FARM MACHINERY MAINTENANCE PRACTICES AND PRECAUTIONARY MEASURES
Subject:
Agricultural Science
Class:
SS 1
Term:
Second Term / 2nd Term
Week:
Week 9
Topic:
FARM MACHINERY MAINTENANCE PRACTICES AND PRECAUTIONARY MEASURES
Previous Knowledge: The pupils have previous knowledge of
that was taught in their previous lesson.
Behavioural Objectives : At the end of the lesson, learners will be able to
- Say the reasons for Maintaining Farm Machines
- Write out types of Maintenance of Farm Machinery
Instructional Materials
- Wall charts
- Online Resource
- Textbooks
- Laptop
- Soil samples
- Flash cards
- www.edudelighttutors.com
Methods of Teaching
- Role modelling
- Questions and Answers
- Explanation
- Discussion
- Recitation
- Imitation
- Story Telling
- Dramatization
Content:
The reasons for maintenance practice are as follows:
1. To ensure maximum or efficient use of farm machine
2. To keep the machines in a good working condition.
3. To increase their useful life or life span
4. To prevent them from becoming obsolete or from deteriorating
5. To detect or spot the potential machine failure and safety from hazards
6. To prevent vibrations that can produce irritating noise on the farm.
7. Checking oil and water levels regularly prevents any overheating or seizure of the engine.
8. Maintenance of farm machines at times reduces cost, that is, the cost of purchasing new ones may be high.
Maintenance of Farm Machinery
Periodic Maintenance of Farm Machinery
1. Maintenance practices that should be carried out periodically or at regular intervals on the machines include the following:
2. Tractor should be service at regular interval
(ii) Worn out tyres should be replaced and tyre pressure gauged regularly
(iii) Ensure that nut and screw are checked and tightened regularly
(iv) Replace worn out part of the tractor
(v) Air filter should be cleared regularly
(vi) Fuel injector should be serviced or changed
(vii) Fan belt should be replaced or adjusted
(viii) Wash or clean carburator (ix) Always park tractor in a shade
2. Periodic Maintenance of Farm Machinery
(i) Keep the tractor clean by removing trash or mud from it before and after operation
(ii) Check water level daily and top it when necessary
(iii) Check oil level daily and top it when necessary
(iv) Check electrolyte of battery daily and top it when necessary
(v) Check tyre pressure daily and increase the pressure when necessary
General Maintenance of Farm Machinery
The following maintenance practices or operations can be carried out on farm machinery.
1. Keep the machine clean by removing all trash or mud and excess grease oil from machines at the start or at the end of operation.
2. Adhere strictly to manual or manufacturer’s instruction
3. Always use the machine or the implements for the operation for which it was designed.
4. Employ a competent and experienced operator and technicians to handle the machines.
5. Store machines and implement in a cool and dry place, usually under shade. Regularly service the machines.
6. Check water and oil levels of machines regularly where applicable to ensure that they are at their normal levels to prevent any overheating or seizure.
7. Check hydraulic system where applicable before operation Ensure complete implement before setting out for work.
8. Ensure that nuts, bolts, screws, or shield are checked and tightened at regular intervals.
9. Worn out tyres, nuts screws, or shield and other parts of the machine should be replaced.
10. Moving parts or joints of farm machines should be oil or greased regularly. Sharpen the blades and repair broken blades where applicable.
11. Do not overload the machines, i.e, operate at appropriate speed for field operations and avoid using it under poor conditions that are not favourable. Check electrical system where applicable.
Presentation :
The topic is presented step by step
Step 1: The class teacher revises the old topic
Step 2: The class teacher introduces the new topic
Step 3: The class teacher allows the pupils to give their own contributions and gives room for pupils” participation
Class Teacher and Pupils Activities. Interaction or Participation
This involves class teacher and pupils’ interaction, conversation, imitation or modeling through discussion, play method or just by recitation or asking and answering questions that are related to the topic that has just been taught.
EVALUATION QUESTIONS
1. Discuss eight maintenance practices including the precautions you would take to keep the tractor operating safety.
2. Enumerate six (6) reasons why farm machines and equipment should be maintained.
3.State ten (10) methods of maintaining farm machines and equipment List five precautionary measures you will adopt in the use of a tractor.
4. State two (2) specific maintenance practice required by the following: (i) Farm Machines (ii) Incubator (iii) Plough (iv) Sheller (v) Bulldozer (vi) Dryer
5.State five uses of a tractor List five tractor-coupled implement and one use of each
6.State four reasons why disc plough is commonly used than mould board plough. Describe the components of an incubator
7. Give five reasons why hand tools are more commonly used in agricultural production in Nigeria than tractor based implements.
8. State five reasons why farm machines should be maintained.
Conclusion :
The class teacher concludes the lesson by giving the pupils some notes on the topic that has just been taught. He goes round to mark and he does the necessary corrections.