Note. Cars can be equipped with sound signals of types C-304 or C-305 (collapsible) or types 20.3721-01 or 201.3721-01 (non-separable). This manual describes signal type 20.3721-01.
1 – fastening of a wire of weight; 2 - bracket; 3 - wire "+"; 4 - ground wire "–"; 5 - sound signal
1. Remove the radiator cover (see subsection 10.3.) and disconnect the two wires from the signal pins.
2. Loosen the nut securing the signal bracket to the body.
3. Remove the beep.
4. If necessary, unscrew the fastening nut and remove the bracket from the signal housing.
5. Clean the oxidized signal contacts.
6. To adjust the signal, clamp it by the bracket in a vise and connect the battery to the signal contacts. By turning the adjusting screw in the appropriate direction, achieve the desired sound of the signal. If the horn volume cannot be adjusted, replace the horn.
7. Install the horn in reverse order.