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Maintenance Control

Maintenance Control

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Maintenance Control

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  1. Maintenance Control • Introduction • A maintenance system can be viewed as a simple input/output system. The inputs to the system are manpower, failed equipment, material and spare parts, tools, information, polices and procedures, and spares. The output is equipment that is up, reliable and well configured to achieve the planned operation of the plant.

  2. The system has a set of activities that make it functional. The activities include planning, scheduling, execution and control. The control is achieved in reference to the objectives of the maintenance system. The objectives are usually aligned with the organization objectives and include equipment availability, costs and quality.

  3. The feedback and control is an important function in this system that can be used to improve the system performance. A typical maintenance system with key processes and control function is shown in Figure (1)below. The figure exemplifies the role and the need for effective feedback andcontrol.

  4. Variationsin maintenance demand Objectives Output Input • Facilities • Labor • Equipment • Spares • Management Operational machines & equipment • Availability • Costs • Quality Scheduling Execution Planning Feedback andcontrol • -Workcontrol • Materialcontrol • Inventorycontrol • Costcontrol Figure.1. Maintenance system and processcontrol

  5. An effective maintenance control system improves equipment reliability and assists in the optimal utilization of resources. Maintenance control refers to the set of activities, tools and procedures utilized to coordinate and allocate maintenance resources to achieve the objectives of the maintenance system that are necessary for thefollowing: • Workcontrol; • Quality and processcontrol; • Cost control;and • An effective reporting and feedback system.

  6. An essential part of the maintenance control is the work order system that is used for planning, executing and controlling maintenance work. The work order system consists of necessary documents and well defined flow process of the work order. The documents provide the means for planning and collecting the necessary information for monitoring and reporting maintenance work.

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