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Machines 2014, 2(1), 1-12; doi:10.3390/machines2010001
Article

Predictive Maintenance of Hydraulic Lifts through Lubricating Oil Analysis

Received: 4 November 2013; in revised form: 20 December 2013 / Accepted: 24 December 2013 / Published: 27 December 2013
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Abstract: This article examines the possibility of measuring lift maintenance through analysis of used hydraulic oil. Hydraulic oils have proved to be a reliable indicator for the maintenance performed on elevators. It has also been proved that the end users or the maintenance personnel do not always conform to the instructions of the elevators’ hydraulic machine manufacturer. Furthermore, by examining the proportion of the metals, an estimation of the corrosion and the wear resistance of the joined moving parts can be observed. Additionally, the presence of chlorine and calcium in hydraulic oils demonstrates their function in a highly corrosive environment.
Keywords: hydraulic oil; elevator; lift engine; metals; viscosity; total acid number hydraulic oil; elevator; lift engine; metals; viscosity; total acid number
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Kalligeros, S.S. Predictive Maintenance of Hydraulic Lifts through Lubricating Oil Analysis. Machines 2014, 2, 1-12.

AMA Style

Kalligeros SS. Predictive Maintenance of Hydraulic Lifts through Lubricating Oil Analysis. Machines. 2014; 2(1):1-12.

Chicago/Turabian Style

Kalligeros, Stamatios S. 2014. "Predictive Maintenance of Hydraulic Lifts through Lubricating Oil Analysis." Machines 2, no. 1: 1-12.

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