Abstract
More often than not, designers must use off-the-shelf components in creating a new equipment design. This is especially true when components relate to maintenance. Because much of this type of hardware is hidden from view, or is not considered part of the operating interface, components related to maintenance often are not selected with proper attention to human engineering considerations, either by the designer or the human engineer. Experience has shown that although many human engineering specialists specify general maintenance criteria, they do not follow through in selection of individual components that may be purchased off the shelf. This paper discusses typical design problems and recommends that human engineers take steps to keep up to date on new products, so that they will be in a better position to recommend those products which are better human-engineered.
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