Jasumback, Anthony E.. 1997. Maintaining Constant Pressure on a Compaction Roller During Road Grading. 9771 2335. Missoula, MT: U.S. Department of Agriculture, Forest Service, National Technology and Development Program. 4 p.

The Missoula Technology and Development Center has developed a hydraulic circuit for a motorized grader that will provide a constant, preset pressure on a compaction roller attached to the grader, regardless of the severity of the road's vertical curves. This document details the development of the circuit and provides a hydraulic schematics and materials lists.

Keywords: hydraulics, motorized graders

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