Abstract
Presently public road mass transportation organisations maintain their vehicles using scheduled corrective maintenance which is carried out at the discretion of the organisation. Operating a corrective maintenance policy means that equipment are allowed to operate to failure and are only repaired or replaced when it fails. Corrective maintenance is generally recognised as an inefficient approach to maintaining equipment as the costs in terms of finance and time can be excessive. In many industries, from aerospace to oil production, a system of reliability centered maintenance (RCM) is utilised. RCM estimates when equipment failure can be expected to occur and ensures that maintenance is performed before it does. Using the RCM approach usually results in assets being more reliable, with low equipment failure rates within its mechanical systems. This often results in significant financial benefit to the organisation as operating equipment become more reliable allowing the vehicles to be in service for longer and achieving higher safety standards. This investigation has predicted that potential equipment failure could take place between the vehicle mileage of 6000 -12000 miles. Using the consecutive reading /sampling method together with a set oil spray diameter size alert value of 130 mm, it was possible to further narrow down the potential equipment failure to a vehicle mileage of 10000 miles.
Highlights
In recent times the public road mass transportation industry has faced challenging demands with respect to its environmental effects, emissions, reliability, safety and commercial competition
One potential option of addressing these challenges was the adoption of the reliability centered maintenance (RCM) approach
RCM was first developed in the airline industry in the late 1960s [4] to address concerns with the introduction of the wide body jets
Summary
In recent times the public road mass transportation industry has faced challenging demands with respect to its environmental effects, emissions, reliability, safety and commercial competition. In meeting these challenges its important that its workforce and equipment performed daily at its optimum level. RCM was first developed in the airline industry in the late 1960s [4] to address concerns with the introduction of the wide body jets. As maintenance cost started to increase sharply, the airline industry at that time started to become concern that it would be financially unfeasible to use conventional maintenance techniques to maintain aircrafts that were larger and more complex. As conventional maintenance techniques were interval based this further contributed to the increase in maintenance cost relative to the other operating cost
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