Josh, thank you for all your detailed responses! Bruce
Please forgive any typos as this was sent from my iPhone. > On Jan 31, 2017, at 4:31 AM, Josh Muckley via CnC-List > <cnc-list@cnc-list.com> wrote: > > To get access to the tank you have to remove a few wood screws and then the > bottom half of the aft cabin bed will lift off. The tank is anchord below. > > I've never had a need to do it but from what I can tell there is no access > port in the tank. There should be 5 penetrations. A vent hose, a fill hose, > a pickup hose, a fuel return hose, and a 5 screw flange for a level sender > (~2" diameter). > > I don't know exactly what the internal construction looks like but, while > poking around for my level sender I have hit an obstruction which I can only > assume to be a baffle. This particular baffle is a little starboard of > centerline and runs fore and aft. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > >> On Mon, Jan 30, 2017, 11:43 PM Bruce Whitmore via CnC-List >> <cnc-list@cnc-list.com> wrote: >> Three responding questions... >> >> Does anyone know how easy or difficult it might be to get the tank out of a >> 37/40+? >> >> Is there an access port? >> >> Is the tank baffled? >> >> Bruce >> >> Please forgive any typos as this was sent from my iPhone. >> >>> On Jan 30, 2017, at 10:44 PM, Dennis C. via CnC-List >>> <cnc-list@cnc-list.com> wrote: >>> >>> As I recall, most marine diesels recirculate 5-7 times consumption. Even >>> at 1 gph usage that's not much flow back to the tank. Not nearly enough to >>> agitate the tank. >>> >>> A buddy of mine tried to motor his boat to the Gulf Coast in some rough >>> seas. Had to return due to blinding fuel elements. The local yard did a >>> recirculate and clean on his tank. Next day he tried again in rough seas >>> with the same result. >>> >>> If the "pro" doesn't have the right equipment, knowledge and technique, >>> you're wasting time and money. >>> >>> FYI, Touche' had been idle for 10+ years when I bought it. When I dug into >>> the fuel system, I didn't just yank the tank and clean it, I REPLACED it >>> with a new one. After repowering with a diesel, Touche' now has an Algae-X >>> and a vacuum gauge on the Racor 500. Fuel issues are one thing I never >>> worry about. >>> >>> Dennis C. >>> >>> On Jan 30, 2017 7:39 PM, "Josh Muckley via CnC-List" >>> <cnc-list@cnc-list.com> wrote: >>> Dennis, >>> >>> I've watched for return flow from the injectors and been quite >>> disappointed. Hardly any and certainly not enough to suggest that it is >>> "recirculating" the tank. >>> >>> I hear what you're saying regarding the agitation not being sufficient. >>> Its always a question in my mind of just how bad is it in there? Is >>> nothing coming out cause its clean or cause its stuck? >>> >>> Josh Muckley >>> S/V Sea Hawk >>> 1989 C&C 37+ >>> Solomons, MD >>> >>> On Jan 30, 2017 9:28 PM, "Dennis C. via CnC-List" <cnc-list@cnc-list.com> >>> wrote: >>> I have little faith in recirculating fuel to clean it. IMHO, if it is not >>> strongly agitated, sediments will remain in the corners of the tank. The >>> first encounter with rough seas and you will blind your fuel filter quickly. >>> >>> The best solution is to either remove the tank and clean it. Second best >>> is to drainit, install a fuel compatible access port in the top and clean >>> it manually. Third, have a professional clean it with a high velocity wand >>> inserted through the fuel sensor port. >>> >>> If you can't do any of those and choose to recirculate it using the engine, >>> install an Algae-X unit ahead of the fuel filter. >>> >>> http://www.diesel-fuels.com/algae-x/magnetic-fuel-conditioning.php >>> >>> Install a vacuum gauge downstream of your fuel filter to give you warning >>> when the element is beginning to blind. If you have a Racor 500, get the >>> vacuum gauge that replaces the T-handle. >>> >>> Carry lots of spare fuel filter elements. >>> >>> Dennis C. >>> Touche' 35-1 #83 >>> Mandeville, LA >>> >>> On Jan 30, 2017 6:30 PM, "Bruce Whitmore via CnC-List" >>> <cnc-list@cnc-list.com> wrote: >>> Out of an abundance of caution, given that the boat I am buying has been >>> started, but not substantially run (other than for our survey) for about 5 >>> years, I would like to be extra-cautious about potential fuel tank >>> contamination. >>> >>> I think that the tank is about half-full. At the suggestion of one of our >>> contributors here, I will patch in a 12v. pump and recirculate the fuel >>> through my Racor filter for a number of hours in an attempt to polish the >>> fuel. >>> >>> That said, do you think I am better off trying to burn off the old fuel as >>> much as possible before putting in new (if of course the engine appears to >>> be running well), or dillute the old stuff with new? >>> >>> Finally, does anyone here have experience with Starbrite Star Tron Fuel >>> Tank Cleaner? While its NOT cheap, I'd rather start off with as clean a >>> fuel system as possible. The reviews seem to be good (and Practical Sailor >>> rated their biocide highly), but I don't believe everything I read on the >>> 'net... :) >>> >>> Thanks in advance! >>> >>> Bruce Whitmore >>> >>> (847) 404-5092 (mobile) >>> bwhitm...@sbcglobal.net >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >>> >>> >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >>> >>> >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you wish >> to make a contribution to offset our costs, please go to: >> https://www.paypal.me/stumurray >> >> All Contributions are greatly appreciated! > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!