How to deal with the rotation error system failure of small hydraulic excavator?

1. First, disassemble the two rotary release valves around the rotary motor to improve the characteristics of the valve body and seal ring.

2. Disassemble the rotating motor, the cylinder and the configuration disk can not find the original cutting condition, and the working gap is good. Ensure that the elasticity of the magazine is regular and does not break. The seal on the brake pressure plate is also intact.

3. Check the oil return path of the brake system You can see that there are colloidal particles in the oil return hole, and the hole is not fully blocked, so the oil return is slow, time-consuming and the brake component is already in operation. Therefore, when the sloshing motion terminates, the slip momentum (jitter Angle) becomes large.

4. After identifying the cause of the system failure, the engineer carried out the parts and paid great attention to the throttle holes and small oil circuits. When sufficient, assemble the components and test the car.

Small hydraulic excavator rotation error system fault solution is so, I hope to help you.

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