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Home I.T.I Courses Mechanic (Diesel)

I.T.I in Mechanic (Diesel)

Overview :
Diesel mechanics diagnose and repair the mechanical and electrical faults of diesel vehicles and machinery. Diesel mechanics diagnose engine trouble, dismantle the engine when necessary, and replace or repair defective parts. They reassemble the engine and repair mechanical and electrical faults in construction machinery. 

In most cases electrical diagnostic equipment is used to locate problems - experienced diesel mechanics are able to locate a problem by listening to the noise in the engine. Mechanical parts are replaced or minor adjustments made. 
Diesel mechanics also complete job cards, furnish information on the parts that should be ordered and assist in training learners. They often perform administrative and managerial tasks. Working conditions of the diesel mechanic vary according to the place of employment - for instance, a well-equipped workshop or farm, ship or construction site.
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Skills Required :
  • be at least 16 years old
  • enjoy working with their hands
  • have mechanical aptitude and ability 
  • be able to communicate with people
  • be practical and responsible 
  • have good eyesight and hearing
  • have good eye-hand coordination
  • have manual dexterity
  • possess physical strength and good health and stamina.
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Nature of Job :
Diesel engines are more durable and heavier than gasoline engines. In addition, they are more fuel efficient than gasoline engines, in part because the higher compression ratios found in diesel engines help convert a higher percentage of the fuel into power. Because of their greater durability and efficiency, diesel engines are used to power most of the Nation's heavy vehicles and equipment.
Diesel mechanics repair and maintain diesel engines that power transportation equipment, such as heavy trucks, buses, and locomotives; construction equipment such as bulldozers, cranes, and road graders; and farm equipment such as tractors and combines. A small number work on diesel-powered automobiles. Diesel mechanics also service a variety of other diesel-powered equipment, such as electric generators and compressors and pumps used in oil well drilling and irrigation systems.

Most diesel mechanics work on heavy trucks used in industries such as mining and construction to carry ore and building materials, and by private and commercial trucking lines for general freight hauling. Most light trucks are gasoline powered, and although some diesel mechanics may occasionally service gasoline engines, most work primarily on diesel engines. (For information on mechanics who work primarily on gasoline engines, see the Handbook statement on automotive mechanics.)

Mechanics who work for organizations that maintain their own vehicles may spend much time doing preventive maintenance to assure safe operation, prevent wear and damage to parts, and reduce costly breakdowns. During a maintenance check on a truck, for example, they usually follow a regular checklist that includes the inspection of brake systems, steering mechanisms, wheel bearings, and other important parts. They usually repair or adjust a part that is not working properly. Parts that cannot be fixed are replaced.
In many shops, mechanics do all kinds of repairs, working on a vehicle's electrical system one day and doing major engine repairs the next. In some large shops, mechanics specialize in one or two types of work. For example, one mechanic may specialize in major engine repair, another in transmission work, another in electrical systems, and yet another in suspension or brake systems.
Diesel mechanics use a variety of tools in their work, including power tools such as pneumatic wrenches to remove bolts quickly; machine tools such as lathes and grinding machines to rebuild brakes and other parts; welding and flame-cutting equipment to remove and repair exhaust systems and other parts; common handtools such as screwdrivers, pliers, and wrenches to work on small parts and get at hard-to-reach places; and jacks and hoists to lift and move large parts. Diesel mechanics also use a variety of testing equipment, including ohmmeters, ammeters, and voltmeters when working on electrical systems and electronic components; and tachometers, dynamometers, and engine analyzers to locate engine malfunctions.
For heavy work, such as removing engines and transmissions, two mechanics may work as a team, or a mechanic may be assisted by an apprentice or helper. Mechanics generally get their assignments from shop supervisors or service managers, who may check the mechanics' work or assist in diagnosing problems.
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Syllabus :
  • Induction and safety training 
  • Allied Trade works - Fitting 
  • Allied Trade work - Sheet Metal 
  • Engine Repair work
  • Engine Erection work 
  • Fuel Injection system work 
  • Repair of shop floor equipment
  • Electrical Repair work 
  • Industrial Visit 
  • Revision & Test
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Eligibility & Admission :
10th Standard Passed  
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Job prospects :
Employment of diesel mechanics is expected to increase about as fast as the average for all occupations through the year 2005. Because this is a large occupation, more job openings are expected for diesel mechanics than for most other occupations. Although employment growth will create many new jobs, most job openings will arise from the need to replace diesel mechanics who transfer to other fields of work or retire or stop working for other reasons.
Employment of diesel mechanics is expected to grow as freight transportation by truck increases. More trucks will be needed for both local and intercity hauling due to the increased production of goods. Additional diesel mechanics will be needed to repair and maintain growing numbers of buses and heavy construction graders, cranes, earthmovers, and other equipment. Due to the greater durability and economy of the diesel relative to the gasoline engine, buses and trucks of all sizes are expected to be increasingly powered by diesels, also creating new jobs for diesel mechanics.
Careers in diesel mechanics are attractive to many because wages are relatively high and skilled repair work is challenging and varied. Opportunities should be good for persons who complete formal training in diesel mechanics at community and junior colleges and vocational and technical schools, but others may face competition for entry level jobs.
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Employers :
  • Service stations of new and used vehicle and tractor dealers 
  • Independent repair shops 
  • Vehicle service stations 
  • Vehicle parts wholesalers and distributors 
  • Bus and transport companies 
  • Organisations that maintain their own vehicles 
  • Government departments 
  • Carbonated soft-drink Industry 
  • Self-employment, with enough experience and capital, can start own business
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