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Re: Breaker Panel Label Back Lights
Hi David,
The problem is that the blue lights are switched via resistors. Blue LEDs are by their nature very sensitive to overvoltage. You should supply LEDs ideally with a current source instead of a voltage source. A current source supplies a certain current and regulates the voltage to get to that current. Using resistors is (especially) for blue LEDs a poor choice as your supply voltage can be anything from 24 to 29 volt. For a blue LED this means that when you pick a resistor suitable for 29 Volt, the thing will hardly light up at 24 volt. Picking a resistor for 24 Volt will fry the LED at 29 volt. This is why these switch panel lights die. What I've did is count the number of LEDs (pairs) you need, multiply this with the optimal current for each pair of LEDs. The pairs are set in series on the PCB so the optimal current for one LED is the same as for the pair. I'm not sure anymore but I think I got to 500 mA for the lot. Then I bought a converter similar to this one from Amazon: https://www.amazon.com/Power-Supplies-25-2W-15-50V-500mA/dp/B00HKJAW20/ref=sr_1_63?crid=3YQWWEX2UH14&dchild=1&keywords=constant+current+led+driver&qid=1596040540&sprefix=constant+current+%2Caps%2C266&sr=8-63 This is a constant current supply to feed all the leds (in pairs). This has been working excellent for some time now. Each individual LED is fed their optimal current. I can't find the LEDs anymore that I bought from Amazon at the time, but I bought them in small bulk similar to these https://www.amazon.com/100pcs-Ultra-Bright-Emitting-Diffused/dp/B01GE4WEGI/ref=sr_1_8?dchild=1&keywords=blue+LED+5mm&qid=1596041080&sr=8-8 Hope this helps, Arno Luijten SV Luna, A54-121
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Re: A54 SSB Antenna
Michael & Robyn
Hi Garulfo
Glomex / Shakespeare 390-1 Classic SSB mounting instructions state: "1a. You must apply Loctite 242 thread locking compound to the Tip Section’s ferrule threads and the Base Section’s upper ferrule threads before assembly to ensure that the Tip Section remains securely tightened while in service." see here: https://shakespeare-ce.com/marine/product/390-1-ssb-antenna/ We installed ours about 3 yrs ago and no issues with loose threads. -- Michael & Robyn SY RIPPLE SM2K # 417
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Re: Onan Generator exhaust temperature switch - great price.
WAIT and read this before you order! Not all Onan Generators in all SMs and 54s are created equally. Use your ohmmeter to check for continuity between the terminals on the temperature sensor on the exhaust elbow. Some Onan models have part 309-0295-01 which is Normally Closed. Other models have part 309-0295 is Normally Open. Which sensor you have depends on your Onan Model and Serial. Check the parts manual for your model to determine how to test this sensor. Or call your Cummins/Onan dealer with your model and serial number. Good to know: The normal temperature of the exhaust elbow is about 50C and the normal temperature of the coolant is about 80C. Were these in range? How many hours since the last impeller change? Should be less than 300hrs or 12 months. The impeller blades can look OK, but the impeller can be defective. You can have some water flow, but not enough to keep the elbow below about 70C (the approximate cut-off temp).
On Wed, Jul 29, 2020 at 4:02 AM Mark Pitt <mark_pitt@...> wrote:
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Re: Onan Generator exhaust temperature switch - great price.
Michael & Robyn
Hi Eric,
please count me in for three of these sensors. I just replaced the rubber hose coupling between the exhaust elbow and the pipe leading outside of the onan box and could see that the sensor contacts are very corroded. -- Michael & Robyn SY RIPPLE SM2K # 417
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Re: A54 SSB Antenna
3M makes a product, Scotch 2200 mastic pads that is excellent for that situation. I literally removed my two antennae from my SM two days ago when I took the masts down. I intend to use it when I put them back up. Scotch 2200 is a very long lasting self-sealing waterproof product that comes in either tape form or pads (roughly 3”x5”) that can be cut to size.
-- Dave Kurtz SM2 #380 S/V Celtic Cross Detroit, Michigan
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Re: Onan Generator exhaust temperature switch - great price.
Jim Anderson
Hi Eric, Please put me down for one. Thanks, Jim SM384 Sirena Azul Seattle
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Re: Onan Generator exhaust temperature switch - great price.
Online here for $48. or use their $13.20 one with spade connectors rather than screw.
http://senasys.com/fan-limit-temperature-switch-generators -- SN68 Sangaris, Tropic Isle Harbor, FL
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Breaker Panel Label Back Lights
David Crisp
Sharing some info' for the benefit of those folks who are wanting to fix the back lights that illuminate the breaker panel labels.
Almost none of the LED’s back lighting the breaker panel labels on my Amel 54 were working. I was going to buy individual LEDs and fit fresh myself but in the event Amel provided complete replacement PCBs (with LEDs mounted) – thank you Sonja.
What I did learn from an electrician who has fitted individual replacement LEDs is that they are ~3.2V 1.0 – 1.2 cd (depends how bright you want them) blue LEDs he thinks they each draw about 20mA. The electrician spent a day changing all the blue LED for red at the request of an owner.
For each label there is a pair of LED and resistor fitted in series. This means only one LED needs to fail and a pair will stop working. An individual LED costs ~1Euro. David Crisp SV Wilna Grace Amel 54 #58
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Re: A54 holding tank drain seasock
Hi Soraya,
I operate them every moth or so. Not much more you can do other then spraying them with Corrosion-X. But the reality is they do get bad as these are pretty standard chromed brass seacocks. Getting proper bronze ones is close to impossible for the thread that is used on the outlet pipe. At least I was not able to source them. I can source bronze ones with tapered thread no problem, but not with a straight thread. I had to replace the forward seacock as it was leaking via the shaft that operates the ball. It is a challenge to do. I ended up with a badly bruised upper arm for a week or so. Use Loctite 577 to seal the threads positioning the seacock in the proper rotational position. Before screwing it on with the Loctite, first do a dry-fit and count the number of rotations you need to make to fit it as far as it will go. Regards, Arno Luijten SV Luna, A54-121
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Re: Onan Generator exhaust temperature switch - great price.
Alan Grayson
Hi Eric, I'll take 2.
Regards
Alan Grayson
SM 406 Ora Pai
Lancaster Virginia
From: main@AmelYachtOwners.groups.io <main@AmelYachtOwners.groups.io> on behalf of eric freedman <kimberlite@...>
Sent: Wednesday, 29 July 2020 12:37 AM To: Amel Owners <main@amelyachtowners.groups.io> Subject: [AmelYachtOwners] Onan Generator exhaust temperature switch - great price. I have broken a few of these switches over the years. I have done this by reaching over the generator to retrieve something stored behind the genset. I received a quote from my Onan dealer and on Amazon for around $90- plus tax which is ridiculous. I tracked down the OEM manufacturer and the cost is about $23- plus a one time set up fee of about $50- I plan on ordering 2 of these. They stated that they make this for ONAN. If anyone is interested please let me know and I can order them for you $33- each plus USPS of about $8.00. I will order the switches within a week. Fair Winds, Eric SM 376 Kimberlite
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Re: Antal Genoa Traveler Blocks for sale
Alan Grayson
Hi Alan, For the one I have off the springs are good and I can rotate the pin by hand. The plastic rails are a bit sloppy compared to new ones but otherwise good order. I'll have the other one off tomorrow but currently I cannot move the pin.
Regards
Alan
From: main@AmelYachtOwners.groups.io <main@AmelYachtOwners.groups.io> on behalf of Alan Leslie <s.v.elyse@...>
Sent: Wednesday, 29 July 2020 5:34 AM To: main@AmelYachtOwners.groups.io <main@AmelYachtOwners.groups.io> Subject: Re: [AmelYachtOwners] Antal Genoa Traveler Blocks for sale Hi Alan,
I could be interested. Are the springs that hold the blocks up all working i.e. not broken? Have you ever taken the long pin out ? What's the condition of the plastic slides that bear on the track? Cheers Alan Elyse SM437
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Re: Onan Generator exhaust temperature switch - great price.
Mark Pitt
Eric,
toggle quoted messageShow quoted text
I will order one. I have never had an issue with mine but you never know. Thanks for doing this. Best, Mark Sabbatical III, Sm#419, Rhode Island, USA
On Jul 29, 2020, at 1:13 AM, eric freedman <kimberlite@...> wrote:
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Re: A54 SSB Antenna
Ian Park
I have always used self amalgamating tape round the joint to keep moisture out. It does seem to keep the threads from slipping.
toggle quoted messageShow quoted text
Ian Ocean Hobo SN96 (currently in Wales)
On 29 Jul 2020, at 05:51, Sv Garulfo <svgarulfo@gmail.com> wrote:
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Re: A54 holding tank drain seasock
Randall Walker
When you say grip do you mean just get hard to turn? On my 54 I was about to remove and replace my handle. It was hard to turn and the tank would not empty, I thought it was the handle, it was sticky but it ended up being a build up of scale in the drain pipe. I put descaling liquid in (Harpic 10) that loosened the build up. In the end I got in the tender, used an old piece of 3/8 inch dowel/stick and ran it up the hole from the waterline, it broke the scaling and drained, now it turns easy and the tank drains properly. Re and re the valve could be a messy job. Cheers, Randall A54#56
On Wed, Jul 29, 2020 at 6:51 AM Sv Garulfo <svgarulfo@...> wrote: Hello,
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Re: Antal Genoa Traveler Blocks for sale
Hi Alan,
I could be interested. Are the springs that hold the blocks up all working i.e. not broken? Have you ever taken the long pin out ? What's the condition of the plastic slides that bear on the track? Cheers Alan Elyse SM437
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Re: Onan Generator exhaust temperature switch - great price.
eric freedman
Mohamed,
toggle quoted messageShow quoted text
Are you in the USA? If you are I will order them for you. We will figure out payment when they are in my hands.. Fair Winds, Eric
On July 28, 2020 at 11:44 PM Mohammad Shirloo <mshirloo@...> wrote:
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Re: Onan Generator exhaust temperature switch - great price.
eric freedman
Mike,
toggle quoted messageShow quoted text
These are simple thermal switches. They are normally closed. If the circuit opens up the genset stops. My problem is sometimes they burn out and other times I hit the switch and it separates. Fair Winds, Eric
On July 28, 2020 at 10:41 PM "Mike Longcor (SV Trilogy)" <svtrilogy53@...> wrote:
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Re: Onan Generator exhaust temperature switch - great price.
eric freedman
Kent ,
toggle quoted messageShow quoted text
will do. Fair Winds, Eric
On July 28, 2020 at 9:28 PM "karkauai via groups.io" <karkauai@...> wrote:
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A54 SSB Antenna
Sv Garulfo
Hello
Our SSB Antenna comes in 2 parts. The threading that connects them has gotten loose and we would like to find away to secure them that doesn’t impact the transmission. Has anyone had this issue? Any recommendations on how to fix this? Thanks Soraya Garulfo A54-122 Tahiti
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A54 holding tank drain seasock
Sv Garulfo
Hello,
Any routine maintenance tips for the holding tanks drain seacocks? Ours are starting to grip. Thanks Soraya Garulfo A54-122 Tahiti
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