103 contents 1031 maintenance objectives 1032

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10.3 CONTENTS 10.3.1 Maintenance Objectives 10.3.2 Classification of Maintenance 10.3.2.1 Breakdown Maintenance 10.3.2.2 Routine Maintenance 10.3.2.3 Planned Maintenance 10.3.2.4 Preventive Maintenance 10.3.2.5 Predictive Maintenance 10.3.2.6 Corrective Maintenance 10.3.3 Planning, Scheduling and Control of Maintenance 10.3.3.1 Steps involved in Maintenance Planning, Scheduling and Control 10.3.1 MAINTENANCE OBJECTIVES The maintenance objectives are to a) Ensure maximum availability of plant, equipment and Machinery for productive utilization through planned maintenance. b) Maintain plant equipment and facilities at an economic level of repairs at all times, to conserve these and increase their life span. c) Provide the desired services to operating departments at optimum levels, though improved maintenance efficiency. d) Provide management with information on the cost and effective of maintenance; and e) Trod achieve all the above objectives as economically as possible. The economic factor has to be kept in mind by all the contributing departments of an organization because, whatever be the aims and objectives of that organisation, it cannot sustain for top long without earning profit. So, it can be safely said that the primary objective of an enterprise is profit. And as a corollary, the primary objectives of the maintenance department is to extend help towards
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133 achieving this goal by creating capabilities within the enterprise to earn profit. Since the ultimate objectives is profit, the Production infrastructure and facilities have to be maintained at as minimum a cost as possible with maximum efficiency and operational availability. The maximization effort normally includes the following: a) Preventive and Planned Maintenance. This entails timely repairs, rectification and adjustments, time-bound over hall, inspection and lubrication of equipment. Such meticulous care is absolutely essential because defective equipment causes down time, which results in declining of output and production quality. Hence, down time reduction becomes an important are of concern. b) The Health and Safety of Both Workmen and Machines. These have to be carefully looked after. The orderliness and cleanliness of the work placed has to be assured to improve total productivity and the condition of the labour force, and to avoid accidents. c) Planning and Scheduling. These must be based on realistic work content. Similarly the time, labour and repair cost estimate should be made. These have to be time bound because lapses in time estimates will upset the schedules, priorities with order departments, particularly with production. d) Controls. These have to be established so that checking can be done, i.e., whether or not plans are being adhered to. And progress is being made towards the attainment of assigned objectives.
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