Maintenance is crucial in prolonging the serviceability and life span of equipment. As manufacturing
facilities become more complex, it is often beyond the skills of an individual to perform a completely
satisfactory task. This paper presents a novel real-time equipment maintenance system incorporating
augmented reality (AR) for context-aware overlay of textual and graphical maintenance instructions on
the maintenance scene. The system provides an online communication interface for remote maintenance
between equipment experts/vendors and maintenance personnel. Service and maintenance knowledge
and experiences can be accumulated through authoring AR-based contents on-site. The proposed system
can improve maintenance workflow and enhance equipment serviceability.