Do not forget to check on your pressure gauges condition and replace it if needed. According to a group of Bobcat 3400 users, some of the previous models only shift gears when its off or when they rock the unit forward and backward. However, the good news is that according to reports, no actual fire explosions or injuries occurred. I believe it's the injectors, either need disassembled and cleaned or replaced all together. The reason for this is there is no great way of cleaning the fuel rail. SPONSORED. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. Right now the post is the last one on page three if you want ot search that way. If you replace the injection pump or injectors and do not replace the fuel rail, there is a chance the debris sitting in the rail from a previous failure will once again be introduced into the components which were just replaced and cause premature failure. We welcome you to register using the "Register" icon at the top of the page. If the fluid level is high or low, it wont be able to provide the expected performance. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability. However, just like any other top vehicle, Bobcat 3400 also has its downsides, which leads the customers or owners to experience some common troubleshooting issues. But after some time, he noticed that gradually it started to take a few revs above idle to get the clutches for shifting. This did work when I ran it dry. Check for any fuel leaks. Core Charge Required Clogged filters for the oil case drains also contribute to the failure of the motor. bobcat t590 air in the fuel system problem If you ever have an air leak in the fuel system you will need to prime the fuel system. It may sit for several months without use. A quick check you can do with the injection pump is to connect a scanner to the equipment and monitor desired vs actual rail pressure. It has the highest lifting height in the 500 series. If you are working in a dusty ambiance, the replacement should be more frequent. This procedure will lessen the chance of trapping air in the filter. In many cases, owners will spend time, effort, and money on repairing the motor, but the problem will persist. The first unit had issues at 2600 hours but was repaired under warranty from Bobcat but failed again at 3800 hours. Hopefully someone here might be able to help me in the right direction. The 7275454 Fuel Injector is a trim coded injector. I'm not a diesel mechanic by any means but I'm also not a moron so I don't see any reason why I can't figure it out with a little guidance. Youll get these error codes easily on the internet. In many cases, the tractor operator will have a tougher time getting full control of the machine, especially when maneuvering. If the fuel cannot flow properly from the tank to the fuel injector, the engine will lose its ability to run powerfully. One particular 2012 Bobcat UTV user mentioned that he was encountering all those earlier mentioned symptoms. This is most probably the only major issue that happened to the Bobcat 3400 series. Whenever we talk about any skid steer problem, this engine issue always comes first. Ultimately, it enhances your site productivity. However, mostly secondary clutch is the main suspect in this situation since it only stores the output shaft at the location where shifting would be almost impossible. Bobcat tractors rank among the highly-rated tractors in the market. There is a bleed screw that is on the pump where the fuel line connects. Find the one about timing the LS180 etc and click on the link to open the pdf file. Some also claim that after a further investigation, they found out they do not have a dirty or clogged fuel pump and still have this commotion on their vehicles. I replaced the fuel water separator already. Refill the fuel tank with the right amount of diesel. If your filter gets clogged, the hydraulic fluid backs up into the motor which causes high pressure. The next time it begins to stall, don't let it die completely, try pumping the primer bulb and see if it continues to run. Join Our Mailing List . Please accept the core charge before adding to Cart. Does it have a pickup filter of sorts? Still, many of the tires in some models cant resist hard, solid surfaces. One particular 2011 version user has mentioned that initially, he loved riding the UTV and had no complaints at all. Scloll down until you get to the skid loader section. Bobcat Doosan common rail fuel injection pump teardown and a look at how it works. The more members that join, the bigger resource for all to enjoy. Indeed, there are tons of positive reviews about Bobcat tractors, and these are mostly true. While this may work in a few cases, it is only a temporary solution and will ultimately lead to more problems. The bobcat t590 comes with a rear mount diesel-run engine. We have talked a lot about diesel fuel injectors in some of our other blogs, but today we are going to go over how to remove a diesel fuel injector from a Doosan Bobcat engine. Experiencing similar fuel filter problems here in Massachusetts. I have covered the possible solutions as well . You may also want to check to see if there was gasoline put into tank. If your compression is good, it would be worth getting your injection system done. Before you get into removing any other parts, grab a cloth or a towel and clean off any dirt, dust and particles that could potentially fall into your engine. Some tanks also have a filter in the bottom of the tank. The inlet metering valve is responsible for metering rail pressure on the Bobcat D24 and D34 diesel engine. But they are not without a few drawbacks. If you are new to forums we communicate with "Threads", please search our threads to see if your topic may have already been answered and if not then click "Post New Thread" in the appropriate forum. I have been on several different equipment forums and have seen people saying basically these two things. However, it is usually best to dig deeper to discover likely issues that may crop up if you choose to buy one of these tractors. Usually a bad or failing fuel injector will produce a few symptoms that can alert the driver of a potential issue 1. The brand also has good financing options for users who cant afford an outright payment. Also, check the entire fuel system thoroughly and clean up the fuel system and all electrical connections, if required. To bleed it, you open the bleed screw, squeeze the hand primer till you can feel that there all the bubbles are gone. Does anyone know if Bobcat has started to use these fuel recirculation systems on the newer machines ? These tires spread the weight of the tractor evenly over a large area to increase balance. After you've made a number of posts you will graduate to Full Member status where you'll see a few more privileges. The bucket fails to tilt and lift when the pinouts on your loader's harness plug are not compatible with the bucket. Most Bobcats of the late 90's vintage have the tank under the engine and the fuel line goes to a steel 90 degree fitting on top of the tank. Lack of eater or coolant can also cause this. Related Article:Are Bobcat Tractors Any Good? We get asked frequently about whether the inlet metering valve can be checked on the equipment. JavaScript is disabled. If you are interested in having your pump tested, give us a call. An introduction to the Detroit Diesel DD13 and DD15 Fuel System. I can restart the machine after waiting a couple hours. Hi folks. If you have water in the fuel you will be able to see it when it separates. When a technician sees the codes, they can identify the faulty circuits and know the main cause by further inspection. The fuel control valves in these injectors are very small and any amount of debris in the injector can get lodged in the control valve and cause problems. And when he pulled out the fuel pump to inspect further, he surprisingly found no leakage or any other issue on his fuel pump, and the pump also looked perfectly clean. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this guide on how to clean your injector at home. Also, the service light turning On can indicate the bad switch, sensor, or 4WD linkage. I discovered that if I squeezed the fuel primer ball every 15 seconds, the unit would stay running. Remove the 3 clamps on the injector tube lines. If you do not check this box, your product will not ship until Diesel Pro receives a qualifying core. Poor Emissions. Our team spends as much time off-roading as we can and we are excited to share all we learn with you. Start by grabbing an 8 millimeter socket wrench and remove each screw placed around the cover. This will cause problems if the tractor is driven in locations such as construction sites and other places that are prone to tire punctures. As a result, he was forced to shut down the engine and had to rock the engine in order to free the clutch so that the gear shifter can start shifting. While other tractor brands work to make stores available in many parts of the country, Bobcat still has a long way to go in addressing this challenge. Once loosened, remove the bolt and place it to the side. Its easier to remove the lines all together, you need to loosen them at the pump and access is hard putting them back on, i generally totally remove them. Discussion in 'Skid Steers' started by siedow0621, Dec 16, 2009. Bobcat, the North Dakota-based American company, is the world leader in the compact equipment industry and offers the highest quality utility vehicles that ensure superior toughness and reliability. In such situations, you can do a couple of things, such as adjusting the sheave width on your secondary CVT to get proper belt diversion, or you can simply replace the belt. And thats because a weak charge pump may disguise as a problem with the motor. My bobcat 743 is puffing some major black smoke when in heavy use. You should get 400-450PSI on a good engine, i was told 300-350 is still acceptable for home use. The fuel injection system is a major area of focus for advancement towards clean operating diesel engines. JavaScript is disabled. These fuel lines are bolted down pretty firmly and it can be easy to damage a fuel line or not properly seal it back. You may have to loosen the injector with help from a wrench. He also added that when it starts working again, the clutches grab hard, as if lurching the vehicle, and even on the low traction surfaces, it breaks the traction. In some cases, users have reported their not-so-pleasant experiences with the bearings. But sometimes you need to replace the whole system, which costs a lot. The switch or glow plug relay can need replacement too. I have covered the possible solutions as well - . So, lets learn about the 5 most common problems that one might experience with the Bobcat 3400 UTV-. Keep in mind that the pinouts are model-specific, so check the Bobcat loader's manual to determine the compatible pinouts. Regardless of whether you are cleaning or replacing the injector, we recommended using a new o-ring seal, just make sure you put lubricant when placing a new o-ring. All Other Products: Warranted against defects of material/workmanship as shipped Return fuel passes through the fitting to return to the fuel tank. Additional OEM Bobcat Part Numbers: 7275454REM, 7334032, 7030364, 7334032REM. Some owners have mentioned that besides all the amazing features, the Bobcat 3400 is not the best option when considering a vehicle for straight-line performance. This is especially the case with owners living in rural areas. There is a small hose that goes to number one injector tap off line. Today it started, ran for about 1 minute and died. Perhaps you are looking at doing some maintenance work on your parts in which you should also review this. Thank you for joining Heavy Equipment Forums! Once your injector is removed, be sure to check that the o-ring attached to the injector also came out. Here are a few tips to help you get your Bobcat equipment up and working the way it should be. If the fuel rail loses pressure due to a clogged filter or other reasons, the engine wont get the fuel supply. After checking the fuel filter, its time to check the fuel tank. Many owners who live far away from major towns and cities cant easily access repairs for this frequent problem. I lifted the canopy to get to things and see things better. So keep the skid steer under regular maintenance and enjoy long-time service from it! Replace the head gasket to solve this. Some users get frustrated after searching in vain, and simply decide to install a different brands spare part in their machines. You are using an out of date browser. 1. It can happen if you have not used your four-wheel drive for quite a long time. If the valve fails, the engine has no way of responding to commands to move rail pressure up or down.