Purpose -The purpose of the paper is to provide information on wear debris on oil and vibration analysis as predictive maintenance techniques in reducer. Design/methodology/approach -The estate of a reducer is verified by analyzing the vibration and oil conditions of a test rig under well-designed conditions utilizing some predictive variables. Findings -According to the vibration and oil analysis it is found out what it was happening into the reducer without disassembling it. Practical implications -This paper demonstrates the use of oil debris analysis and vibration analysis as a technique that enhances preventive maintenance practices. The paper helps practitioners to utilize these techniques more effectively. Originality/value -This paper gives information about two predictive maintenance techniques with a test rig.

Purpose -This paper aims to provide information on wear debris on oil and vibration analysis as predictive maintenance techniques. Design/methodology/approach -The estate of a reducer is verified by analyzing the vibration and oil conditions of a test rig under some variables. Findings -According to the vibration and oil analysis it was found what was happening in the reducer without disassembling it. Originality/value -This paper gives information about two predictive maintenance techniques with a test rig.

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