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micky

I saw that but wanted to see if he was still around. I removed the exhaust manifold and found 1 pit on the front cylinder exhaust. I'll pressurize the manifold today and apply some heat on the pit to see if its leaking there.

micky

Was hoping someone could help. I am loosing freshwater from my engine at a rate of about 1 gall every hour while running. The alarm sounds, but the engine never actually over heats. There is no water in the bilge, so I am assuming the water is either going out the exhaust manifold or the heat excha...

micky

A pressure check of the cooling system cold can confirm a leaking hose. One area is the heat exchanger. Is the coolant recovery tank losing fluid when it cools down? Is the fluid is sucked back into the engine? Does the tank gain much fluid when engine is hot? A weak cap can allow excess fluid to l...

micky

This is the one I had installed.
https://gemlux.com/collections/boat-vents/products/908

This is the one I just installed higher.
https://gemlux.com/collections/boat-vents/products/901

micky

I'm going to change the whole Racor 900 system and add water sensors to the new ones. Also inspect them after every trip.

micky

https://i.imgur.com/A0TEIDL.jpg https://i.imgur.com/0khVOO4.jpg https://i.imgur.com/39F5SR7.jpg https://i.imgur.com/4fvztwn.jpg https://i.imgur.com/7Lx5HEL.jpg https://i.imgur.com/7hiswig.jpg Here you can see the original vent (low) and the new one (high) https://i.imgur.com/p17VDea.jpg https://i.i...

micky

Bad news once again. Was going to the new marina this morning ans as I push the throttle, the same engine’s rpm started to go down and the engine died, I wasn’t able to get it restarted. Checked the racor and it was full of water up to the top lid (900). Drained it, flushed the lines and still would...

micky

I really don't know. Its a new tester so maybe the cap wasn't seated right?

micky

Went to check the gauge today and everything was perfect. Still at 15 psi so the cooling system is fine. I replaced the cap with another one (used) I had until I receive the new ones.

micky

If you dont top it off, will it continue to deplete? Or will it stabilize at that lower level ? No idea, I've been topping it off every time I see it off the "full" mark. Today I pressure tested the system at 15 psi for 2 hrs, it went down maybe .5 pound so pumped it back up to 15 psi and left it p...

micky

The engine is a 6hp so I'll remove it and launch the dinghy over the side and install the engine on the swim platform. The dinghy is only 77 pounds.

micky

Bought a new Highfield UL-260 dinghy and today I had the base for the front of the boat done.

micky

I have a small issue with the other engine. I keep coolant levels on the reservoirs exactly on the "full" mark. After using the boat both reservoir's level is over the "full" mark. Starboard engine goes back to the mark but port engine always is 3/4"-1" below the mark and I have to be topping it off...

micky

https://i.imgur.com/bPY1ay3.jpg https://i.imgur.com/whrClkQ.jpg https://i.imgur.com/7EtDtBw.jpg https://i.imgur.com/veajVw0.jpg https://i.imgur.com/dvKYM0C.jpg https://i.imgur.com/YtTFZ8L.jpg https://i.imgur.com/qJgTsNE.jpg https://i.imgur.com/uJUqh61.jpg https://i.imgur.com/BsrnSCd.jpg https://i.i...

micky

Cruising at 2800 is 15-16 knots, 3000 is 17 knots, 3200 is 19 knots, 3400 is 21 knots, 3600 is 23 knots and 3800 is 25-26 knots. I need to prop for 3950 but that will be done next year when I haul out. For now I'll enjoy the summer. Videos: https://imgur.com/gKoZLV3 https://imgur.com/2xHtFyX https:/...

micky

Since day 1 on the water the boat is a little tilted forward even with full fuel tanks because of the weight removed from the old engines and putting the generator in front of the engines instead of in between the transmissions. Water accumulated on the port side where the shore power is creating mo...

micky

That's they way I've thought about this as I've spent almost $5k, plus now $1,100 for the tachometers.

micky

Both exhaust leaks have been fixed.

micky

Decided to clean the other intercooler and turbo. The turbo wasn't as bad as the other one but the intercooler was waaaaaaaay worst. Opening the turbo had a little mishap as apparently someone had already opened it in the past and damaged the threads from one of the bolts so the lower part of the ho...

micky

No idea, I cleaned the other side today and it was worst. I do have exhaust leak on both, I tested them today with water and soap but I haven't run the engines enough for this buildup to happen. Maybe the PO had exhaust leaks and never cared for them.

Where can I order the sealant for exhaust leaks?

micky

GOOOOOOOOOD NEWS!!!!! The issue is the tachometer. Yesterday I switched them around and the issue moved to the other engine. I’m going to order 2 new tachometers. Will seatrial again and report back. If this is the issue, I need to prop down a bit as the yanmar tachs are reading 3800 so I’m 300 rpm...

micky

Installed everything back together on the engine, installed the boost gauge and changed the tachometers from port to starboard.

micky

Yes but this was sludge. I’ve heard of the method you mentioned but for turbo “maintenance”.

I just opened the intercooler once again and had it dipped in a 5 gallon bucket of gasoline. Oil came out of it. I will post the pics tonight.

micky

So this afternoon I posted the issue on boatdiesel. A guy contacted me and told me he has been having the same exact issue with his 2 engines. Hi found his intercooler completely sealed with oil gunk and had to replace the bundle and also he opened the intake side of the turbo and everything was cov...

micky

Port 3800 - Starboard 3200
https://imgur.com/1K2HxRh

Both at 3200
https://imgur.com/P5YHSAP

Both at 3000
https://imgur.com/0fgbJIe

micky

https://boatdiesel.com/Forums/index.cfm ... d_ID=74294

This guy suggested to look at the turbo's intake to see if its clogged up as he had the same issue and this was it.

https://boatdiesel.com/Forums/index.cfm?Thread_ID=74278

micky

No smoke and shafts spin free, props and shafts painted with propspeed last month. Both wheels bought brand new at the same time from general propeller. 20 x 20 x 4. Same exhaust setup and both engines turn 4200-4300 no load. I’m going to switch the tachs between engines tomorrow. I already have the...

micky

So did 3 seatrials today and the engine still wont go over 3200. 3200 and less it runs beautiful. The other engines goes to 3800. I did 2 adjustments to the injection pump with the huynfrom everglades diesel on the phone. We opened the fuel delivery screw 1/4 of a turn and that did nothing, also ope...

micky

I welded the hole and I'm waiting for the injectors so I can see if this was the issue. I also ordered the part and the old one will be a spare. I only pay $330 monthly at the marina. Its the cheapest marina on the island. What's really killing me is the loan I took to buy these engines, its almost ...

micky

This piece connects the pressure hose between the manifold, block where the boost gauge goes and the injection pump's aneroid.

See pics:

micky

I think I found the issue. A 1/8 hole in the line between the engine and the pump’s aneroid creating a pressure leak so the aneroid is not opening the pump for more fuel. I’ll post pics tonight.

micky

Last week: More bad news. Engine won't go over 1200 rpm. Called the guys at Everglades diesel (they did the pump) and we did some troubleshooting. Apparently now the issue is the injectors. I sent the injectors the day after. Today: Spoke today with Everglades diesel and the injectors are good. Only...

micky

Sent the pump to Everglades diesel in Ft. Lauderdale, when they called to tell me it was ready they said it was completely rusted on the inside. Pump has been installed for 3 weeks but I was waiting for 1 fuel line from the pump to the #4 injector, this line arrived today I was able to install it an...

micky

I sent it to Everglades diesel in Ft. Lauderdale.

micky

Here are 2 videos from Saturday: https://imgur.com/MX7VOqE https://imgur.com/npUwAAS But as you know, happiness isn't forever. I removed the stbd engine's injection pump to send it to be rebuilt. When I placed it on its side on my dock box, this is what drained from the inside. I suppose the brown s...

micky

I´m looking for a repair shop to send my Yanmar 6LPA-STP2 Denso injection pump. I´ve been trying to figure out why it doesn´t get full rpms. Today while replacing the aneroid I broke the shaft. Also saw on the diagram that the shaft uses 4 shims and it only has 3. My other engine has the 4 of them. ...

micky

Good news and bad news. The good news are that the intercooler issue fixed the temperature difference between the engines, there’s no more black smoke and now it reaches 3200 rpm at anytime. Bad news is that I’m still short in rpm. I opened the aneroid again and found diesel on top of the diaphragm ...

micky

Kept thinking and removed the intercooler. It had some salt residue and black soot, when I went to install it something didn't make sense so went to the other engine and removed the back endcap and then I realized that they had installed the bundle wrong on the troubled engine. They had aligned the ...

micky

Replaced the fuel, racor and engine filter and won’t go past 2000 unless I push the other engine which carries this one up to 2500 but it won’t go any more. Also tested it with the other tank in case the pickup was clogged but it did the same. Now also its starting to smoke black a bit. I’m really t...

micky

This wasn’t the issue. I drained around 100 gallons from this tank and will refuel tomorrow. I will do another test with the new fuel and will report back but I'm thinking it has something to do with the boost of the turbo, this engine got very wet with the PO.

micky

I will check this today. I found it last night and its exactly the symptoms I have.

micky

Engine sounds great and no smoke at any rpm.

micky

Filtering the diesel didn't do the trick of getting to 3800 rpms. Still getting 3300 on the stbd. engine. Mechanic was supposed to come today but never arrived and never answered his phone. The only thing to check but I need another person is the travel of the cable but with the boat running. With t...

micky

Had to replace the exhaust elbows. The ones that came with the engines were rusted so I scrapped those, I had installed the ones from the other engines but I noticed an exhaust leak when I ran the boat. That same day my lawyer sent me the receipts for the parts that the shady mechanic had sent and I...

micky

I was able to filter the fuel yesterday, almost 6 hrs replacing the racor every hour. Its not as clean as the other one but at least now you can see thru the bowl. https://i.imgur.com/vxlaz3D.jpg https://i.imgur.com/SDZhlQI.jpg https://i.imgur.com/7bs43GI.jpg https://i.imgur.com/WW0CskF.jpg https://...

micky

They are see thru.

micky

Good tank:

Bad tank: Look at the "Water line" on the filter.

micky

Micky, One of the basics is making sure the throttle arm on engine is hitting the stop on WOT. Second is remove feed line at racor and blow back thru tank. Don't remember if that 34 has two or a single pickup tube for diesel of a seperate tank all together. Third, check fuel smell, it may be clear ...

micky

Half the issue is solved. By replacing the racor the stbd engine went up to 3200 rpm. I didn’t change the engine filter as the diesel was clear there. Port engine reached 3800 without issues, even pulling the other engine at 3200. Topped 25 knots this way. Any suggestions?? I bought biobor and will ...

micky

Came back to the boat and changed the racors. The diesel on that engine’s tank is very dark and cloudy sondrained about 5 gallons from the bottom of the tank just in case it had water, the other tank is clear. Also checked the diesel on the engines fuel filter and both were clear.

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