Evaluation instructions for the technical inspection of the tunnel escalator

The article deals with the relevance of considering the issue of quality technical inspection of tunnel escalators. It is also noted that the technique of technical inspection to date is not fully defined, there are no instructions required to evaluate the subsystems of escalators. The article provides information on the experience of developing such evaluation instructions for the escalator type ET-2. A possible form and a fragment of an existing instruction is also shown. Notes the need for further qualitative evaluation of the user for admission into the practical application.