Hodnocení motorových olejů v provozu dopravního podniku

Abstract

The thesis deals with the evaluation and analysis of the current state of used lubricants of selected brands of buses, deployed in the normal operation of the carrier. Furthermore, the maintenance prescribed by the bus manufacturers is evaluated. The influence of CNG engines on the engine oil is also assessed. The last chapters of the diploma thesis are focused on the evaluation of taken samples of motor oils from two brands of buses during regular exchange of lubricant specified by the manufacturer. Within the annexes, the diploma thesis includes protocols from the measurement of taken samples of engine oil.