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Hi, I have a 54 MY and I am currently upgrading from failing Galley Maids heads to new Planus heads. I am looking at the plumbing diagram and find that only the master head has a siphon break, the two other do not have any. Why is that? As far as I can see all toilets/pumps are approx equal to...

I have 8v92ta's with Allison MH15's. I need a PTO for hydraulic thrusters. I know there is a possibility bolting them on the engines, does anyone know how much power you take out from those gears?Also, I see dieselpro sells hydraulic pumps for the Allisons - that would be KY preferred option as...

Hi,Just wanna share my story if there are anyone else with the same issue out there. So I have a 89 54MY with a Marquipt tender lift 1000/1500 with ac motor and manuel rotation. The winch first would no longer engage or hold the brake (it would spool out while loaded) and a few months later the...

Hi, I have a 89 54MY with 8v92ta's with a Glendinning synchroniser. Last year I purchased new tach cable for The Glendinning on port engine, but it broke after some 50 hours after the Glendinning tried to engage. I don't know what is wrong with the Glendinning, but I know I want to know the...

https://no.yachtworld.com/core/listing/cache/searchResults.jsp?slim=quick&sm=3&luom=127&currencyid=1012&searchtype=searchbar&Ntk=boatsNO&Ntt=Hatteras+montenegroI can't find this model in the brochure archive. Is it a custom one? And if so, from which basis? ThanksKristian

Hi,Does anyone know where the gfci for the upper level (601-circuit) is located for the 54MY 1989? I lost power on the circuit and the fuse is fine, but it see that the wire for 601 is feeding back 3-5V even when disconnected from the AC ships service, so I gather there's a ground fault some...

Hi,This sounds weird to me, but it looks like my 54MY is wired with common negative for both the 24V and 32V bank? Could this really be the case?In the staircase down to the galley, just above my genset room, there is both a 32V and 24V switch panel. And what looks like the 24V positive main...

Hi,I'm in the prospect of replacing eight portlights on my 54MY 1989. None are lesning, but the PO obviously couldn't manouver very good as he broke most of the plastic trims.. I bought the original Fuller Busch here on Sam's and am ready to have a go. I've got a Fein and Pretty much all the...

Hi, I have a 1989 54 MY and am looking to replace the old charger with an Outback combined charger and inverter such as the 3232. I live in Norway and shore power is 230 @ 50 hz. The original Onan gen set (mdl4) operates @ 60 hz, and there is a 230V circuit for european outlets throughout the...

For those of you with experience with Walker AirSeps; one of my turbos is throwing some oil than the other. See picture - the other one is dry. First, is this normal/"within spec"? It looks perhaps worse than it is. This is the result of some 100 hours, mostly at 1250rpm though, but the...

Hi,My starter has shorted and needs replacing (will try to rebuild as well, but that's plan B due to a tight timeline).I can only find 24V starters online.Question 1: what are good sources for a 32V starter?Question 2: is it possible to use a 24V starter?Thanks again for your excellent help...

Hi,I just installed a new bank with trojan t875 wet cells batteries.Some components in the autopilot must have been short circuited, because the pump went crazy and soon after (approx one minute) the brand new batteries were dead = only measuring 4 volts...I have now disconnected the AP...

Hi,I just bought a 54MY 1988 with 8v92TA's. Noticed a leak in end cap of the heat exchanger and i did the big mistake in tightening it too hard breaking the bronze threads. Amateur hour, I know... Although it was not hard at all though. So i need to tap some new threads, and should rinse it at...

Hi, I'm new to the marquipt system and have a question;I'm buying a 54 my with a 8 step stair. Problem is, the stairs cover half the pier (sorry if that's the wrong term) blocking traffic. Can I remove (how?) two steps for a steeper climb in order to take up less space on the pier? I see that...

Hi, I just sold my 42 LRC and am looking to buy a 54MY with 8v92TA's @735hp. I was looking at two 58 LRC's but they were both in bad condition, so I'm looking at the 54MY which looks really clean (visiting the boat next weekend). I enjoy the long slow ride, and will continue to do so even with...

Hi, I am the proud owner of a 42 LRC and looking to upgrade to the 58 LRC. I am currently looking at a specific 58 LRC. Although mostly in good condition, it turned out there are massive core problems for the large parts of the flybridge deck. Most, if not all, of the deck need repairing, and...

Longevity question on combined seacock and strainerI have a 42 LRC with a combined tri-flanged seacock and strainer. It is original from 1981 and looks just fine (apart from being more green than bronze, but I guess that's normal as all bronze exposed to moisture turns green over time), and also...

Hi, I have a 15 kva Jefferson that I'm not using anymore. Single phase, 120-240vac in/out. Catalog no is 211-001-078. I live however in Norway,so you might want to check the shipping costs....it weighs approximately a ton :-) or around 200lbs Kristian

Hi, anyone know what transmissions the 4-71's in the 58 lrc (1975) were coupled with? I know the smaller lrc's used Borg Warner, but that was with 4-53. I also understand the 6-71 installations in the 58 used Allisons.Thanks Kristian

I have a 42 LRC with a combined tri-flanged seacock and strainer. It is original from 1981 and looks just fine (apart from being more green than bronze, but I guess that's normal as all bronze exposed to moisture turns green over time), and also the seacock moves freely. Hoses were replaced a...