Originally Posted By: sprkplug

Yes. Anything mechanical with one or more moving parts will break down.

My Tier 3 to Tier 4 experience is Maintenance cost increased by over 19% & operation productivity decreased by 24%.

BTW reality is Inflation accounted for a few percent of maintenance cost. Most of the operation productivity decline comes due to more down time.

Last edited by Tums; 02/22/17 04:04 PM.