AMS Newsletter 06/2009
Seven Steps to Maintenance Heaven?
Step 5: Take a new look at PM’s(continued)
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Seven Steps to Maintenance Heaven?
Step 5: Take a new look at PM’s (continued)
Earlier we implied the linking of the RCM and CMMS databases. Clearly these are complementary in prompting a better understanding of failure and reliability. Contrary to common practice, the best output of an RCM analysis is not a row of dusty tomes on the top shelf of the engineering office; the best output of an RCM analysis should be an improved Work Order. And equally well, a very satisfactory output of a Work Order is an improved RCM record -- especially if it adds new knowledge or a new failure mode to the RCM analysis. By looking at the logical flow of activities, we can quickly see an immediate practical advantage of integrating CMMS and RCM thinking:
1. The Inspection prompts identification of measurable Potential Failures.
2. This leads to the preparation of a PM Work Order (or often, an immediate on the spot remedial or preventive action).
3. The PM tasks are specifically designed to prevent a Functional Failure. If we cannot tie the PM tasks to the prevention of a Functional Failure, then we must challenge the value of the PM.
4. Then (as noted in the previous section) take the Failure Mode from the RCM database and insert it in the Work Order.
5. Follow the steps in the previous section to update the RCM and the CMMS records.
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