{Stus-List} Fuel Tank Removal/Cleaning

Altrice34 at comcast.net Altrice34 at comcast.net
Sun Feb 18 22:18:36 EST 2007


The mixing elbow on my 3HM35F will plug up about every 3 years so at 2 years I take it off and take it to my Yanmar shop and they sand blast the carbon out of it. I know it is plugged when water does not come out the exhaust.
Phil 

-------------- Original message -------------- 
From: Jim Watts <jimwatts at shaw.ca> 

> Thanks, Jonathan 
> 
> That particular issue had crossed my mind, too. There is still good water 
> flow out the back of the boat, but the motor has a thousand hours on it, 
> probably a lot of them at idle. So, I was intending on replacing the elbow, 
> just not right now. I have a new waterlift muffler and exhaust hose to the 
> engine on hand, which (of course) is a bit larger than the leaky stainless 
> one on the boat. So I have to move the raw water filter to the front of the 
> engine compartment to make room for it, and it was at this point that I was 
> going to install the new hose and muffler, and while I was at it, check and 
> maybe change the elbow. I'll just take it apart for now and have a look and 
> maybe do a manual cleanout. When I can use my right arm again, that is. I 
> got an extra year out of the elbow on Paradigm with a cleaning, and it would 
> allow me to schedule the replacement in to a more appropriate time. Getting 
> at that elbow is going to be a huge pain, I suspect. 
> While I'm down there mucking with the Racor, I'm also going to install a 
> fuel line squeeze bulb prior to the filter. Makes topping off the Racor 
> super-easy, no juggling filter bowls full of diesel or hours working the 
> manual lift pump. Worked like a charm on Paradigm. 
> 
> Jim Watts 
> Paradigm Shift 
> C&C 35 Mk III 
> 
> 
> 
> 
> ----- Original Message ----- 
> From: "Indigo" 
> To: 
> Sent: Sunday, February 18, 2007 6:32 AM 
> Subject: Re: {Stus-List} Fuel Tank Removal/Cleaning 
> 
> 
> > Jim, 
> > Another thing to check is your exhaust elbow. I had a similar issue a 
> couple 
> > of years ago - engine would cut out at 2000 rpm, then at even lower revs. 
> > Found that the elbow was almost completely blocked with black soot. A new 
> > elbow fixed the problem. (Found after I had a mechanic spend a few hours 
> > checking the fuel system!) 
> > 
> > Jonathan 
> > Indigo 
> > C&C 35Mk III 
> > ----- Original Message ----- 
> > From: "Jim Watts" 
> > To: 
> > Sent: Saturday, February 17, 2007 11:34 AM 
> > Subject: Re: {Stus-List} Fuel Tank Removal/Cleaning 
> > 
> > 
> > > This is very timely. Yesterday, while motoring back to the marina after 
> > > the 
> > > wind went away and the rain started, the engine started faltering at 
> > > higher 
> > > revs. We ended up with 2000 RPM as the max we could do without the motor 
> > > stuttering. I was guessing a partially blocked Racor, but the pickup 
> > > screen 
> > > would be another thing to check. Thanks. 
> > > (I'll get at that job as soon as my pinched nerve eases up a bit. Got 
> that 
> > > trying to fill the ATF reservoir for the Norscot shaft seal, and now my 
> > > right arm hurts like hell and the fingers are numb. Attempting to 
> service 
> > > the Racor in an even more inaccessable position just isn't in the cards 
> > > for 
> > > this weekend). 
> > > I guess a tank removal and cleaning is inevitable this year. Rats. I see 
> > > the 
> > > job list piling up again... 
> > > 
> > > Jim Watts 
> > > Paradigm Shift 
> > > C&C 35 Mk III 
> > > 
> 
> 
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