Reference Learning Outcome :-Perform servicing of Cooling and Lubrication system of Tractor in a workshop. (NOS:AGR/N1128)
Duration :- Professional Skill 56 Hrs.; Professional Knowledge 06 Hrs.(for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Cooling systems: – Coolant properties, preparation and recommended change of interval, use of anti-freezer.
Cooling system components, water pump, function of thermostat, pressure cap,
Recovery system & Thermo- switch.
Function & types of Radiator.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
50. Checking cooling system for overheating under- cooling. (6 hrs.)
51. Dismantling, cleaning, assembling & testing of water pumps, reverse flushing the system. (11 hrs.)
52. Checking of thermostat valve, pressure cap. (6 hrs.)
53. Adjusting the fan belt tension. (5 hrs.)
WEEK. NO. 23
Reference Learning Outcome :-Perform servicing of Cooling and Lubrication system of Tractor in a workshop. (NOS:AGR/N1128)
Duration :- Professional Skill 56 Hrs.; Professional Knowledge 06 Hrs.(for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Lubrication system: – purposes & characteristics of oil, type of lubricants, grade as per SAE, & their application, oil additives, type of lubrication system.
Lubrication system components- different type of Oil pump, Oil filters & oil cooler. Probable reasons for low / high oil pressure, high oil consumption and their remedies.
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
54. Identification of lubrication oil flow circuit in an engine. (6 hrs.)
Reference Learning Outcome :-Service Intake and Exhaust System of Tractor in a workshop. (NOS:AGR/N1128)
Duration :- Professional Skill 28 Hrs.; Professional Knowledge 04 Hrs.(for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Intake & exhaust systems – Description of Diesel induction & Exhaust systems.
Description & function of air compressor, Super charger, Intercoolers, turbo charger, variable turbo charger mechanism.
Intake system components- Description and function of Air cleaners, Different type air cleaner, Description of Intake manifolds and material.
Exhaust system components- Description and function of Exhaust manifold, Exhaust pipe, Mufflers- Reactive, absorptive, Combination, Electronic mufflers, Catalytic converters, Backpressure, Diesel particulate filter, Exhaust Gas Recirculation (EGR).
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
57. Servicing of air cleaner (Oil bath) Checking & changing an air filter. (5 hrs.)
58. Dismantling & assembling of turbo charger, check for axial clearance as per service manual. (6 hrs.)
59. Checking of Exhaust Gas Recirculation. (5 hrs.)
60. Check Exhaust system for rubber mounting for damage, deterioration and out of position; for leakage, loose connection, dent and damage; Practice on Exhaust manifold removal and installation. (6 hrs.)
61. Practice on Catalytic converter removal and installation. (6 hrs.)
WEEK. NO. 25 & 26
Reference Learning Outcome :- Service Fuel Feed System of Tractor in a workshop. (NOS:AGR/N1128)
Duration :- Professional Skill 56 Hrs.; Professional Knowledge 07 Hrs.(for above learning out come)
TRADE THEORY (Professional Knowledge ) :-
Diesel fuel characteristics, concept of Quiet diesel technology & Clean diesel technology, Fuel feed system used in Tractor’s description and layout.
Diesel fuel system components, Description and function of Diesel fuel injection system, types of fuel injection pumps, type of drive, injectors-types and function. Governor and their types.
Distributor-type injection pump, Glow plugs,Cummins & Detroit Diesel injection.
Diesel electronic control- Diesel electronic control systems (DEC), Common rail diesel injection System.
Method of bleeding fuel supply system
TRADE PRACTICAL (Professional Skills With Indicative Hours) :- Job no. & Name of the Practical
62. Practice in engine tune up in a vehicle -testing vacuum and compression of engine, (6 hrs.)
63. Tracing of different parts of fuel system. (5 hrs.)
64. Repairing fuel leaks in pipe line and unions, Servicing and testing of fuel feed pump. Servicing of fuel filters. Servicing of fuel Injection Pump. (8 hrs.)
65. Servicing of pressure pump of (C.R.D.I.). (7 hrs.)
66. Regulator’s and Elect/Electronic injectors, checking operation of C.R.D.I. system. Overhauling & testing of injectors. (8 hrs.)
67. Setting injection timing. Bleeding fuel lines for Air locks. (8 hrs.)