APPLICATION OF DIAGNOSTIC METHODS IN EXPERTISE OF TECHNICAL CORRECTNESS OF MOTOR VEHICLES
DOI:
https://doi.org/10.59417/nir.2021.18.51Keywords:
devices, station, technical, inspection, stopping, braking, inspection, efficiency, coefficient, slip, permeability, corrosion, time, functionality, power supply, disk, drum, pistons, return spring, design, vehicle, power supply, disk, drum, pistons, return spring, design.Abstract
The control of the braking device is in principle performed in the station for technical inspections of the company, which has all the devices for the control of the stopping device. During this inspection, the condition of the service brake is checked (efficiency – braking coefficient when the vehicle is empty and loaded, difference between braking force on the left and right side, magnitude of jumping force increase), auxiliary brake (efficiency – braking coefficient, difference between braking force on left and right side), parking brake (functionality, condition of steel ropes – damage, twisting, entanglement, corrosion, condition of frogs, condition of control lever), control – service brake pedal (stroke – too big or too small, whether the anti-slip pad is worn, loose or it is absent, clearance in articulated elements, resistance when starting), control – auxiliary brake lever (lever – whether it is distorted or broken, condition of holding teeth, stroke – too big or too small), braking force transmission elements (rigid pipeline – distortion, tightness, permeability, corrosion, condition of joints, elastic hoses – tightness, permeability, cracking, swelling, joints, compressor – oil level and leakage, required time to reach pressure; pneumatic tanks – corrosion, damage, attachment; brake cylinders – functioning, damage, corrosion, oil leakage; brake levers – distortion, corrosion, functionality; control elements and power supply of the trailer – response and pressure height; ABS system elements – damage, attachment, ABS lamp signal on the control panel). In addition to the above, if the inspection is performed in a workshop and by disassembling parts and assemblies, it is obligatory to check and state the appearance of brake shoes and lining attachment, appearance of disc or drum brake surface, pistons, sealing tires and return springs.
The purpose of technical testing is to ensure that the benefits gained from the original design and manufacture of the vehicle are maintained during the use of the vehicle.
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