| 摘要 |
Apparatus for controlling the compaction of refuse in a refuse collection truck, and for controlling the operation of an ejection panel of the refuse collection truck, so as to provide for uniform compression of refuse in the truck. A hydraulic cylinder supports the ejection panel, and a combination sequence-relief valve is provided to vent hydraulic fluid from the cylinder when the fluid pressure output of the hydraulic pump exceeds a predetermined pressure and when the fluid pressure in the packing cylinder exceeds a selected pressure.
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