YWZ4-500/E201 SERIES ELECTRO-HYDRAULIC DRUM BRAKES

It is sucked from the upper part of the piston to the lower part of the piston, forcing the piston, the push rod and the beam fixed on it to rise rapidly. Mechanical motion is generated by mechanically compressing the load spring (pusher or brake with load spring) through the lever.

When the power is cut off, the impeller stops rotating, and the piston drops rapidly under the action of load spring force and its own gravity, forcing the oil to flow back into the upper part of the piston. At this time, it still returns to its original position through the lever mechanism.

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