Assume your equipment is operated 300 workdays for 16 hours per day and with a known MTBF of 240 hours. Failure costs are estimated at $12,000 per failure.  A PM option would cost $750 per scheduled routine.  Could you justify the PM program if performing the PM routine every 100 hours reduces the number of failures by 50% ?   What are the net savings of adopting the PM program?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Assume your equipment is operated 300 workdays for 16 hours per day and with a known MTBF of 240 hours. Failure costs are estimated at $12,000 per failure.  A PM option would cost $750 per scheduled routine.  Could you justify the PM program if performing the PM routine every 100 hours reduces the number of failures by 50% ?  

What are the net savings of adopting the PM program?

 

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