A: The track drives or boom cylinders slowly drifting when levers are centered, erratic control valve shifting response, or external fluid dripping onto the undercarriage frame ring assembly.
A: Workshop mechanics must thoroughly check the metal block faces for razor burrs using fine emery cloth, and dip the new seals in fresh, warm hydraulic oil before torquing the section blocks together.
A: Yes, it is precision-packaged according to original technical drawings to fit the specific fluid circuit layout of this machinery size class, giving warehouse managers excellent parts matching certainty.
A: The polyurethane compounds undergo advanced cold-flex temperature treatment during manufacturing, allowing the rings to keep high flexibility down to -35°C and stop dry startup leaks.






















