About the Authors: Jim Olson is senior product engineer for Terex Utilities. He has a mechanical engineering background and has been working in design and engineering for aerial devices and digger derricks since 1986.
Craig Ries is a product safety engineer for Terex Utilities. He has a mechanical engineering background and has been working in design and engineering for aerial devices and digger derricks since 2005.
Insulating aerial devices and digger derricks are used to provide a level of protection to their operators and ground personnel who work around energized power lines. Following established safe work procedures is critical, as is testing and maintaining the equipment so that it continues to provide the insulation users expect. You cannot simply look at […]
Hydraulic oil, when confined within the hydraulic system and properly maintained, is nonconductive. However, failure of a hose creates numerous hazards that have the potential to harm personnel and damage equipment. Personnel may suffer burns from contact with hot oil. If the hydraulic line failure creates a mist of oil, it can easily be ignited […]
