hydraulic motor repair

Today, let me talk about how to deal with the leakage of hydraulic motor. Many times, the leak can be repaired by yourself. Through simple maintenance, you can save money and do not need to replace the new hydraulic motor.

The reasons for hydraulic motor oil leakage can be divided into the following points:



(1) Oil leakage at the shaft end: Due to the frictional state of the oil seal and the output shaft during the daily use of the hydraulic motor, the oil seal and the shaft contact surface will inevitably wear out. If the oil seal exceeds a certain limit, the oil seal will lose the sealing effect, resulting in Oil spill. This is also one of the most common causes of leakage. Solution: The oil seal needs to be replaced. If the output shaft is worn out, the output shaft must be replaced at the same time. (The hydraulic motor parts of different manufacturers are not necessarily universal, so be sure to consult clearly when purchasing, otherwise the size will not be solved, it will not solve the problem)



(2) Oil leakage at the cover: The “O” ring under the cover is crushed or aged and loses the sealing effect. The probability of this happening is very low. If it happens, just replace the “O” ring.



(3) Hydraulic motor pinch oil leakage: the aging or crushing of the “O” ring between the hydraulic motor housing and the front side plate, or the front side plate and the stator body, or between the stator body and the rear side plate, If this happens, just replace the "O" ring. At the same time, it is necessary to check whether the system pressure exceeds the rated pressure of the hydraulic motor, because the hydraulic motor will cause this problem when it is overpressured for a long time.



When you encounter oil leakage from the hydraulic motor, look for the "hydraulic motor leakage cause" that I introduced above to find out the cause of the hydraulic motor oil leakage, and it should be handled.

We are hydraulic manufacturer from China, brand name 'HANJIU'.
Hydraulic orbit motors & hydraulic steering unit are our core products.


At present, most popular Brands in Hydraulics are Danfoss, Char Lynn, M+S, HANJIU, each with its own merits, however
the reason why more and more clients choose HANJIU is because it  has obvious advantages over other brands in terms of delivery, service, quality and profit rate.

www.hjhydraulic.com  is our company website.


Looking forward to more communications with your company in the hydraulic industry, thanks.

Kind regards,
HAN
Should you have further questions, pls feel free to contact me
Shijiazhuang Hanjiu Technology Co.,Ltd
Director hanhan // E-mail: manager@sjzhjsm.com // Skype: Simon-Hanjiu Hydraulics // WhatsApp: +8618903213886 // Website: http://www.hjhydraulic.com

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