Hebei Hankai 17x30x7 oil seal
2. Remove the Boom Cylinder Start by detaching the boom cylinder from the excavator. This typically involves removing the pins and bolts that secure the cylinder to the boom and the attachment points. Use a hydraulic jack to support the cylinder as you loosen the connections.
excavator boom cylinder seal replacement



3, mineral fiber ceiling as a Sound Absorption Ceilling Board with mineral fiber as the main raw material, and mineral fiber micro-pores developed, reduce sound wave reflection, eliminate echo, and isolate the noise transmitted by the floor. The sound wave hits the surface of the material, and is partially reflected back, partially absorbed by the plate, and a part passes through the plate into the rear cavity, which greatly reduces the reflected sound, effectively controls and adjusts the indoor reverberation time, and reduces noise.