US Department of Agriculture, USDA Forest Service, Technology and Development Program Banner with Logos.
Images from various aspects of the T&D Program.
HomeAbout T&DT&D PubsT&D NewsProgram AreasHelpContact Us
  T&D > T&D Pubs > Library Card T&D Publications Header
Library Card

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, Missoula Technology and Development Center. 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

View HTML

E-mail this link.

These files are best for printing:

View 300 dpi PDF (1007 kb)

If you experience problems using the 300 dpi PDF file, use the lower resolution dpi PDF files if they are listed.

View PDF (248 kb)

(Help with PDF files)

Adobe "Get Acrobat Reader" icon Click the icon to download a free version of Adobe Acrobat Reader.