Excavator swing motor leak


  • What is the floating seal kit of travel final drive?
  • Mobile hydraulics troubleshooting, Pt. 2
  • Excavator Swing Motor Leak
  • Rotating Stage’s Hydraulic Motor Keeps Leaking
  • What is the floating seal kit of travel final drive?

    Final drive floating seal is a metal seal of the travel final drive , whose purpose is to maintain tightness of the hydromotor transmission part The seal kit of the travel gearbox usually consists of two metal seals and two o-rings.

    Occasionally, the second part of the seal is a brown ring or outer raceway of the bearing. The travel final drive seal is necessary to maintain the whole hub in a fit condition. Seal failure or hub damage will result in an oil leak. This, in consequence, will turn into serious damage to the individual gear elements of the travel gearbox.

    For many years, they have been the basic sealing system for the travel gearbox of tracked excavators. Floating seals are used in tracked vehicles where effective protection is required for the bearings of track rollers, hubs or wheel drive axles. The seal is to protect against the penetration of dust, sand, mud, stones, soil, etc. How detect the damage? The basis is to check if there are no large spills in the hub. They are visible when the machine is stoped.

    If there are none, the place where the gearbox assy and the hydromotor are connected, should be thoroughly cleaned. This is the first stage of damage. The travel final drive seal should also be replaced during any failure of the hub, because the filings arisened by gears or bearings damage can greatly accelerate the wear of the seals.

    The seal has two rubber O-rings, which, not only have a sealing function. They are also responsible for travel final drive amortazing, which prevents the occurrence of bias stress. In our offer you will find a very wide selection of such seals. When you ordering, it is very important to provide the seal dimensions — inside and outside diameter, and height. Very often seals differ from each other in millimeters, so precise specification is essential.

    Without this information, you will not be able to choose the right seal. What you can read next.

    If they malfunction, your whole operation will stop within seconds. That is why people choose a high-quality swing motor. Many industrialists face this problem quite often. One of the reasons behind the breakdown is the excavator swing motor leak. Sometimes, a swing motor leak directly causes malfunction. On the other hand, leak causes other problems which result in malfunction.

    In simple words, motor breakdown occurs indirectly or directly because of the leakage. Output pinion is the most commonplace for the leak. For large excavators, this is the place where the shaft fades up into the gearbox. Common Reasons Behind Excavator Swing Motors Leak Please do note that the below reasons are common reasons behind excavator swing motors leak.

    Below are the common reasons why this happens: Enormous Amount of Case Drain from The Motor In the swing motor , the rotating group is the most frequently used. It is the most hardworking component in the excavator. Over time, it can wear out. However, quality can increase the time but still, it will wear out. When the swing motor is in action, it creates a lot of heat which can create a problem of overheating. This overheating problem can increase the rate of wear.

    If the motor is operating at a sluggish rate that indicates the rotating group is wearing out. In addition, if you pulled the cab control lever yet your machine takes a long time to stop, that also indicates a rotating group wearing out. You need to transfer the case drain to the hydraulic tank with the help of the return line filter. This will result in a breach of the seal between the gearbox and motor and hence the motor leaking starts to begin.

    Solution If this happens, you need to replace the oil seals as well as the rotating group. At first, you need to replace the oil seals to avoid leaking. Output Bearing Failure There are many ways a bearing can fail for example through abuse, fatigue, etc. The most common reason for the failure is the lack of lubrication. To avoid it, we have collected three different ways through which you can lubricate the output bearing. They remain like this throughout the lifespan of the motor.

    You can use gear oil as a lubricant to avoid bearing failure. Bearing failure can cause misalignment of the shaft. This will allow the motor oil to leak from the output seal. In addition, if the leaking is too much then it can cause the swing motor breakdown as well. To avoid this, you must replace the oil seal as well as output bearing at the first sight. Seal Failure Last but not least, if none of the above are the reasons behind oil leaking then it might be the seal failure.

    If the usage of excavators is too much, this can lead to overheating. Overheating accelerates this process. These things will make the seal brittle and a time will come that it will allow oil to leak past. The motor leak might be one of the most common problems faced by many excavator owners, however, there are some things that excavator owners can do to avoid this problem. When there is a leak, that is for sure that the hydraulic oil level starts to decrease.

    Keep a record on that level. In case, if there is a big change in oil levels that indicates the swing motor leak. In a few cases, the condition of hydraulic oil can also cause this problem. Make sure you check the condition of hydraulic oil once a week. Lubrication of the output bearing at least once a week if your excavator using is high. Clean the oil cooler. What if the Swing Motor Started to Leak? If the swing motor starts to leak that means either you can replace it or get it repaired.

    Repairing depends on the condition of the leaking. In some cases, it can work but the best solution is to get it replaced. You might not need to change the whole swing motor, maybe, all you need is to replace a few parts. So, the question is from where to buy for a reasonable cost?

    Fortunately, you are standing in the right place. We supply almost everything, from swing drive assembly to swing drive parts. The unique part of us is pricing. Last but not least, we value your time and that is why we provide fast delivery and amazing communication.

    Send Your Inquiry Today.

    In simple words, motor breakdown occurs indirectly or directly because of the leakage. Output pinion is the most commonplace for the leak. For large excavators, this is the place where the shaft fades up into the gearbox. Common Reasons Behind Excavator Swing Motors Leak Please do note that the below reasons are common reasons behind excavator swing motors leak.

    Below are the common reasons why this happens: Enormous Amount of Case Drain from The Motor In the swing motorthe rotating group is the most frequently used. It is the most hardworking component in the excavator.

    Mobile hydraulics troubleshooting, Pt. 2

    Over time, it can wear out. However, quality can increase the time but still, it will wear out. When the swing motor is in action, it creates a lot of heat which can create a problem of overheating. This overheating problem can increase the rate of wear. If the motor is operating at a sluggish rate that indicates the rotating group is wearing out. In addition, if you pulled the cab control lever yet your machine takes a long time to stop, that also indicates a rotating group wearing out.

    You need to transfer the case drain to the hydraulic tank with the help of the return line filter. This will result in a breach of the seal between the gearbox and motor and hence the motor leaking starts to begin. Solution If this happens, you need to replace the oil seals as well as the rotating group.

    Excavator Swing Motor Leak

    At first, you need to replace the oil seals to avoid leaking. Output Bearing Failure There are many ways a bearing can fail for example through abuse, fatigue, etc. The most common reason for the failure is the lack of lubrication. To avoid it, we have collected three different ways through which you can lubricate the output bearing. They remain like this throughout the lifespan of the motor. You can use gear oil as a lubricant to avoid bearing failure.

    Bearing failure can cause misalignment of the shaft.

    Rotating Stage’s Hydraulic Motor Keeps Leaking

    This will allow the motor oil to leak from the output seal. In addition, if the leaking is too much then it can cause the swing motor breakdown as well. To avoid this, you must replace the oil seal as well as output bearing at the first sight. Seal Failure Last but not least, if none of the above are the reasons behind oil leaking then it might be the seal failure.

    If the usage of excavators is too much, this can lead to overheating. Floating seals are used in tracked vehicles where effective protection is required for the bearings of track rollers, hubs or wheel drive axles. The seal is to protect against the penetration of dust, sand, mud, stones, soil, etc. How detect the damage? The basis is to check if there are no large spills in the hub. They are visible when the machine is stoped.

    If there are none, the place where the gearbox assy and the hydromotor are connected, should be thoroughly cleaned. This is the first stage of damage. The travel final drive seal should also be replaced during any failure of the hub, because the filings arisened by gears or bearings damage can greatly accelerate the wear of the seals.

    The seal has two rubber O-rings, which, not only have a sealing function. They are also responsible for travel final drive amortazing, which prevents the occurrence of bias stress.


    thoughts on “Excavator swing motor leak

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