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Old 03-27-2020, 10:42 AM
Ohio_Pawpaw_Grower Ohio_Pawpaw_Grower is offline
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Default Diesel Fuel Filtering

I was new to diesel when I got the BX2230 and then the X1120D.

I had to buy a couple of new fuel containers, yellow so that my lovely Mrs and the kids did not accidentally put the wrong fuel in the right tank.

When I get a new fuel can, I rinse it with water thoroughly and let it dry upside down in the sun. Once it is completely dry, I install the ezflow high volume spout and its vent. Once that is done, to insure nothing fell into the tank, I hit it with a little compressed air and inspect it.

OK, so both of these cans were then filled with diesel and I filled up my equipment. Now empty, I brought them home from the farm to re-fill them and noticed a considerable about of floating crud in the bottom of both cans. Remember, they went from the fuel station pump directly to the farm when they were used and never exposed to anything else.

My question for you folks who have more experience with diesel, does it usually have a lot of crud in it from the filling station? I noticed two large filters inline on the fill hose. Could crud be getting through those filters?

Appreciate anything insight on this.
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Old 03-27-2020, 11:50 AM
aurthuritis aurthuritis is offline
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just for shits and giggles i would try a different station and see if the results vary???
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Old 03-27-2020, 01:52 PM
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I tried filtering diesel through Mr Coffee paper filters and found it soon plugs up so nothing will pass. My next try was a cone shaped fine mesh gold plated coffee filter in its funnel-shaped coffee maker, the type where your pour hot water into the funnel. That worked ok.

I've also used HF's paper paint filters, the type you set in the top of a spray gun quart paint reservoir, that worked ok.

These measures are to prevent debris from plugging the fuel lines. The engine's filter should prevent abrasion wear in the injectors.

The owner's manual for my 40 year old Yanmar expects it should tolerate a huge amount of junk in the fuel, it says something like "if debris or water in the fuel exceeds (a tablespoon) per tank fill (5 .8 gallons) then expect to replace the fuel filter more frequently". That quantity of impurities must anticipate some place where fuel is delivered and stored in 55 gallon drums way up in the back country, in some remote country.
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Old 03-28-2020, 08:25 AM
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I remember that some members used to use a funnel called Mr Funnel or Filter. Something like that. If I remember correctly Two Guns loved his and thought it was great.
On our diesel tank, we have a Donaldson fuel filter that captures water as well. If just debris though one of the screened filters would work - we have condensation though so need the water capture filter.
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Old 03-28-2020, 12:12 PM
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Mr Funnel. As I recall these were first promoted for bush pilots to refuel at some remote site where fuel may have been stored long enough to have condensation, and maybe rust flakes and bacterial crud. Similar for boating.

Claimed to stop all water.
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Old 03-28-2020, 01:58 PM
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I too am a fan of Mr Funnel. My bulk diesel tank sits with stagnant fuel for pretty long periods. To avoid the need for filtering, I just don't use what's on the top or bottom of the tank. I use a "shaker hose" and pull fuel from the middle. When it gets low, I'll start filtering again figuring the last 10% or so has all the crap.
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Old 03-29-2020, 02:44 PM
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It sounds like crud in the fuel is something you have to live with when you use diesel. I thought maybe it was just my station. I will get this can cleaned out since it is empty and pick up one of those Mr. Funnels. Looks like you could run 5 gallons through one purdy quick. Thanks for the tips.
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Old 03-29-2020, 05:09 PM
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crud in fuel is not a normal thing in diesel fuel. it is common tor the spouts on cans to get cobwebs and stuff in them even hoses looped with the nozzle up and not capped will get rain and leaves and stuff in them. the smaller the container the more likely you are to get crud.
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Old 03-30-2020, 12:08 PM
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Quote:
Originally Posted by aurthuritis View Post
just for shits and giggles i would try a different station and see if the results vary???
How... eloquent.

How did that colorful remark contribute to your comment ...instead of your personal quality?
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