Main elements of the ignition control system
1. Bimetallic vacuum distributor; 2. Damping valve; 3. Brown coloring; 4. Auxiliary diaphragm of the ignition distributor; 5. Main diaphragm of the ignition distributor; 6. Ignition advance channel
The system is designed to reduce the content of hydrocarbons and nitrogen oxides in exhaust gases when the engine is not warmed up.