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Mechanical Diesel

Mechanical(Diesel )

Course Details

Mechanic (Diesel) is a diesel engine mechanical vocational trade. The duration of trade is one year with two semesters of six months each. During class teaching students are told about different aspects of diesel engine and related other activities like maintain diesel equipment operation by completing inspections and preventive maintenance requirements; correcting vehicle deficiencies; making adjustments and alignments; keeping records. There are many ITIs in the country providing it because of its high career orienting nature.

Options for employment :
  • 1. Auto Diesel engine Mechanic
  • 2. Diesel Engine Service Technician
  • 3. Auto Fitter in Manufacturing Concern in Assembly Shop or Test Shop
  • 4. Mechanic in Auto Manufacturing Industry
  • 5. Dealers service mechanic
  • 6. Driver/Vehicle Operator
  • 7. Spare Parts Sales Assistant / Manufacturers Representative
  • 8. Laboratory Assistant

  • Options for self-employment :
  • 1. Automobile Mechanic
  • 2. Diesel Fuel System Service Mechanic
  • 3. Vehicle Operator
  • 4. Spare Parts Salesman
  • 5. Spare Parts Dealer
  • Further learning pathways:
  • On successful completion of the course trainee can get themselves enrolled in Apprenticeship training in reputed Industrial organisation.
  • The qualified candidates have scope for lateral entry into the Diploma courses offered by some of the State Governments
  • The qualified candidates can also get themselves upgraded by taking up the Second Semester at his own convenience in the CTS scheme, since the first semester is common to the following trades.
  • Course Structure

    Mechanic (Diesel) Trade Syllabus

    Syllabus of Mechanic (Diesel) trade as prescribed by various ITIs.

    Download Full Electrician syllabus

    Sem. I

    Sr. No.

    Subjects of Study



    Trade Practical

    Trade Theory


    Familiarisation with institute, Job opportunities in the automobile sector, Machinery used in Trade. Types of work done by the students in the shop floor

    Admission & introduction to the trade: Introduction to the Course duration, course content, study of the syllabus. General rule pertaining to the Institute, facilities available–Hostel, Recreation, Medical and Library working hours and time table


    Practical related to Safety and Health, Importance of maintenance and cleanliness of Workshop.

    Occupational Safety & Health: Importance of Safety and general Precautions to be observed in the shop.


    Practice using all marking aids, like steel rule with spring calipers, dividers, scriber, punches, Chisel etc.,

    Hand & Power Tools: Marking scheme, Marking material-chalk, Prussian blue. Cleaning tools- Scraper, wire brush, Emery paper, Description, care and use of Surface plates, steel rule, measuring tape, try square.


    Measuring practice on Cam height, Camshaft Journal dia, crankshaft journal dia, Valve stem dia, piston diameter, and piston pin dia with outside Micrometers.

    Systems of measurement, Description, care & use of - Micrometers- Outside and depth mirometer, Micrometer adjustments, Vernier calipers, Telescope gauges, Dial bore gauges, Dial indicators, straightedge, feeler gauge, thread pitch gauge, vacuum gauge, tire pressure gauge.


    Practice on General cleaning, checking and use of nut, bolts, & studs etc., Removal of stud/bolt from blind hole.

    Fasteners- Study of different types of screws, nuts, studs & bolts, locking devices, Such as lock nuts, cotter, split pins, keys, circlips, lock rings, lock washers and locating where they are used.


    Practice on Marking and Drilling clear and Blind Holes, Sharpening of Twist Drills Safety precautions to be observed while using a drilling machine.

    Drilling machine - Description and study of Bench type Drilling machine, Portable electrical Drilling machine, drill holding devices, Work Holding devices, Drill bits.


    Practice on making Rectangular Tray. Pipe bending, Fitting nipples unions in pipes. Soldering and Brazing of Pipes. 

    Sheet metal - State the various common metal Sheets used in Sheet Metal shop Sheet metal operations - Shearing, bending, Drawing, Squeezing


    Practice in joining wires using soldering Iron, Construction of simple electrical circuits, Measuring of current, voltage and resistance using digital multimeter, practice continuity test for fuses, jumper wires, fusible links, and circuit breakers.

    Basic electricity, Electricity principles, Ground connections, Ohm's law, Voltage, Current, Resistance, Power, Energy. Voltmeter, ammeter, Ohmmeter Mulitmeter, Conductors & insulators, Wires, Shielding, Length vs. resistance, Resistor ratings 


    Diagnose series, parallel, series parallel circuits using Ohm’s law, Check electrical circuit with a test lamp, perform voltage drop test in circuits using multimeter, measure current flow using multimeter/ ammeter, use of service manual wiring diagram for troubleshooting

    Fuses & circuit breakers, Ballast resistor, Stripping wire insulation, cable colour codes and sizes, Resistors in Series circuits , Parallel circuits and Series-parallel circuits, Electrostatic effects, Capacitors and its applications, Capacitors in series and parallel.


    Cleaning and topping up of a lead Acid battery, Testing battery with hydrometer, Connecting battery to a charger for battery charging

    Description of Chemical effects, Batteries & cells, Lead acid batteries & Stay Maintenance Free (SMF) batteries, Magnetic effects, Heating effects,


    Identify and test power and signal connectors for continuity, Identify and test different type of Diodes, NPN & PNP Transistors for its functionality

    Basic electronics: Description of Semi conductors, Solid state devices- Diodes, Transistors, Thyristors, Uni Junction Transistors (UJT), Metal Oxide Field Effect Transistors (MOSFETs), Logic gates-OR, AND & NOT and Logic gates using switches.


    Practice to make straight beads and Butt, Lap & T joints Manual Metal Arc Welding.

    Introduction to welding and Heat Treatment


    Practice on Liquid penetrates testing method and Magnetic particle testing method.

    Non-destructive Testing Methods- Importance of Non-Destructive Testing In Automotive Industry, Definition of NDT, Liquid penetrate and Magnetic particle testing method – Portable Yoke method


    Identification of different type of Vehicle.

    Auto Industry - History, leading manufacturers, development in automobile industry, trends, new product.

    Sem. II


    Trade Practical

    Trade Theory


    Identification of parts in a diesel engine of LMV/ HMV. Practice on starting and stopping of diesel engines.

    Introduction to Engine


    Overhauling of cylinder head assembly, Use of service manual for clearance and other parameters, Practice on removing rocker arm assembly manifolds.

    Diesel Engine Components, Valves & Valve Trains



    Overhauling piston and connecting rod Assembly. Use of service manual for clearance and other parameters

    Description & functions of different types of pistons, piston rings and piston pins and materials.


    Overhauling of crankshaft, Use of service manual for clearance and other parameters

    Description and function of Crank shaft, camshaft, Engine bearings- classification and location – materials used & composition of bearing materials- Shell bearing and their advantages


    Checking of flywheel and mounting flanges, spigot, bearing. Check vibration damper for defects, Practice on removing cam shaft from engine block, Check for bend & twist of camshaft.

    Description and function of the fly wheel and vibration damper. Crank case & oil pump, gears timing mark, Chain sprockets, chain tensioner etc.


    Cleaning and Checking of cylinder blocks Surface for any crack, flatness, Measure cylinder bore for taper & ovality, clean oil gallery passage and oil pipe line, Bore

    Description of Cylinder block, Cylinder block construction, and Different type of Cylinder sleeves (liner).


    Reassemble all parts of engine in correct Sequence and torque all bolts and nuts as per workshop manual of the engine. Engine component procedure

    Engine assembly procedure with aid of special tools and gauges used for engine assembling. Introduction to Gas Turbine, Comparison of single and two stage turbine engine, Different between gas turbine and Diesel Engine.


    Practice on Checking &Top up coolant, Draining & refilling coolant, Checking /replacing a coolant hose, Testing cooling system pressure, Practice on Removing & replacing radiator/thermostat. Inspect the radiator pressure cap, Testing of thermostat.

    Need for Cooling systems, Basic cooling system components, Need for lubrication system


    Practice on Dismantling air compressor and exhauster and cleaning all parts – measuring wear in the cylinder, reassembling all parts and fitting them in the engine

    Intake & exhaust systems, Intake system components, Exhaust system components


    Practice on removing & Cleaning fuel tanks, checking leaks in the fuel lines, soldering & repairing pipe lines and Unions, brazing nipples to high pressure line studying the fuel feed system in diesel engines, draining of water separators.

    Diesel Fuel Systems, Diesel fuel system components, Electronic Diesel control,


    Practice on Start engine adjust idling speed and damping device in pneumatic governor and venture control unit checking Performance of engine with off load adjusting timings.

    Marine & Stationary Engine


    Monitoring emissions procedures by use of Engine gas analyser or Diesel smoke meter

    Emission Control, Types of emissions


    Practice on removing alternator from vehicle dismantling, cleaning checking for defects, assembling and testing for motoring action of alternator & fitting to vehicles.

    Description .of charging circuit operation of alternators, regulator unit, ignition warning lamp- troubles and remedy in charging system


    Practice on troubleshooting in LMV/HMV for Engine Not starting –Mechanical & Electrical causes, High fuel consumption, Engine overheating, Low Power Generation, Excessive oil consumption, Low/High Engine Oil Pressure, Engine Noise.

    Troubleshooting : Causes and remedy for Engine Not starting – Mechanical & Electrical causes, High fuel consumption, Engine overheating, Low Power Generation, Excessive oil consumption, Low/High Engine Oil Pressure, Engine Noise.

    Admission Requirements

    Basic Qualification : The Basic qualification for admission in Mechanical Diesel Trade is Matric ( 10th ) of education with Science as one of the subject.e

    Admission Open From March every year

    In admission required documents…..
    a> Marksheet
    b> SLC (School leaving certificate)
    c> Aadhar card & 6 color passport size photo)


    Seat Details

  • Namda Samastipur Center - 42
  • Course Gallery

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    Admission Enquiry Call on:
    933426,9122122000, 9334265882, 9934012024,