UNIT 1:
Classification of Tractors - History of Engines
Tractor engines – Engine operation
Tractor engines – Engine operation
Understanding the working principle of a Diesel engine - 4 Stroke compression
Features of cylinder , Piston, Connecting rod and Crankshaft
Understanding the working principle of a Diesel engine - 4 Stroke compression
Tractor engines – Engine operation
Ignition engine cycle-Inlet and Outlet valves
Features of cylinder , Piston, Connecting rod and Crankshaft
Features of cylinder , Piston, Connecting rod and Crankshaft
UNIT 2:
TRACTOR TRAILER DESIGN - CBS
Front axle and wheel alignment Brake– types
Transmission system-clutches, brakes, power train- transmission
Steering geometry– Steering systems
Cooling and lubrication system
Air cleaner- Fuel pump- Exhaust– Silencer
Piston and cylinder-inspection – reconditioning and assembly of cranking system
Air cleaner- Fuel pump- Exhaust– Silencer
Starting and electrical system
Valve and valve mechanism-Air and fuel supply
Valve and valve mechanism-Air and fuel supply
UNIT 3:
Theory of traction- Tractive efficiency
Theory of traction- Tractive efficiency
Hydraulic system -hydraulic couplings, Torque convertors
Toe-in and Toe-out- Tractor Hitching.
Tractor steering mechanism-Types- caster camber- king pin inclination
Tractor PTO, Belt-pulley, properties of Hydraulic fluids
Hydraulic system -hydraulic couplings, Torque convertors
Theory of traction- Tractive efficiency
Hydraulic system -hydraulic couplings, Torque convertors
UNIT 4:
Study of transmission system-assembly of gearbox, differential and final drive
Test codes for performance testing of tractors
Makes of tractors and power tillers
Cost of operation of tractors and power tiller
Need for testing & Evaluation of farm tractors.
Need for testing & Evaluation of farm tractors.
Cost of operation of tractors and power tiller
UNIT 5:
Ergonomic aspects of power tillers
Ergonomic aspects of tractors
