This document discusses the development of an advanced functional maintenance management system for mining excavators. It proposes a systemic approach to functional maintenance that considers maintenance as an integrated function of mining processes and conditions. The approach aims to minimize maintenance costs and efficiently monitor technical constraints. It involves developing maintenance plans, condition monitoring systems, and an expert system using data mining and simulation modeling. The system also includes an economic analysis component to monitor maintenance expenditures and identify high-cost interventions. The goal is to establish strong correlations between mining production technologies and maintenance technologies for improved efficiency.