About | Contact Us | Privacy Policy Copyright2023. The Bobcat D24 and D34 injection pump for these engines is extremely sensitive to fuel contamination. The injectors will bleed rail pressure through the fuel return or could even have a nozzle stuck open (less common). JavaScript is disabled. Removal of this seal will void any warranty. . Or you may be experiencing some issues with your machine and need to test your injectors to determine if they are faulty. This product has a refundable core charge. On the other hand, if the harness has continuity, it's suggested to tighten up its plugs. Click on My NH repair etc. The fuel filter in the glass container after the hand pump is a steel cased filter a little like an oil filter. SPONSORED. Our technicians expect the update to take up to 24 hours due to the size of our files. If your filter gets clogged, the hydraulic fluid backs up into the motor which causes high pressure. When removing injectors, the o-rings can sometimes get stuck in the rail. If the injection pump is failing or has failed, the engine may not start or run but with low power. Please review the return policy for complete core refund details. To make things worse, many of the tires featured on some of the tractors models are typically flat. The banjo bolt (Item 1) [A] located on the injection pump may be dirty or plugged. One of the convenience features that people look forward to when buying heavy-duty equipment such as tractors is the availability of spare parts. 9. Each will need to be removed. The tractor tires do not last as long as expected. Ultimately, it enhances your site productivity. See our core policy by clicking return policy at the bottom of the page. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. Both the injectors and the injection pump are highly vulnerable to poor fuel quality, contamination, or foreign debris. bobcat 773 injection pump. This pipe seemed quite loose, so before attempting to start the engine, I cut a small piece off the end and used a new clamp. I have covered the possible solutions as well . Make sure to remove the cover before removing the injection fuel lines. 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. Please accept the core charge before adding to Cart. This did work when I ran it dry. Whether you need to clean the injector, take it to a dealer, or replace it, its a fairly simple process to remove a fuel injector from a Doosan Bobcat engine. 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. Fan belt is worn or faulty - Fan belt must be replaced. One quick check you can do with the Inlet metering valve (IMV) is to put your finger on the valve and turn the key on in the equipment. But it doesn't seem to be the cold, we can't run our machine with the snowblower even as warm as 30 degrees. I have covered the possible solutions as well - . Another necessary check is the leaks or poor fits in the hydraulic lines. 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. If the fuel rail loses pressure due to a clogged filter or other reasons . Return fuel passes through the fitting to return to the fuel tank. I might get 5 minutes out of it, sometimes a little more, 10-15min. And this can lead to a total shutdown of the tractor in some cases. Another common issue for drive motors is clogged case drain filters. There can be other parts or components involvement causing this shifting trouble too. This is especially true if the tractors are driven for long hours. We'd appreciate any help you can offer in spreading the word of our new site. Fuel odors inside and around the car. This process looks fairly similar for each fuel system so let's get started. You will need to remove each rubber cap. Many owners who live far away from major towns and cities cant easily access repairs for this frequent problem. Bobcat Doosan common rail fuel injection pump teardown and a look at how it works. 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. While this may work in a few cases, it is only a temporary solution and will ultimately lead to more problems. The hydraulic system can be the source of a lot of issues in your Bobcat t590 compact track loader. While operating, the engine seems very good, plenty of power, good idle etc. While researching and going through several online reviews, articles, blogs, and user forums to see how the consumers feel and react after owning the Bobcat 3400 UTV model, I discovered that most users are quite satisfied with their experiences. ALL NEW MEMBERS READ THIS FIRST!! Then raise the cab of the loader, locking it in place with the cab shock lock. Before you get started, please allow your engine to sit for an hour or so to cool off in the case that you were previously using it. Give us a call with your Bobcat equipment serial number. Purchase your parts from us today or reach out if you have any questions. 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. If you fail to do this, the filter can get clogged and defective resulting in contaminated fuel and faulty engine performance. The 7275454 Fuel Injector is a trim coded injector. Some bobcat 3400 owners have also complained about their encounters where the four-wheel-drive does not engage property even when the four-wheel-drive lights are on. 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. We get asked frequently about whether the inlet metering valve can be checked on the equipment. If they respond slowly, safety switches can be at fault. But the sad news is that he ends up replacing both clutches with new ones without figuring out the actual issue and the problem stayed as it was earlier. This means that the tires will still have a shorter lifespan if used on surfaces they are not designed for. If the problem is in the glow plug, it would need some professional inspection to diagnose the exact reason. Open the cap on your fuel tank. You will likely need to log in when the update is done so make sure you have that information available before we shut down. 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. Three years ago I was having a problem with 743B with the Kubota V1702 engine wanting to sputter, and die out on me. Below is a list of products and associated warranties: All Other Products: Warranted against defects of material/workmanship as shipped 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. And according to reports, this complaint was not only about the 2015 versions, but also included the 2018 versions. Things can even get worse if there is an extra occupant in the cab. 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. It then goes to the lift pump then to the injector pump. Unfortunately, some owners only succeed in causing more problems with the motor. Bobcat No Start, Troubleshooting Fuel System and Replacing A Fuel Injector in the Bobcat D24 engine HowIDidIt 13K subscribers Subscribe 34K views 1 year ago #bobcatrepair #bobcat #howididit. It is common to hear users inquiring about how to locate stores selling Bobcat tractor spare parts. Right now the post is the last one on page three if you want ot search that way. The joystick controls commonly breed some problems. Before you go off and get your injectors and pump repaired, i would check your valve clearance, then do a compression test. Does anyone know if Bobcat has started to use these fuel recirculation systems on the newer machines ? The problem can lie in any of these components or even all of them can become faulty. The appearance may be different than you're accustomed to but we will work on restoring things as closely as possible. ). And thats it! Regardless of these problems, Bobcat tractors are mostly reliable. This Max fuel stop screw just limits the maximum amount of fuel that can be delivered to the engine at max load condition. He even noticed notably low hours while having those issues. 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. And this is common with tractors that are used for lots of work. The reason for this is there is no great way of cleaning the fuel rail. Next, remove the hold down. Expert Diesel Parts was established in 2015 to serve the farming, agricultural and construction communities across the USA and globally. Poor Quality of the Bobcat Tractor Tires. You will need to remove the hold down clamp and the bolt. If the fuel rail loses pressure due to a clogged filter or other reasons, the engine wont get the fuel supply. One particular 2012 Bobcat UTV user mentioned that he was encountering all those earlier mentioned symptoms. Both pipes feed in at the top of the tank, so clearly the engine must be doing something to create a siphon affect. The engine doesn't have the same power as the Kubota and 2. Before you decide on any plan of action please read this article. Injectors are easy to remove/replace. for News, Products & Specials, Troubleshooting Bobcat Doosan D18 | D24 | D34 Fuel Systems. We work with a lot of Doosan's D18, D24 and D34 engines which are commonly used to power skid steer loaders, excavators, track loaders, tow compressors and toolcats. We get a lot of calls from our customers asking about the various components on the Bobcat common rail fuel injection systems. Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. With the things you've described, most likely failed lift pump. The more members that join, the bigger resource for all to enjoy. One particular 2011 version user has mentioned that initially, he loved riding the UTV and had no complaints at all. Engine issues, hydraulic pump issues, contaminated fuel all of these are the common problems. Remove the 3 clamps on the injector tube lines. While this is a good thing since it allows for a smoother ride, tires with too much air can reduce the tractors balance. 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. The injectors also have a rubber cap over it. The most common reason for failure we see in these injectors is fuel contamination. Heres a quick rundown of the major pros and cons. It may sit for several months without use. I have an older 543 Bobcat that I use occasionally around the house for landscaping and repair. The tractor tires do not last as long as expected. Hydro-lock, which can lead to catastrophic engine failure. I'm not sure what you mean by the 'elbow to the tank'. This means the product will ship, you will pay the core charge, and you will be refunded when Diesel Pro receives an acceptable core. You should get 400-450PSI on a good engine, i was told 300-350 is still acceptable for home use. The fuel systems on the Bobcat 1.8L & 2.4L Tier 4 diesel engines are high pressure common rail by Delphi. Experiencing similar fuel filter problems here in Massachusetts. https://spotifyanchor-web.app.link/e/jY1o8cQ3XwbAmazon Affiliate Links:Injector Leak Tester https://amzn.to/3oV4yJvMy cool orange gloves https://amzn.to/3oU0qtk#bobcatrepair #howididit #bobcat Hi folks. If there is an open or short circuit in the glow plug, it can cause the engine to be defective. I assume it must pressurize the tank so fuel can flow, or something, I'm not sure. High-pressure common rail fuel system is an advanced fuel injection design that regulates fuel pressure and injection timing. I have a 2015 bobcat t590, after warmup (about 15 minutes of work) the engine stalls, and then I get code e0005703. However, a faulty charge pump can also contribute to the final failure of the motor drive, although it starts on its own. This is just the tap off line, it does nothing but allow internal leakage from the injectors back to the tank. There are about 10 screws that go around the cover. Thats why the users are also happy with this track loader. On a side note, I have heard they have a new line that runs hot fuel to the front of the filter in the new Bobcat's, has anyone else heard if that's helping? Pinouts. After starting it ran well for about 15 minutes or so and then began to repeat the power loss symptom, I jumped out, opened the back door and fiddled with the rear pipe while the engine was running.the engine came good. These tires spread the weight of the tractor evenly over a large area to increase balance. Engine overload - Load reducing is recommended. I replaced the fuel water separator already. Apart from these two, make sure the engines throttle cable is secured to the throttle body all the wiring and connector pins are in good condition without any corrosion or damage. Joined: Dec 15, 2009 Messages: 20 Location: minnesota. The information here will help you make an educated buying decision if you are eyeing any of these tractors. For a better experience, please enable JavaScript in your browser before proceeding. You can maneuver it through tough terrain without thinking about overheating. With a scanner, you can monitor desired vs actual rail pressure to check and see if the engine has adequate rail pressure. Ok, sounds like your problem isn't a broken pickup tube inside the tank, and a faulty injection pump rack could be the problem. Clogged filters for the oil case drains also contribute to the failure of the motor. Fuel Rail: When the fuel system becomes contaminated with metal or other debris, chances are this debris will settle into the fuel rail. If your model has a belt-driven pump, maintain that the belts are not worn or loose. Make sure it is working as per the specs. If you are interested in having your pump tested, give us a call. Fuel contamination is the leading cause of failure, If you are experiencing rail pressure codes or problems, it is most likely an issue with your injection pump or injectors, Keep the fill area on your equipment clean and free of debris, Change the fuel filter regularly to keep your fuel as clean as possible, Excavators: E32, E35, E42, E45, E50, E55, E85, Skid Steer Loaders:S450, S510, S530, S550, S570, S590, S595, S630, S650, Track Loaders:T450, T550, T590, T595, T630, T650. Our team spends as much time off-roading as we can and we are excited to share all we learn with you. Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. Ideally, the charge pump releases the required pressure to the brakes and prevents a free fall drive. What I ment was sometimes people accidentally put in gas instead of diesel. It can happen when the ECU loses the connection or contact with the Transfer case actuator motor or the front different actuator. Driving the machine on areas that need plenty of balance will require a lot of effort. Again, if the hydraulic fuel filter is full of dirt or clogged, the loader wont get enough power. The goal here is to remove ONLY the fuel line that is attached to the injector that you absolutely need to remove. If they still dont respond, replace the joystick control circuit hoard. Diesel Pro has developed an 8-step testing procedure to electronically simulate the on-engine conditions on our test equipment. After that, check your primary clutch whether it sticks a little off the throttle and jerks back, which can cause penetrating clutch weights or wasted bushings. This compact track loader is exceptionally well designed and has impressive features. This includes the fuel rail, the injection lines, the fuel supply line, as well as the fuel return line. These pumps are very expensive and this might help. The bucket fails to tilt and lift when the pinouts on your loader's harness plug are not compatible with the bucket. Welcome to Off-Road Care. There may be several reasons why you might need to remove an injector. Replace the head gasket to solve this. Also, when your pressure gauge is turned faulty or damaged, it can give you the wrong reading. It can even lead to a total breakdown of the tractor. Refill the fuel tank with the right amount of diesel. It can happen when too much fuel gets injected into the combustion center. Sometimes, it can also happen when your fuel system and electrical wiring or terminals covers with an excessive volume of corrosion and external debris. It has the highest lifting height in the 500 series. Indeed, there are tons of positive reviews about Bobcat tractors, and these are mostly true. Rough Idle. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability.