Maintworld 2/2018

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ASSET MANAGEMENT Consider one component at a time Are function(s) of component known? Yes No Determine function(s) of the Component The decision tree is a standard workflow. Each organization will need to create their own definition for the blocks associated with this decision tree. what you should stock or not stock, and its general in nature to cover a wide swath of industries. Rather, the point that we hope to make, and the message we hope to drive home is that you too should have a decision tree to guide you. A tree that is rooted in the fundamental nutrients we established in the paragraphs above. Solid thought guidance should be our legacy. No Determine function(s) of the asset Is component listed on an assets BOM? Yes Are Functions of the asset known? Yes Are component s function(s) critical to assets function? No Is component electronic? e.g. computer card, 4-20mA control device? No Is component a safety, health, or environmentally criticall item? No Is a PM/PdM conducted on the component? No Does component rotate and/or get greased? No Does an operator touch the component as part of their job? No Is component used more than once on an asset or on more than one asset? No No Yes Yes Yes Yes Does component belong on assets BOM? Yes Add component to the assets BOM Is component a candidate for Critical Spare Part consideration? Yes No Is lead time for component acceptable? Yes No Don't stock it Conduct Critical Spare Part review Does PM/PdM provide a warning greater than the components lead time? No Yes Yes Is loss of component s function(s) an acceptable risk Yes Is stocking the item fiscally sensible? Yes No No Critical Spare Part? Stock it Is there a stocked suitable substitute component for a temporary repair? No No No Yes Yes Don't stock it Critical or not critical A few pull-out conversations before you review the Stock, Don’t Stock Decision Tree. First, your organization must also have an unbiased method to determine if a part is critical or not critical. Some wrongly label items as critical to ‘ensure’ the item is stocked. There are many schools of thought on the meaning of a ‘critical spare part’, only one element is to provide insurance against the need for the part. For this particular discussion, it is only important that the reader have some calculus that helps to arrive at this determinant. The decision tree is a standard workflow. Each organization will need to create their own definition for the blocks associated with this decision tree. For example: Is lead-time for component acceptable? You will have to determine the availability of each item being considered. Information on lead-time usually resides in the Item Master Data for each component in the CMMS. It is very important that this information remain current and examined at least annually. Another example: Is stocking the item fiscally sensible? For this block, determine what your MRO storeroom inventory level should be. It was suggested earlier, that a target should be 1% of ERV. Whatever the value, in this particular block, the question is, “do we have capacity on our wagon for this item?” Finally, when it is determined that an item will not be stocked, one other consideration should be addressed. “Is this an item that should be established as an Order On Request (OOR) item?” Some items that do not meet the criteria to stock, might otherwise be set up as catalogued items. These are items whose information on the component is known, and the part has a part number, but the collective reasoning is that the item should not be physically stocked. Caution should be taken to ensure that only items that appear on an asset’s BOM are set up as OOR. Our Stock It, Don’t Stock It Decision Tree follows. Let’s have this discussion. 32 maintworld 2/<strong>2018</strong>
The Uptimization Experts. The Uptimization Experts. What does DOWNTIME mean to you? mean to you? marshallinstitute.com marshallinstitute.com marshallinstitute.com
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