October 23, 2019, 8:49 pm

NEW ARTICLE: We Optimised our Preventive Maintenance without realising it

 It is sometimes interesting to reflect on our own exposure to maintenance when it is overlaid with current thinking and methodologies for best practice maintenance.

In the 1990’s, off highway dump trucks were serviced every 250 hours. This would involve bringing the truck into the workshop for about a shift. We would change the engine oil and carry out other OEM recommended tasks. On top of this we would have carried out a host of other inspections and checks. These would cover everything from hose inspections and electrical checks to our own bespoke checks that had been implemented over a period of time.

Fast forward to the current day and we service our trucks at 500 hour intervals. This has been facilitated by the extension of the oil change interval from 250 hours to 500 hours. So now, instead of the trucks coming into the workshop every 250 hours for a service and the associated inspection, they come in every 500 hours.

So, what has happened to all the inspections and maintenance tasks that were being carried out every 250 hours in the 1990’s? How have we saved a shift of downtime every 250 operating hours? Did we not need to be doing all those checks every 250 hours? In a crude sense, what most of us did was implement the results of a PMO study without realising it.

Read the full article.

 

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