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    • Cummins Marine Forum Topics
    • Ball valve

      This topic has 5 replies, has 4 voices, and was last updated byRob Schepis 1 year ago

      February 23, 2023 at 3:41 pm So my son who is broke with 3 beautiful children purchased a new to him boat last year before he knew number 3 was on the way.Itā€™s a 2001 formula pc. I looked at the boat and we came up with a bunch of items for repair. The boat has some good bones and was a good buy but one among many other items I insisted he fix was the waste thru hull. The valve handle is stripped and stuck in the open position so we removed the ball valve.As he is broke and…

      Started by: William Walter in: General Discussion

      5 Replies
      February 25, 2023 at 6:04 am Would definitely make sense to replace the thru-hull, especially considering it will need to be cut down to proper height for the flange adapter. I agree that the overboard option has its uses and should not be abandoned.Ā 

      Last Post by: Rob Schepis posted: 1 year ago

    • Wolverines

      This topic has 14 replies, has 7 voices, and was last updated byWilliam Walter 1 year ago

      June 29, 2022 at 1:31 pm Love my wolverines but after a year and a half it seems one has failed.Doesnā€™t seem like there is any trouble shooting to do as basically there is just a plug and a pad.Anybody have to take one off and replace. Seems like a pain to remove.I was hoping for more than a year and a half.outlet is fine.Bill

      Started by: William Walter in: General Discussion

      14 Replies
      October 20, 2022 at 3:18 pm Tjborro I found those on Amazon. I was considering them also but the reviews werenā€™t great.About 100 bucks each.One reviewer said he got about a year and a half on his in the marine environment.But if you read all the reviews itā€™s hard to buy anything.They would seem to be a perfect solution if they last.Let us know.Bill

      Last Post by: William Walter posted: 1 year ago

    • Onan mdkav

      This topic has 3 replies, has 2 voices, and was last updated byTony Athens 1 year ago

      June 18, 2022 at 2:48 pm I just noticed a salt water leak in my generator pan.Of course itā€™s leaking from the back of the engine which is impossible to get a visual on. I can see a drip line which leads to a puddle under the engine which is coming from approximately the circled red circle. I can get my hand back there some but cannot feel any moisture on that hose or the exhaust pipe.From looking at the schematic I donā€™t see any other spots raw water could be leaking fr…

      Started by: William Walter in: General Discussion

      3 Replies
      June 20, 2022 at 7:04 pm If me? Cut out as much as practical and “Pedro it” with a rubber hose and RectorSeal #5Ā  between the hose & the SS — double or triple hose clamps.Ā  Thin wall chessyĀ  SS tube and seawater and seawater has always been a bad combo

      Last Post by: Tony Athens posted: 1 year ago

    • Motor mounts

      This topic has 5 replies, has 5 voices, and was last updated byWilliam Walter 2 years ago

      February 8, 2022 at 2:50 pm So I decided to change all my motor mounts on my 480ce.At first I thought it would be easier until I looked at my access and the amount I would have to jack up my engine.My shafts are out right now so the access would be better.The yard wants a ton to do the job so if itā€™s something I can tackle I would like to give it a try. I donā€™t want to bite off more than I can chew so Iā€™m looking for advice from anyone who has done this.The boat is a 38 ti…

      Started by: William Walter in: General Discussion

      5 Replies
      February 9, 2022 at 9:50 am Thanks to all for the great information.Gene youā€™re right about formulating a plan. I looked at pictures of my engine room and as Rob said I have what looks like aluminum spacers under each mount and top nuts are pretty high on the stud.Hopefully the sliding sideways method works after getting the pressure off. I plan to measure the height before removal of each one to help with alignment.The new mounts look like a match to the old so hopefully …

      Last Post by: William Walter posted: 2 years ago

    • Hit a log 1 2

      This topic has 25 replies, has 8 voices, and was last updated byWilliam Walter 2 years ago

      August 15, 2021 at 6:01 pm Not a good day today as I hit a submerged log in the middle of the ocean. I knew right away that both props were hit and damage had accured .was able to limp home at idle.hopefully tomorrow boat gets hauled and I can see the damage. Iā€™m thinking at this point just props but could be worse. Iā€™m sure insurance will be involved so I want make sure I cover all my bases.Iā€™m thinking cutlass bearings,struts,shaft seals,shaft checked.is there any way t…

      Started by: William Walter in: General Discussion

      25 Replies
      January 5, 2022 at 12:09 pm Thanks Jimmy for the info. I just got back from the boat and after cleaning up the back end of the bearing better I remeasured and indeed Tiara was right at 3 inches od. I agree with you about it not being the problem but I think while everything is out and I have no idea when they were done last it was best to do them. I took my props to my prop guy and learned a couple of things.One was that they werenā€™t a matched set with the stbd having been…

      Last Post by: William Walter posted: 2 years ago

    • Barry motor mounts

      This topic has 3 replies, has 3 voices, and was last updated byWilliam Walter 2 years ago

      November 21, 2021 at 2:41 pm Tony Two questions first I see the mounts are out of stock for my 480 ce. I know know mine are old but at this point only 2 are compressed and the rest look in good shape.Never changed a mount but It looks pretty simple.would the one Iā€™m replacing have to be supported or would the other three work during the change.Bill

      Started by: William Walter in: General Discussion

      3 Replies
      November 24, 2021 at 2:41 pm Thanks Rob good to see how you approached it. I think I only need to replace two mounts based on what Tony said .Still waiting to see if insurance will help in any way.Iā€™ll probably do the work in March if insurance doesnā€™t come through. I may take you up on your offer but I think I have most of what you showed. Bill

      Last Post by: William Walter posted: 2 years ago

    • Fuel filter

      This topic has 16 replies, has 8 voices, and was last updated byFireisland1 2 years ago

      November 9, 2021 at 8:07 am When I purchased boat it had a 30 micron filter in racor and a 5285 on engine filter .It was recommended to me to change the racor to a 10 micron filter.480 ce.wondering if 10 micron is the norm.Bill

      Started by: William Walter in: Cummins Marine Engines

      16 Replies
      November 16, 2021 at 8:44 pm Iā€™ve been using 2 mic Racor and 2mic fleetguard. I change them at 100 hours. Never had any issues

      Last Post by: Fireisland1 posted: 2 years ago

    • Oil leak

      This topic has 2 replies, has 2 voices, and was last updated byWilliam Walter 2 years ago

      July 18, 2021 at 5:55 pm On my 480 ce I have had an oil leak on my port engine since purchasing.It seems to be the rear main seal as itā€™s leaking from the bell housing and is dark. I lose maybe a pint in a season so I put a hose on it and let it drain into a milk jug. Now I have started to notice a minor leak coming from where my starter bolts on. Not sure if this is from the leak into the bell housing or if from somewhere else. Not sure how oil would get to that spot a…

      Started by: William Walter in: General Discussion

      2 Replies
      July 19, 2021 at 5:13 am What I did to monitor how much was leaking was put a hose to a garden hose repair end which screws into a barb I screwed in slightly to the plug in bottom of bell housing.The picture shows the hose going into milk container in bilge. I will monitor as I have been. Not enough so far to do anything about.Never noticed oil by the starter before so thatā€™s why I mentioned it.Thanks for the reply.Bill

      Last Post by: William Walter posted: 2 years ago

    • Alternator

      This topic has 6 replies, has 4 voices, and was last updated byWilliam Walter 2 years ago

      June 23, 2021 at 3:23 pm My stbd side alternator does not seem to be charging. I have a balmar alternator with a c-charger 12 volt external regulator .The regulator is for both alternators so instead of 3 warning lights on front it has six unlike the manual picture. The lights are status ,error ,and parallel.Before I start pulling things apart I was wondering if anyone was familiar with this setup. Itā€™s from 2003 so Charles no longer provides tech support.Iā€™m thinking a…

      Started by: William Walter in: General Discussion

      6 Replies
      July 1, 2021 at 1:28 pm Thanks for the input Denny.After doing my research and realizing the benefits of an externally regulated alternator I decided to stick with it and purchased a balmar to replace my old one.They are expensive but I hope it works out.Looked like the old one was dropped at some point because when I took it out the positive post was bent and the case was a little cracked around it .

      Last Post by: William Walter posted: 2 years ago

    • Fuel block

      This topic has 1 reply, has 2 voices, and was last updated byTony Athens 2 years ago

      June 21, 2021 at 2:50 pm Not sure of the internals on this fuel block on my fuel cooler which I removed but I used it to change the angle on my return fuel line after I removed the fuel cooler because it interfered with the the salt water pump.Bill

      Started by: William Walter in: General Discussion

      1 Reply
      June 21, 2021 at 6:52 pm Cummins Marine Three-Way Fuel & Oil Combo Block Manifold Fuel Flow Diagrams for the Popular 6BTA 5.9 330/370 Diamonds

      Last Post by: Tony Athens posted: 2 years ago

    • Valve lash

      This topic has 4 replies, has 3 voices, and was last updated bySteve Lewis 2 years ago

      May 11, 2021 at 2:55 pm So my owners manual says valve lash should be done at 1000hrs . I now have 1200 so Iā€™m thinking it should be done.At 300 and 500 hours the heads were done so Iā€™m thinking this was done at that time so should I use that as a benchmark or do it now.Engine is running great so I hate to mess with things if itā€™s not necessary. Already got the valve cover gaskets but is there anything else I need for the job. I was going to hire a mechanic to do it si…

      Started by: William Walter in: General Discussion

      4 Replies
      May 17, 2021 at 8:33 am Tony, As always, thank you for the clarification.

      Last Post by: Steve Lewis posted: 2 years ago

    • Wolverines

      This topic has 4 replies, has 4 voices, and was last updated bySteve Lewis 2 years ago

      April 1, 2021 at 1:56 pm Just installed 2 wolverines to my oil pans.Hoping they help with white smoke but doubt it as It doesnā€™t seem to stop until I get to power.Mainly I think the easy start and keeping my bilge dry will be the main benefits.We will see.Just wondering how they should be used. Thinking Iā€™ll leave them on until start then switch off the breaker.When I leave the boat Iā€™ll put them back on.Just wondering how everyone uses them especially through the summe…

      Started by: William Walter in: General Discussion

      4 Replies
      May 11, 2021 at 4:22 pm WW, We have the same engines. I just ordered Wolverines and the pyro/gauges. I will be installing them soon. Will report our experiences soon.

      Last Post by: Steve Lewis posted: 2 years ago

    • Fuel cooler removal 6cta

      This topic has 9 replies, has 3 voices, and was last updated byWilliam Walter 3 years ago

      April 8, 2021 at 4:04 pm Want to remove the cooler on my 480 ce.looks easy and I have the hose,clamps and rector seal I see in the kit.mostly interested getting the right fitting to go from a to c .not sure if the fitting in the 6cta kit is correct for my application as there is a 6bta video but not a 6cta video.If anyone can tell from my picture Iā€™d appreciate it or I can post more.Bill

      Started by: William Walter in: General Discussion

      9 Replies
      April 21, 2021 at 5:42 am Finished up both sides.used the block to change the angle to get around hose on port side.

      Last Post by: William Walter posted: 3 years ago

    • Fuel lines

      This topic has 1 reply, has 2 voices, and was last updated byNauti-est 3 years ago

      April 1, 2021 at 2:06 pm Picture enclosed shows my fuel line to my fuel cooler.Not sure if the cracking on the rubber is crucial for these fuel lines.Not sure how these fuel lines are constructed.If it was a regular hose I would replace it.If the fuel line should be replaced I would think about removing the fuel cooler as I think the fuel lines are expensive.Any input appreciated. Bill

      Started by: William Walter in: General Discussion

      1 Reply
      April 1, 2021 at 6:39 pm Lose the cooler and the fuel block and you will have eliminated several potential leak points and hoses. Itā€™s a fairly simple project. I have done this a year ago on one engine and and spent following season monitoring and comparing the engine with cooler vs engine w/o cooler. Fuel on non cooled side runs only 4-5 degrees higher. And that is after 6+ hours running. Not to mention easier impeller changes. I will be removing the other side. Back t…

      Last Post by: Nauti-est posted: 3 years ago

    • Antifreeze drain.

      This topic has 2 replies, has 2 voices, and was last updated byWilliam Walter 3 years ago

      December 22, 2020 at 8:49 am Iā€™ve just finished changing all the hoses on my salt water side and would like to start on the fresh water side.Changed antifreeze about 3 years ago so I would like to reuse.I thought I saw mention of a good location to do this in prior post but couldnā€™t find the post.The engine is a 480 ce.Thanks Bill

      Started by: William Walter in: General Discussion

      2 Replies
      December 30, 2020 at 7:01 am Thanks Tony. The picture above is a big help.On my boat I have both filters on the inside.I purchased the hose kit from seaboard which provided the two hoses to the filter which works on one side but the other side requires different lengths.Looks like 3/8 Iā€™d fuel hose.Would that be suitable for the other side that has the different lengths in a antifreeze application.Thanks Bill

      Last Post by: William Walter posted: 3 years ago

    • Rusting plate

      This topic has 4 replies, has 3 voices, and was last updated byWilliam Walter 3 years ago

      December 19, 2020 at 12:08 pm Not sure what this plate covers exactly on my 480 ce. Iā€™ve cleaned and painted it twice but must keep getting pretty hot. Is it like the exhaust manifolds and you just leave it or is it abnormal for this spot to get so hot.Would there be some sort of gasket for this.Bill

      Started by: William Walter in: General Discussion

      4 Replies
      December 20, 2020 at 10:22 am Yes going to try some high heat paint. Should have been trying that sooner as the Cummins paint didnā€™t hold up.Iā€™ve now gone to krylon gloss ivory.seems to match most and good price.yes rust is the enemy.Found these electrical connections behind after coolers pretty rusted so it slowed up putting the after coolers back on. Was a job as back nuts were hard to access and really rusted.All put together now thanks again for the help..

      Last Post by: William Walter posted: 3 years ago

    • Heat exchanger

      This topic has 3 replies, has 2 voices, and was last updated byWilliam Walter 3 years ago

      November 24, 2020 at 5:18 pm Onan generator..cleaned up this old heat exchanger best I could..I donā€™t have end caps or gaskets but wanted to make sure it would hold pressure before I purchased parts.tried to test fresh water side because I couldnā€™t figure out how to seal the salt water side but my setup didnā€™t hold pressure. Anyone have a good way to test this.

      Started by: William Walter in: Cummins Marine Engines

      3 Replies
      November 25, 2020 at 4:52 pm Tested perfect after putting more tape on the gauge assembly.

      Last Post by: William Walter posted: 3 years ago

    • Clamps

      This topic has 4 replies, has 2 voices, and was last updated byWilliam Walter 3 years ago

      November 21, 2020 at 4:56 pm Bunch of my clamps Had cracks in them.. breeze constant torque clamps so I purchased new ones along with scandvick clamps. Understand the constant torque clamps are temperature related but are they necessary everywhere..

      Started by: William Walter in: Cummins Marine Engines

      4 Replies
      November 24, 2020 at 4:57 pm Thanks again for the reply.must be hard to answer some of these trivial questions but in the interest of education I appreciate your patience..Bill

      Last Post by: William Walter posted: 3 years ago

    • Oil leak

      This topic has 5 replies, has 3 voices, and was last updated byWilliam Walter 3 years ago

      July 28, 2017 at 5:31 pm I previously had a leak from a hole in my airsep which I repaired but am still leaking oil.not quite as much as I was but probably 2 quarts over 80 hours.i got in bilge yesterday and found this.im thinking rear main seal but I cleaned as best I could and will monitor.im not sure what the hole is in picture.could that be a source of oil leak.Bill

      Started by: William Walter in: Cummins Marine Engines

      5 Replies
      October 5, 2020 at 11:51 am Well my seal leak hasnā€™t gotten any worse since this last post.I cleaned area up and put a threaded garden hose connector from bell housing to a hose which goes to a gallon water bottle that lays in bilge.keeps bilge clean and I can monitor how much oil goes through there. Iā€™m getting ready to change oil and was told that adding brake fluid could swell seal then change oil.not sure if itā€™s a good idea or waste of time.not sure if there are any o…

      Last Post by: William Walter posted: 3 years ago

    • Belt tensioner

      This topic has 7 replies, has 4 voices, and was last updated byFrancis Valerio 3 years ago

      August 27, 2020 at 10:24 am Two years ago I had belt tensioner and belt changed by a mechanic and yesterday both went on my 480 ce.I ordered new from seaboard and am awaiting parts . I should have gotten way more life out of those parts but as you can see in picture it cracked and pulley was seized.Not sure the sequence of events but suspect roller seized causing belt to snap casting.Is there anything to watch for when installing the new parts.would like to get more life o…

      Started by: William Walter in: Cummins Marine Engines

      7 Replies
      August 29, 2020 at 5:14 pm I had a similar failure on a ZF Hurth mounting bracket. That looks like a casting issue. Probably just a freak thing but it could have been costly… (over heat, or even worse in bad weather and seas…) It really dont matter now but if you look at the “break” closely you can look for a discoloration that is not clean like the rest of the break. If there is a noticeable area than that is prob the case. Def a unique failur…

      Last Post by: Francis Valerio posted: 3 years ago

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