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FTK
Commander Joined: 24 September 2018 Location: Hungary Status: Offline Points: 142 |
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Posted: 02 January 2020 at 21:12 |
Hi Guys,
I have to change the portlights sealings but I am not sure what type of portlights were installed. I think these are Lewmar standard portlights Size 1RE. Am I right? Tanks!
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320 #145
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Johan Hackman
Admiral of the Fleet Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4262 |
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Here is four-page-thread about the cockpit portlight on my 342: https://www.myhanse.com/rubber-seal-around-portlight_topic7713.html.
If you skip to the last page you will see that I gave up on trying to put an new seal in an replaced the entire portlight instead. Johan |
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FTK
Commander Joined: 24 September 2018 Location: Hungary Status: Offline Points: 142 |
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Hello Johan,
Sorry for that, I really hope that I can manage the exchange of seal. Three from the four portlights are leaking it would be a buck of money to change them Karoly
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320 #145
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Johan Hackman
Admiral of the Fleet Joined: 24 August 2005 Location: Sweden Status: Offline Points: 4262 |
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Three out of four should not be leaking, especially considering that your boat must be younger that mine. Have you been in contact with Lewmar?
I am not suggesting that anyone should replace the entire portlight once the seal needs to be replaced. It is just that I gave in to the easy way out of the problem. Johan |
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FTK
Commander Joined: 24 September 2018 Location: Hungary Status: Offline Points: 142 |
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It is 11 years old. As I see the seal is not that flexible anymore.
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320 #145
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Matt1
Rear Admiral Joined: 10 March 2019 Location: Hamble, UK Status: Offline Points: 664 |
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When I had a problem with my seal parting from the frame on my last boat, Lewmar recommended silicone sealant (eg clear bathroom sealant) to fix the new seal. Was still going strong when I sold my boat 13 seasons later. I hadn't until then appreciated what a good adhesive silicone can be. I did get a little bit between the seal and portlight that I didn't clean up in time before it set, but because it was clear it didn't really show.
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Hanse 418 #64 EmBer. Hamble, UK
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FTK
Commander Joined: 24 September 2018 Location: Hungary Status: Offline Points: 142 |
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As I realized some drop of water are coming in between the seal and the portlight Acrylic. So I decided to change the seal. I find only one critical, but if I do the job I will change all seals.
It would be appreciated if you could recommend a good seal care something to avoid the changing
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320 #145
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Captain Cook
Admiral Joined: 23 May 2006 Location: Denmark Status: Offline Points: 1009 |
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Just like the rubber seal on the doors of your car, the portlights need some silicone to stay flexible. Once a year I clean the rubber with soap and white spirit, and then I treat it with silicone or PTFE, and my seals are now close to 14 years old.
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Freya H400 #27 (2006), 40HP 3JH4E, 2-cabin, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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FTK
Commander Joined: 24 September 2018 Location: Hungary Status: Offline Points: 142 |
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Great advice!
I try to save the seal with this method, maybe I can bring back them into life! Please describe me what is the white spirit? THX
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320 #145
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