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Basic Principles of RCM
  • Last Updated : 10 Nov, 2020

Reliability Centered Maintenance (RCM) is a method that is being designed to simply preserve functions of system. It is generally considered to be one of best methods to develop or establish a maintenance improvement program simply to ensure design reliability for an asset (equipment, process, piece of equipment, etc.). One should start RCM with asset that is most critical one and may cause biggest problem if it gets failed or breaks down. It is time taking process but it simply helps one to effectively operate in terms of availability of production, other factors that are related to overall cost, etc.

RCM Principles :
There are several Principles of RCM as given below :

  1. Function-Oriented :
    RCM is a function-oriented program i.e. focusing attention on function of system or equipment. RCM simply analyses and evaluate functions and possible failures for selected asset. Rather than focusing on preserving asset, these analyzing helps one to focus on preserving system functions.

  2. System Focused :
    RCM is system-focused program i.e. it does not only focus on individual assets but rather focuses on overall system. RCM’s main aim is to preserve overall system from failures that are most critical. By focusing on system, RCM maintains functionality of each part of system that will help in increase in production and customer satisfaction.



  3. Reliability Centered :
    RCM is reliability centered. RCM’s main target is to maintain system reliability i.e. to make it perform well consistently without any interruption and failure. It simply identifies assets of systems that are most critical and then focuses on their maintenance strategies to reduce system failure. This will help in increase of systems or assets reliability as well as their availability.

  4. Acknowledge Design Limitations :
    RCM generally acknowledges and recognizes design limitations of system. It is better for one to identify and acknowledge design limitations than to have them pointed out by someone else which will decrease quality because it seems like one appears to have ignored it. No matter how good maintenance is, one cannot cover and overcome poor design of system.

  5. Safety, Security and Economics :
    RCM is generally driven by safety, security, and economics. RCM is a process that is being driven to firstly preserve safety and then preserve economy because safety is main. Safety should be preserved at any cost.

  6. Unsatisfactory condition :
    RCM generally defines any failure as unsatisfactory condition i.e. not satisfying or meetings one’s demand. Failure is something that can either lead to loss of function or loss of quality with is not acceptable by anyone. It is considered to be high hazard. Therefore, failure is defined as unsatisfactory condition which should be handled with care to remove it permanently.

  7. Uses Logical Tree :
    RCM generally takes help of logical tree to monitor all maintenance tasks. Logical tree is analysis technique that is used to select appropriate maintenance tasks. It is best way to tackle and handle any problem.

  8. Applicable and Effective :
    RCM is a process that simply ensures that systems continue to do as per user requirement. Only successful implementation of RCM will lead to cost-effectiveness. RCM also addresses that what can be done if selected maintenance task is not applicable and effective. Selected maintenance tasks must be capable of reducing probability of failure and be cost-effective also.

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