MAINTENANCE OF FARMING MACHINERY


UNIT 4 MAINTENANCE OF FARM MACHINERY Objectives: Students should be able to: 1. Identify when to maintain farm machines and the operation involved. 2. Carry out simple maintenance operations. Farmers spend a lot of money to buy farm machines. If they are to last long, adequate care, and maintenance should be carried out. For proper understanding of the various maintenance operations the manufacturer’s handbook on the assembling, operation, care and maintenance of farm machines and implements should be studied carefully and the instructions about usage should be followed. Different ways of maintaining farm machinery (a) Dully maintenance: Before the commencement of operation, the fuel and engine oil levels on tractors and other machines should be checked. The tyre pressures must be checked daily before machines are taken to the field for operation. It is necessary to ensure that all parts of the machine are in good working condition (b) After use storage




(i) All farm machines and implements should be cleaned and stored in cool place after use. (ii) Parts of machines and implements having contact with chemicals should be washed and painted or oiled daily. This will prevent the parts from rapid corrosion, (iii) When machines and implements are to be kept for a long time, it is necessary to oil or grease the metal parts. This ii to prevent rusting. (iv) Farm machines and implements should be sun and rain. (a) Sharpening of blunt tools: The blunt ends of tools or implements should be sharpened before and after use (b) Tightening of bolts and nuts: The loose screws, bolts and nuts-, holding parts of farm machines together should be lightened bclore the machines are operated or taken to the field for use. (c) Regular servicing: Machines should be serviced at regular intervals to make them function properly and effectively. (d) Lubrication of parts:






The manufacturer's specification regarding the lubrication of parts of farm machines should be strictly followed. Lubricant or grease should be applied regularly to the appropriate bearings or grease points on wheels. Lubrication prevents the wearing out of moving parts that are in contact, (e) Replacement of parts: (i) The worn out or broken parts of machines and implement should be replaced or repaired. (ii) The farmer should keep spare part& of farm machines and implements that are easily damaged. This will facilitate immediate replacement of affected parts. Examples are plugs. STUDY

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2. IMPORTANCE OF AGRICULTURE
3. SUBSISTENCE AGRICULTURE
4. COMMERCIAL AGRICULTURE
5. PROBLEM OF AGRICULTURAL DEVELOPMENT
6. SOLUTIONS TO POOR AGRICULTURAL DEVELOPMENT
7. AGRICULTURAL LAWS AND REFORMS
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1134.
FORESTRY
35. WILDLIFE CONSERVATION
36. FACTORS AFFECTING LAND AVAILABILITY
37. TOPOGRAPHY
38. SOIL
39. BIOLOGICAL FACTORS
40. SOCIAL-ECONOMIC FACTORS
41. ENVIRONMENTAL FACTORS AFFECTING AGRICULTURAL PRODUCTION
42. CLIMATIC FACTORS AFFECTING AGRICULTURAL PRODUCTION
43. TEMPERATURE
44. RAINFALL
45. WIND
46. SUNLIGHT
47. SOLAR RADIATION
48. BIOTIC FACTOR AND AGRICULTURAL PRODUCTION
49. PESTS
50. BIRDS
51. DISEASES
52. SOIL MICRO-ORGANISMS
53. SOIL PH
54. ROCK FORMATION
55. IGNEOUS ROCK
56. SEDIMENTARY ROCKS
57. METAMORPHIC
58. SOIL AND ITS FORMATION
59. FACTORS OF SOIL FORMATION
60. LIVING ORGANISM
61. PARENT MATERIALS
62. SOIL FORMATION TOPOGRAPHY
63. PROCESS OF SOIL FORMATION
64. WEATHERING
65. PHYSICAL WEATHERING
66. CHEMICAL WEATHERING
67. PRESSURE
68. WATER


69. WIND
70. HYDROLYSIS
71. HYDRATION
72. CARBONATION
73. BIOLOGICAL WEATHERING
74. CHEMICAL AND BIOLOGICAL COMPOSITION OF THE SOIL
75. SOIL WATER
76. MICRO AND MACRO NUTRIENTS
77. SOIL MICRO ORGANISM
78. PROPERTIES OF SOIL
79. SOIL STRUCTURE
80. SANDY SOIL
81. CLAY SOIL
82. LOAMY SOIL

83. SOIL TEXTURE
84. IDENTIFICATION OF SOIL TYPES THROUGH EXPERIMENTS
85. RETENTION OF WATER BY VARIOUS SOIL TYPES
QUESTIONS 1. State the different ways of maintaining farm machinery. 2. Briefly explain four after use storage maintenance you would cany out to preserve the life span of your machines and nmkt\ them effective j

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