Bobcat 3400 UTV model is a formidable competitor, which comes with a continuously variable transmission or CVT for dealing with the toughest jobs, where other UTVs cannot even attempt to perform. At one time, the engine completely refused to start, even the next day. Because the pinhole leaks are apparent when the systems fluid is under pressure. We can test them, 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. This process looks fairly similar for each fuel system so let's get started. The Bobcat 3400 UTV model is no exception ensuring the perfect balance of power, quality, performance, and reliability. So wear gloves and safety goggles while performing this check. Sometimes I can coax it back into life with plenty of cranking and gradually raising the revs, but the result is always short lived. Posted on Published: November 19, 2021- Last updated: January 13, 2023, 5 Most Common Problems with Kawasaki Mule 4010, 6 Most Common Problems with Kymco UXV 450I, Your email address will not be published. Fuel system can't keep up with the demand and constantly needs fuel filters to get through a storm. However, just like other machines, you can face some problems with this one also. Thank you! Regardless of these problems, Bobcat tractors are mostly reliable. First, you will need to loosen the bolt. If the problem is in the glow plug, it would need some professional inspection to diagnose the exact reason. The goal here is to remove ONLY the fuel line that is attached to the injector that you absolutely need to remove. This procedure will lessen the chance of trapping air in the filter. Poor Emissions. The bobcat cranes are best known for heavy-duty operations. Engine oil level is insufficient - Check and refill engine oil. Bobcat equipment software has a test to check the injectors to see if the respond to a signal. This is especially the case with owners living in rural areas. Some users who drive the Bobcat tractors on concrete, asphalt, and other types of hard surfaces discover a common problem. If the fuel cannot flow properly from the tank to the fuel injector, the engine will lose its ability to run powerfully. Type above and press Enter to search. Unfortunately, being able to access readily available spare parts for many Bobcat tractors can be quite challenging. The previous owner just told me to start it with the air bleed screw open and gradually close it as the engine clears. For a better experience, please enable JavaScript in your browser before proceeding. Purchase your parts from us today or reach out if you have any questions. Give us a call with your Bobcat equipment serial number. JavaScript is disabled. Your email address will not be published. I used the hand pump to feed fuel into the glass bowl. 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, when your pressure gauge is turned faulty or damaged, it can give you the wrong reading. Heres a link to our Bobcat troubleshooting article: Bobcat Troubleshooting, Warranty by product type. Open the cap on your fuel tank. Before you go off and get your injectors and pump repaired, i would check your valve clearance, then do a compression test. Fan belt is worn or faulty - Fan belt must be replaced. We get asked frequently about whether the inlet metering valve can be checked on the equipment. Right now the post is the last one on page three if you want ot search that way. Required fields are marked *. Next, remove the hold down. If you fail to do this, the filter can get clogged and defective resulting in contaminated fuel and faulty engine performance. It appears to be a gravity fed system somehow. 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. This component tends to develop fault rather too frequently in some Bobcat tractors. If you have any problems getting back online contact me through Facebook Messenger on the Facebook HEF page. This isnt the case with faulty charge pumps. 12K views 1 year ago #bobcatrepair #bobcat #howididit Bobcat Doosan common rail fuel injection pump teardown and a look at how it works. If you do have any questions about anything related to removing an injector or about our. My question is: should the ball pump up firm? Please review the return policy for complete core refund details. First raise the lift arms of the machine and install an approved lift arm support device. Refill the fuel tank with the right amount of diesel. This also causes the hydraulic fluid and gear oil to mix which can cause additional problems. Questions about fit? There is a bleed screw that is on the pump where the fuel line connects. This is most probably the only major issue that happened to the Bobcat 3400 series. There can be other parts or components involvement causing this shifting trouble too. Excessive battery drain can also cause this problem. You might have to further loosen it up by moving the injector to remove the hold down bolt. 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. Each unit had issues at the 3000 to 4000 hour mark and were extremely hard on fuel filters (sometimes 2-3 between 250 hours). For a better experience, please enable JavaScript in your browser before proceeding. Although I have already mentioned earlier belt and clutch can cause issues while explaining the other problems, several users have confirmed to encounter real trouble with the 2011 Bobcat 3400 because of the drive belt. Engine runs for a while then slows, loses power and quits. If your filter gets clogged, the hydraulic fluid backs up into the motor which causes high pressure. My bobcat 743 is puffing some major black smoke when in heavy use. This compact track loader is exceptionally well designed and has impressive features. Despite all these features, Bobcat 3400 still has some technical downsides because of which consumers can encounter some common issues while riding this. Joined: Dec 15, 2009 Messages: 20 Location: minnesota. 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. I might get 5 minutes out of it, sometimes a little more, 10-15min. Many people find the machines practical and functional considering their multi-purpose design. Increased Fuel Consumption. JavaScript is disabled. And according to reports, this complaint was not only about the 2015 versions, but also included the 2018 versions. And this is common with tractors that are used for lots of work. It is common to hear users inquiring about how to locate stores selling Bobcat tractor spare parts. The first post is a list of all the repair posts in that thread. If there is an open or short circuit in the glow plug, it can cause the engine to be defective. Common Problems of the Bobcat 3400: 1. 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. A common issue with the Bobcat tractors is the charge pump or leaking brake seal. To bleed it, you open the bleed screw, squeeze the hand primer till you can feel that there all the bubbles are gone. So, lets learn about the 5 most common problems that one might experience with the Bobcat 3400 UTV-. Once all screws are off, remove the cover. If the 743B used the same engine as the 743 there should be a lift pump mounted on the side of the injection pump housing. One particular 2011 version user has mentioned that initially, he loved riding the UTV and had no complaints at all. Core Charge Required Fuel Rail: When the fuel system becomes contaminated with metal or other debris, chances are this debris will settle into the fuel rail. 5 Most Common Problems with Tracker 800SX, 6 Most Common Problems with Can-Am Maverick Sport, 5 Most Common Problems with Polaris Ranger 66. 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. Restore performance to your Doosan Bobcat D18 and D24 Tier 4 diesel engine with the brand new 7275454 Delphi fuel injector. Heavy Equipment Forums is scheduled to go offline at 6:30am Eastern Sunday March 5th for an extensive software update. Read on to learn more about the common problems of these otherwise great tractors. It then goes to the lift pump then to the injector pump. The switch or glow plug relay can need replacement too. How to troubleshoot a fuel injector and how to change a fuel injectorContact us for questions or concerns atwww.4tetradgroup.comTo schedule a consultation: https://www.4tetradgroup.com/consultationshttps://www.4tetradgroup.comhttps://www.tetradcycles.comhttps://www.instagram.com/tetradgroupllc/https://www.instagram.com/tetradcyclesCheck out our new podcast where we discuss Bobcat and other compact construction equipment. Select Common Rail Injectors: 24 Months, Unlimited Miles/Hours Have someone turn the key on with the engine off and press the accelerator pedal all the way to the floor and hold it there for about 10 seconds. Big snow chains on front tires only: is there slip between front and back wheels to allow for the now larger dia front tire. And this can lead to a total shutdown of the tractor in some cases. If the fuel rail loses pressure due to a clogged filter or other reasons . Whenever we talk about any skid steer problem, this engine issue always comes first. Heres a quick rundown of the major pros and cons. Is there anything on the end of the fuel line in the tank? Do not forget to check on your pressure gauges condition and replace it if needed. Today it started, ran for about 1 minute and died. In some cases, the charge pump can become weak. Refer back to the injector hold down clamp. The problem has come back, I have checked the fuel lines, the fuel pickup tube in the fuel tank, replaced the fuel . Discussion in 'Skid Steers' started by warbird, Feb 18, 2015. Another possible reason behind this shifting trouble can be the belt when you do not have an OEM belt. Ideally, the charge pump releases the required pressure to the brakes and prevents a free fall drive. Repair them if there are any. The Fuel injectors for the Bobcat Doosan D24 and D34 engines are high pressure common rail by Delphi. If the engine cranks but doesnt start, either the fuel system or the glow plugs are at fault most of the time. The injectors will bleed rail pressure through the fuel return or could even have a nozzle stuck open (less common). I was stuck out in the open with a pile of logs in the bucket. One of the convenience features that people look forward to when buying heavy-duty equipment such as tractors is the availability of spare parts. Tires from the factory are fitted to accommodate lots of air. Both pipes feed in at the top of the tank, so clearly the engine must be doing something to create a siphon affect. 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? Turbochargers: 12 Months, Unlimited Miles/Hours The first unit had issues at 2600 hours but was repaired under warranty from Bobcat but failed again at 3800 hours.
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