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Management Programme
ASSIGNMENT
SECOND SEMESTER
(JULY TO DECEMBER)
2020
MS – 56 : Maintenance Management
School of Management Studies
INDIRA GANDHI NATIONAL OPEN UNIVERSITY
MAIDAN GARHI, NEW DELHI – 110 068
ASSIGNMENT
| Course Code : | MS – 57 |
| Course Title : | Maintenance Management |
| Assignment Code : | MS-57/TMA/Sem-II/2020 |
| Coverage : | All Blocks |
Note: Attempt all the questions and submit this assignment to the Coordinator of your Study Centre on or before 31st October, 2020.
Question. 1. “A maintenance system can be viewed as a simple input–output model”. Explain the systematic approach to maintenance management in the view of this statement.
Answer: Maintenance management is the management of all the assets owned by a production organization, based on maximizing the return on investment in the assets. This is achieved by applying general management principles of planning, scheduling, organizing and controlling to the maintenance function.
SYSTEMATIC APPROACH TO MAINTENANCE MANAGEMENT
A maintenance system can be viewed as a simple input-output model. The inputs to such a model are labor, management, tools, spares, equipments, plans and schedules; and the output is the equipment that is up, reliable and well configured to achieve the planned operation of the plant. This helps to optimize the resources for maximizing the output of a maintenance system.
Question. 2. What is Human Resource Development in Maintenance Management? Explain the explicit or implicit expectations of an organization from its employees.
Answer: In the olden times an employee, especially a worker was treated more like a mindless machine than as a human being. Other than basic technical skills that he/she had to have, he/she was not given any training and was left to his/her own to improve himself. It was a case of survival of the fittest (as seen by his superiors) that dictated his/her career path. This process never brought out the full creative potential even amongst the best of employees. Often, it brought out one’s cunning ability to step on others for one’s own success. There was no conscious or organized attempt towards developing talents, and attitudes, and relationships that could contribute to achievement of significantly higher level of performance of the individual and through him, the organization. Artificial methods of
Question. 3. “Spare parts go through various stages in their life cycle” What are they? Explain them in brief.
Answer: The aim of spare parts inventory management is to make available to maintenance, the right spare part, at the right place, at the right time, in the right quantity, at the right price, and at the lowest total cost to the enterprise. Of these, the first four represent the ‘service to the maintenance engineer’ and must be given first priority. The next part means paying the least for a purchased item by locating and negotiating with the suppliers for a reasonable price-provided the item meets the technical needs of maintenance. The last part of the aim minimizes the total cost, consisting of the cost of administering the
Question. 4. “Replacement policies form an integral part of all industrial maintenance programmes”. Explain the concept of replacement decisions in the view of this statement.
Answer: Replacement policies form an integral part of all industrial maintenance programmes. A replacement decision is only considered if the cost of an in-service failure exceeds the cost of preventive replacement action, that is, it must be more costly to replace an equipment, or component, after failure than before. Further there are three fundamental assumptions made in all replacement decisions. These are as follows:
1. The state of the equipment, whether good or failed, is always known with certainty. This is a reasonable assumption in most practical situations encountered in operating plants.
2. The replacement action returns the equipment to the as new condition so that the new equipment, or component, can continue to provide the same services as the equipment, or component, which it has replaced. This is
Question. 5. “Reliability Centred Maintenance (RCM) is a methodology as well as a philosophy”. Explain the concept of RCM along with its benefits and misconceptions.
Answer: Controlling maintenance costs, together with improving plant reliability and capacity has become an area of escalating attention in the ever increasing need to increase manufacturing competitiveness. A number of new maintenance philosophies have evolved and proven themselves in assisting maintenance managers in providing better plant utilization at lower cost. Amongst these are preventive maintenance, predictive maintenance, proactive maintenance, condition based maintenance and more recently reliability centered maintenance (RCM). A RCM strategy employs preventive, predictive and proactive maintenance technologies in an integrated manner to increase confidence that a machine will operate
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