OK - Teórica del carnet de conducir - Mecánica - Autoescuela FPC

Introduction to Vehicle Mechanics

Overview of the Engine

• The engine transforms energy into work, enabling vehicle movement.

• It operates in conjunction with various systems, including the fuel system that mixes air and fuel for combustion.

Air and Fuel Supply

• Air enters the engine through a filter to prevent particles from damaging it.

• Fuel delivery can be via an outdated carburetor or modern electronic injectors controlled by a central unit.

Engine Operation and Maintenance

• Combustion produces gases that must exit through the exhaust system, which also reduces noise.

• The catalytic converter within the exhaust system minimizes toxic emissions at high temperatures (400-700 degrees).

Lubrication and Oil Management

Importance of Lubrication

• Continuous friction in engine components necessitates proper lubrication to prevent wear.

• The oil reservoir, known as the sump, is located at the bottom of the engine and supplies oil via a pump.

Monitoring Oil Levels

• An indicator light alerts drivers if oil pressure is inadequate; regular checks are essential for maintenance.

• To check oil levels, use a dipstick: clean it before reinserting to read accurate levels marked on it.

Cooling System Functionality

Role of Cooling System

• The cooling system prevents overheating by circulating coolant through hot engine parts.

• Coolant absorbs heat and passes through a radiator where airflow cools it down before recirculation.

Electrical Equipment Essentials

Battery Functionality

• The battery stores energy necessary for starting the vehicle; maintaining near 100% charge is ideal.

• Distilled water should be added when necessary to keep battery fluid levels optimal.

Alternator's Role

• The alternator charges the battery while driving by converting some of the engine's energy into electrical power.

Ignition System Components

Spark Plug Importance

• Spark plugs ignite fuel-air mixtures in cylinders; their condition directly affects engine performance.

Lighting Systems Overview

Types of Vehicle Lights

• Vehicles may have halogen, xenon, or LED lights; each type has different visibility benefits.

Transmission Systems Explained

Wheel Drive Types

• Vehicles can be categorized based on drive wheels: rear-wheel drive (propulsion), front-wheel drive (traction), or all-wheel drive (integral traction).

Essential Safety Equipment

Required Safety Gear

• Vehicles under 3,500 kg must carry reflective vests, warning triangles, spare tires, and tools for tire changes.

Additional Requirements

• For heavier vehicles over 3,500 kg , safety gear includes reflective vests but excludes spare tires/tools while requiring fire extinguishers.

Visibility Standards

• Reflective vests must be visible from at least 150 meters and stored properly to maintain reflectivity.

Conclusion

• Further information can be found in accompanying literature for deeper understanding.