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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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