.com/bow_thruster_overhaul.html It is the best! Perfect! Also, regarding your parts list. Amel has changed the foam seals to all 3 seals being Neoprene foam seal 110x60. The Natural Foam that was used inside is now Neoprene foam. You may want to update your parts list to reflect this change. Thanks, BillBeBe 387 On Mon, Jun 20, 2016 at 11:48 AM, Alexandre Uster von Baar uster@rocketmail.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote: Glad you got it out. Yes the oil is SAE 90 The email is: sav@amel.fr If I may suggest, purchase spare foam seals, seals, nylon bolt, hubs,, stainless pin, etc. Heroes what I carry on: http://nikimat.com/spare_parts_bow_thruster.html Here are pictures I took of the overhaul procedure written by Gary Silver and notes from Bill Rouse. http://nikimat.com/bow_thruster_overhaul.html If you need help don’t hesitate. Sincerely, Alexandre SM2K #289 NIKIMAT Club Nautico de San Juan, Puerto Rico -------------------------------------------- On Mon, 6/20/16, rossienio@yahoo.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote: Subject: Re: [Amel Yacht Owners] Re: bow thruster service. Problem To: amelyachtowners@yahoogroups.com Date: Monday, June 20, 2016, 3:15 AM Thanks for your suggestions. Finally the foot is out!!!!!!I used a chain wrench, a hammer, Amel tool and the help of a mechanic. Now I have to change the oil (SAE90????) and 3 new neoprene washers. Who should I order the 3 foam seals? Does anyone have the email address of Amel AV France? #yiv1941608189 #yiv1941608189 -- #yiv1941608189ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #yiv1941608189 #yiv1941608189ygrp-mkp hr { border:1px solid #d8d8d8;} #yiv1941608189 #yiv1941608189ygrp-mkp #yiv1941608189hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #yiv1941608189 #yiv1941608189ygrp-mkp #yiv1941608189ads { margin-bottom:10px;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad { padding:0 0;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad p { margin:0;} #yiv1941608189 #yiv1941608189ygrp-mkp .yiv1941608189ad a { color:#0000ff;text-decoration:none;} #yiv1941608189 #yiv1941608189ygrp-sponsor #yiv1941608189ygrp-lc { font-family:Arial;} #yiv1941608189 #yiv1941608189ygrp-sponsor #yiv1941608189ygrp-lc #yiv1941608189hd { margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;} #yiv1941608189 #yiv1941608189ygrp-sponsor 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enio rossi
Thanks again friends!! I ordered new foam seals. But now, given what read here,I have to put two or three foam seals on bow thruster shaft of my Santorin?
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Alexandre Uster von Baar
I don't own a Santorin, I own a Super Maramu, I assume they are similar.
toggle quoted messageShow quoted text
Consequently I strongly suggest 2 on the foot as Amel originally designed it. And 1 inside. if you have not seen it yet, here illustration of Gary & Bill instruction: http://nikimat.com/bow_thruster_overhaul.html Sincerely, Alexandre --------------------------------------------
On Tue, 6/21/16, rossienio@yahoo.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:
Subject: Re: [Amel Yacht Owners] Re: bow thruster service. Problem To: amelyachtowners@yahoogroups.com Date: Tuesday, June 21, 2016, 8:43 AM Thanks again friends!! I ordered new foam seals. But now, given what read here,I have to put two or three foam seals on bow thruster shaft of my Santorin? #yiv9406859655 #yiv9406859655 -- #yiv9406859655ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #yiv9406859655 #yiv9406859655ygrp-mkp hr { border:1px solid #d8d8d8;} #yiv9406859655 #yiv9406859655ygrp-mkp #yiv9406859655hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #yiv9406859655 #yiv9406859655ygrp-mkp #yiv9406859655ads { margin-bottom:10px;} #yiv9406859655 #yiv9406859655ygrp-mkp .yiv9406859655ad { padding:0 0;} #yiv9406859655 #yiv9406859655ygrp-mkp .yiv9406859655ad p { margin:0;} #yiv9406859655 #yiv9406859655ygrp-mkp .yiv9406859655ad a { color:#0000ff;text-decoration:none;} #yiv9406859655 #yiv9406859655ygrp-sponsor #yiv9406859655ygrp-lc { font-family:Arial;} #yiv9406859655 #yiv9406859655ygrp-sponsor #yiv9406859655ygrp-lc #yiv9406859655hd { margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;} 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Bill & Judy Rouse <yahoogroups@...>
Yes, 2 outside, 1 inside. Bill BeBe 387
On Tue, Jun 21, 2016 at 1:48 PM, Alexandre Uster von Baar uster@... [amelyachtowners] <amelyachtowners@...> wrote:
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enio rossi
The shaft of the Santorin BT has a diameter of 59-60mm, as I believe that of the SM, then the foam seals are the same? Then why it says here (3D Bow thruster) that it should be put on the SM 3 outside? Excuse me, but I want to avoid any leakage of water, and I am not at all experienced. regards. enio
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Bill & Judy Rouse <yahoogroups@...>
The foam seals on the SM are placed 2 outside and one inside. The outside foam helps seal water when the bow thruster is retracted. The inside seal helps seal water when the bow thruster us in use. The primary seal is the lip seal on the tube. Bill Rouse
On Jun 22, 2016 4:09 PM, "rossienio@... [amelyachtowners]" <amelyachtowners@...> wrote:
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Jim Anderson
Perfect timing on this topic for me. Thanks in advance for any help with the following questions. Please forgive me for demonstrating ineptitude as I chime in with a few questions:
1. When doing the in-the-water service today on SM384, as per Gary Silver’s instructions & Bill Rouse’s additional notes, after removing the four hex-head screws that secure the Thruster Shaft Housing to the Motor, the shaft would not drop all the way down and out the bottom of the boat. It stopped a good 2” above the “stopper” hose clamp. After installing the Amel Special Tool initially I could lift the shaft up and down but after trying to ram it downwards it stuck and wouldn’t budge up or down. I had to hire a diver. After much pulling and wiggling the diver finally got the shaft to come out. Upon inspection of the foot, shaft and the diver’s inspection of the Thruster Trunk nothing looked unusual. Any ideas what might have caused this? I am hoping I won’t encounter the same problem with the shaft getting stuck when trying to put it back in tomorrow.
2. The diameter of the two neoprene seals on the Thruster Foot is larger than the width of the foot on one side and would over-hang on one side, except the excess was trimmed off with a razor knife. (Photo posted at: https://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/1196149903 The Amel-supplied replacements are identical and will need have the over-hang trimmed off too if they are not to over-hang. Is this normal? (Last service, seals in photo done by Amel Martinique.)
3. Where is the Prop Shaft Lip Seal? Is it in the hub of the propeller, flush with the 6 nylon screws that hold the prop on, or is it behind the prop in the foot? I removed the 6 nylon screws from the prop but it will not come off. The seal in the hub of the prop, flush with the nylon screws, is smaller than the Amel-supplied prop shaft seal so I presume the lip seal is in the trunk behind the prop. If so, any suggestions on how to get the prop off with the 6 nylon screws removed? Again, thanks for any help and please forgive me for demonstrating my ignorance. Jim SM384 Sirena Azul Seattle
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Alexandre Uster von Baar
Good morning Jim,
toggle quoted messageShow quoted text
1) I did 3 times the bow thruster overall and it never happened to me, unless I am not understanding the question… You did not keep the stopper to make the Thruster shaft going through the seal did you? Here are pictures I took, it if helps: http://nikimat.com/bow_thruster_overhaul.html 2) Being cut is normal, I think a slightly better job could have been done cutting the foam. 3) The prop shaft lip seal in under the propeller hub, here is the picture: http://nikimat.com/bow_thruster_overhaul/bow_thruster_overhaul_22.jpg You will need to be “VERY” careful using 3 tiny screw to pull it out. You don’t want to damage the food of the bow thruster. Look at my pictures. I think it will make sense. Sincerely, Alexandre --------------------------------------------
On Wed, 6/22/16, capt.anderson@gmail.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:
Subject: Re: [Amel Yacht Owners] Re: bow thruster service. Problem To: amelyachtowners@yahoogroups.com Date: Wednesday, June 22, 2016, 11:11 PM Perfect timing on this topic for me. Thanks in advance for any help with the following questions. Please forgive me for demonstrating ineptitude as I chime in with a few questions: 1. When doing the in-the-water service today on SM384, as per Gary Silver’s instructions & Bill Rouse’s additional notes, after removing the four hex-head screws that secure the Thruster Shaft Housing to the Motor, the shaft would not drop all the way down and out the bottom of the boat. It stopped a good 2” above the “stopper” hose clamp. After installing the Amel Special Tool initially I could lift the shaft up and down but after trying to ram it downwards it stuck and wouldn’t budge up or down. I had to hire a diver. After much pulling and wiggling the diver finally got the shaft to come out. Upon inspection of the foot, shaft and the diver’s inspection of the Thruster Trunk nothing looked unusual. Any ideas what might have caused this? I am hoping I won’t encounter the same problem with the shaft getting stuck when trying to put it back in tomorrow. 2. The diameter of the two neoprene seals on the Thruster Foot is larger than the width of the foot on one side and would over-hang on one side, except the excess was trimmed off with a razor knife. (Photo posted at: https://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/1196149903 The Amel-supplied replacements are identical and will need have the over-hang trimmed off too if they are not to over-hang. Is this normal? (Last service, seals in photo done by Amel Martinique.) 3. Where is the Prop Shaft Lip Seal? Is it in the hub of the propeller, flush with the 6 nylon screws that hold the prop on, or is it behind the prop in the foot? I removed the 6 nylon screws from the prop but it will not come off. The seal in the hub of the prop, flush with the nylon screws, is smaller than the Amel-supplied prop shaft seal so I presume the lip seal is in the trunk behind the prop. If so, any suggestions on how to get the prop off with the 6 nylon screws removed? Again, thanks for any help and please forgive me for demonstrating my ignorance. JimSM384 Sirena AzulSeattle #yiv3352698027 #yiv3352698027 -- #yiv3352698027ygrp-mkp { border:1px solid #d8d8d8;font-family:Arial;margin:10px 0;padding:0 10px;} #yiv3352698027 #yiv3352698027ygrp-mkp hr { border:1px solid #d8d8d8;} #yiv3352698027 #yiv3352698027ygrp-mkp #yiv3352698027hd { color:#628c2a;font-size:85%;font-weight:700;line-height:122%;margin:10px 0;} #yiv3352698027 #yiv3352698027ygrp-mkp #yiv3352698027ads { margin-bottom:10px;} #yiv3352698027 #yiv3352698027ygrp-mkp .yiv3352698027ad { padding:0 0;} #yiv3352698027 #yiv3352698027ygrp-mkp .yiv3352698027ad p { margin:0;} #yiv3352698027 #yiv3352698027ygrp-mkp .yiv3352698027ad a { color:#0000ff;text-decoration:none;} #yiv3352698027 #yiv3352698027ygrp-sponsor #yiv3352698027ygrp-lc { font-family:Arial;} #yiv3352698027 #yiv3352698027ygrp-sponsor #yiv3352698027ygrp-lc #yiv3352698027hd { margin:10px 0px;font-weight:700;font-size:78%;line-height:122%;} #yiv3352698027 #yiv3352698027ygrp-sponsor #yiv3352698027ygrp-lc .yiv3352698027ad { 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Bill & Judy Rouse <yahoogroups@...>
Jim, You did not say that you looked up at the bottom of the motor. It probably looks like this: https://groups.yahoo.com/neo/groups/amelyachtowners/photos/albums/1587075684/lightbox/549533960?orderBy=ordinal&sortOrder=asc&photoFilter=ALL#zax/549533960 As the cast iron electric motor housing oxidizes because of salt water, the rust causes a reduction in size of the tube connection, freezing the tube to the motor housing. Take a camera and point it up at the bottom of the motor and see if you get something similar to the above. Clean the oxidation very well and use wet dry sand paper on the inside wall. Then grease this entire area with waterproof grease...also same grease for the end of the tube that inserts into the motor housing. Take a look at Alex's photos on a rebuild of the bow thruster at http://nikimat.com/bow_thruster_overhaul.html You will see that the bow thruster propeller shaft is behind the white Delrin propeller hub. You need to slightly trim the external (2) neoprene seals to fit. Hope this helps. Bill BeBe 387 Currently Grenada
On Thu, Jun 23, 2016 at 4:11 AM, capt.anderson@... [amelyachtowners] <amelyachtowners@...> wrote:
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