System maintenance is multidisciplinary process with a large number of variable input parameter, among which the important place occupied by behavior of the system during its operation or its exploitation and structures underlying the effectiveness of system.
Behavior of the system is manifested in a simple but fundamental indicators and that the time at work and the time of failure in the function which the system readiness and reliability.
In this article, along with rezulteta research on a particular object, is shown in the correlation system - effectiveness of the system - maintenance, or the impact of maintenance as the primary logistics system effectiveness.