To me it very well sounds like air, however all other things should be checked 1st, ie fault codes, etc. Sure would make it easier, auto parts stores never cease to surprise me at their inventory or next day access. These cones are so soft they must be pure Al so they probably don't work harden afer all.
The most common is excessive contamination from dirt, rust, or other debris in the fuel system. When I checked it today I was confused. This is an approved configuration per Detroit. This is often a problem with marine diesel when the boat is stored in a hot climate without treatment. Burst a double braided fuel line? I'm thinking here of, say, a viton O-ring larger than the orifice but smaller than the threads? If Pedco installed a new line with any hose that is clamped, the clamps or fittings may need tightened. It's not something I can do here, because I don't then have a way to prime the system to get the engine running. Davco filter--how quickly should it be getting dirty? - HDT. While the optional fuel pre-heater and overnight heater on the Fuel Pro 385/387/388 are to aid at start up, the 388 was designed unlike anything available today, using diesel fuel itself instead of engine coolant to provide additional heat during operation. Types of Fuel Filters.
The state-of-the-art facility sits adjacent to the existing DAVCO manufacturing facility and is expected to be fully operational this year. Any problems using this. I've double-checked the assembly visually, but see nothing obvious. For some reason, could you be limiting fuel flow in the injector system? Also check engine fuel pump because it has an excess pressure by pass, which if stuck somewhat open from a little dirt, could lower fuel pressure and volume. Im still fighting this issue Hino123... tell me this, if i fill the fuel processor with fuel and i high idle for a few minues... should it bubble and fuel level drop slowly drop?? No Fuel in my fuel filter. It is hard to follow your diagnosis steps and I am assuming by "processor "you mean fuel filter. I actually can't figure out how it runs like that. While this technology is not new to DAVCO – it was first introduced in the Fuel Pro 485/486/487 models in 2016 – this is the first time this technology will be available on Volvo Class 8 vehicles.
That will certainly be a quicker and easier thing to try than fiddling around with hose fittings to bypass it. The interval at which they need to be changed depends on the vehicle or equipment, but it is usually specified in the owner's manual or by the manufacturer. I think I have a bad mating between these. Possibly a check valve or something. The coach starts and runs normally. I'm not 100% sure it would come on a new filer assembly. Username: Ed_roelle. It's the easiest, most cost effective, and most visual way to go about it. Davco fuel filter not staying full on 1. If it starts and runs fine. Air bubbles rising to the surface of the fuel will indicate air being drawn into the fuel system on the suction side of the pump. Level will rise as the filter becomes contaminated.
Fuel held up in glass housing. First off, I want to reiterate that fixing the clogged orifice has taken care of most of my problem. While we strive to use commercially acceptable means to protect your Personal Information, we cannot guarantee its absolute security. I have a 380 and I find it's important to clean both O rings and the O ring groove when I change filters.... "It is not the critic who counts, not the man who points out how the strong man stumbled, or where the doer of deeds could have done better. Incorrect fuel filter – A fuel filter that isn't compatible with your vehicle may not handle the fuel's flow rate. Davco fuel filter not staying full on demand. At the end of the day the Fuel Pro does nothing whihc can not be more easily accomplished with less points of failure and this alone should set you thinking. For the engine to perform at optimum levels, it has to receive a steady amount of fuel from the tank. If its anything like the davco the fuel level only rises as the filter gets dirty. They looked perfectly fine from the outside. Tom Caffrey (Pvcces). I have seen cigarette buttts get sucked up In the fuel tube. On second thought, these things could be sold in auto parts stores, especially ones with truck parts or maybe one of the bus places might have them since your lines are pretty large.
So my fingers are crossed that our problems are behind us. At the moment I have no choice maybe. Davco fuel filter replacement. Immerse the end of the fuel line in the container. 1 gallon jerry can, so I was just barely able to get enough fuel back into the unit to prime the system without having to run out on the scooter for more diesel. The primary fuel line (suction) coming from the fuel tank will secure to this check valve (most times it's on the fuel tank side of bulkhead), pass thru a bulkhead connector, to another primary (suction) line, then to a primary fuel filter(in your case your FuelPro), then to suction side of fuel will NOT be able to blow air back to the tank if your bus has one in the location I mentioned. I never experienced this problem but you have to address it. Davco technical bulletin 3097 advises that these symptoms indicate a missing grommet below the filter, or a broken spring above it.
For just the part itself, fuel filters can range from $10-150. This it why I suggested the pressure and volume tests and also the bubble tests. Ed, Yes, I can prime that way. In that time, the fuel level in the Fuel Pro dropped about 1/4", which I think corresponds to the whole thing heating up and the air/vapor above the fuel expanding somewhat. Rather than a pinhole leak causing your filters to drain and stopping your bus, you have a site where you can see drops of fuel and repair the line at that point -- with the obvious differenc that your bus doesn't lose prime and stop on the side of the road. Truck fuel system sucking air - Trucks, Trailers, RV's & Toy Haulers. There is a liner in the braided stainless. When I noticed the loss of power here in Santa Fe, the fuel level in the bowl had, mysteriously, dropped below the level of the retaining collar. KALBRO we operates This page informs you of our policies regarding the collection, use and disclosure of Personal Information we receive from users of the Site. Dallas did a really good reply to this same question over on the other board, complete with scans of the manual pages for the restrictors, here: As far as the Davco, yes, Chris has given me something to think about, but I have no evidence whatsoever that it is having or causing any problems.
We use cookies to improve your experience on this website and so that ads you see online can be tailored to your online browsing interests. The problem started when the fuel filter element was replaced and I was told that they must not have tightened the thing down right again.... I just thought it was different than the davco and it was supposed to be full all the time. I recently maintained a diesel truck motor which had been neglected by the PO, I found that the oil filter was completely filled with what looked like tar as was the oil pan.... (Message edited by cgoodwin on August 12, 2007). You may also have a leak in the supply line. Gus, I think the obstruction occurred during the rebuild, even before I left PEDCO. Russ, what did the filters look like when you removed them? And there is no visible damage. It will provide interesting information and you will begin to notice a serious relationship between fuel temp and system vacuum after the filter, once you establish what is normal and what is plugged for your engine you can choose to install just a light and hobbs switch set to that vacuum. Regarding the burst fuel line, I wasn't suggesting that an electric fuel pump alone would do that. Jeffw Posted July 15, 2016 Report Share Posted July 15, 2016 Hi: I've got a Davco filter in our 2007 (780 D12). Sean, most buses with 2 strokes have the single check valve mounted on the engine bulkhead. Air Leak in DAVCO 382 Fuel Filter.
We reserve the right to update or change our Privacy Policy at any time and you should check this Privacy Policy periodically. If the Fuel Pro can. Various factors can damage a fuel filter. The Log Data section is for businesses that use analytics or tracking services in websites or apps, like Google Analytics. They called PEDCO when they found the trouble, and PEDCO immediately agreed to take care of it. They could also cause damage to the engine itself, such as clogged or scored pistons, cylinder walls and bearings. The electric pump can then be used to prime the system, fill new fuel filters, pressurize the system for testing, and, in a pinch, supply the engine with barely enough fuel to limp it to a suitable parking spot for repairs. You could have bypassed the entire filter housing in less than 5 minutes. To better diagnose a non-filling fuel filter, it's best to understand how the fuel system works. Our local dealership said it's supposed to run full. Even getting to that was a challenge -- the main supply was tightened down by a gorilla (actually, mechanic Vicente, who probably weighs 330), and to even get it loose, I had to oppose two wrenches, and use a turnbuckle as a come-along to bring them together. The Davco told me right away that I have a fuel supply problem, and, with conventional spin-ons, it might have been quite a bit longer before I came to that realization. INSTALLATION INSTRUCTIONS. A carefull watch of the upper filter while the engine is running, will often show the fine air bubbles (might not always be there) if you're sucking air.
"When the fuel level reaches the top of the filter, the filter element is now completely covered by. This combination water separator/fuel filter has a clear bowl with a visible cartridge filter media in it. So, is there any way I can bring the level up into the viewing area short of removing the cap and just adding some fule that way? And dispose of it in an environmentally responsible. However, I am looking for some fittings so that I can bypass it if this turns out not to be the case. Keep the ideas coming.... 06-16-2012, 03:17 PM. Restriction in the fuel tank – A restriction in the fuel tank can prevent fuel from entering the filter. If I gave you instructions on how to properly perform a valve adjustment would you actually follow them?
If your Davco filter is getting air either directly or through the primary filter and pump that would account for the low fuel level and good performance after you fill it. Oil filters ont he otehr hand have a bypass, if the oil is cold and thick or if the filter is plugged, the bypass opens and the oil goes right over the top of the filter and back into the engine.
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