Lesson Notes By Weeks and Term - Junior Secondary School 1

SUBJECT:� BASIC TECHNOLOGY �� ��� ���

CLASS:� JSS1

DATE:

TERM: 3RD TERM

REFERENCE MATERIALS�

• MELROSE, Basic Science and Technology Book 1
• NERDC, Basic Technology for JSS, Book 1

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WEEK SEVEN

TOPIC:� MAINTENANCE

CONTENT

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• Definition of maintenance�

• Types of maintenance�

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DEFINITION OF MAINTENANCE

Maintenance in engineering work is defined as the functions that should be carried out every day in order to keep the plant or any engineering equipment in good operating condition.� Any breakdown in plant and engineering equipment is the result of inadequate maintenance of equipment.

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TYPES OF MAINTENANCE

1. Predictive maintenance:� This is a method of using modern device to predict, or foresee an impending breakdown in a machine.
2. Preventive maintenance:� This is the maintenance carried out on any equipment or�

machinery even before the need arises.� This type of maintenance begins right from the time the equipment is first installed.

3. Corrective maintenance:� This is repair work carried out when equipment has broken down.

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EVALUATION

1. Define maintenance
2. State 3 types of maintenance

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READING ASSIGNMENT

Read more on maintenance (Intro Basic for JSS1- pg 122-123, NERDC Basic Tech for JSS 1, page 113-114)

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GENERAL EVALAUTION

1. State three uses of� (i) ceramic (ii) rubber
2. Mention 5 woodwork bench fittings

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WEEKEND ASSIGNMENT

1. Define maintenance
2. State 3 types of maintenance
3. Mention 8 forms of energy�

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