Candidates were able to:
- define machine maintenance;
- explain the given maintenance terminologies.
However, they were unable to state the reasons why machine maintenance is important.
The expected response to question 8 is as given below:
(a) Machine maintenance: is any action performed on a machine to keep it
in good working condition.
(b) Reasons for machine maintenance
to
- prolong the life-span of the machine;
- keep the machine in good working order;
- ensure efficiency of the machine;
- prevent accident in the workplace during use;
- give a good output;
- avoid breakdown of machine;
- reduce wastages;
- reduce overhead cost;
- ensure effectiveness.
(c) Corrective maintenance
(i) Is the type of maintenance carried out when a machine has
already broken down.
It involves the following actions:
- identification of the problem;
- isolation of the problem;
- rectification of the problem.
(ii) Predictive maintenance
Is a type of maintenance performed at intervals to monitor the condition of a machine in order to avoid sudden breakdown of the machine.
It involves the following actions:
- routine inspection;
- routine services;
- routine repairs
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