Abstract
Monitoring of oil fillings in internal combustion engines was focused on heavy military equipment (Tatra 815, Praga PV3S, BVP, BRDM) on which operation was stopped due to a malfunction. The equipment, which was handed over to the 3rd level military service, was also subjected to an oil sample. The tribodiagnostic analysis was focused on the basic chemical and physical properties of engine oil using the most modern devices (optical and FTIR analysys). The article provides not only information about the most fragile parameters of motor oils (AW Additive, TBN, kinematic viscosity) and their cause, but also a statistical overview of the current condition of motor oils on military equipment in the Armed Forces of the Slovak Republic for the year 2022.
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