Fletcher hydraulic valve locking system for underground mining machines discourages improper adjustment

Hydraulic systems that operate underground equipment can be vulnerable to improper adjustments that make them less efficient, more prone to component failure, and in the drill feed and rotation circuits, downright hazardous, resulting in broken, bent or whipping steel. Air quality issues can also arise when drill steels become clogged, hampering dust collection. J. H. Fletcher & Co is doing something to prevent those problems.