Typical AIR engine system 2F
1. Thermal vacuum distributor; 2. Bypass air valve (ABV valve); 3. Pneumatic switch; 4. Vacuum distributor; 5. Control air valve; 6. Pressure reducing valve; 7. Air pump
Typical AIR system of the 3F-E engine
1, 6. Control pneumatic valve; 2. Vacuum distributor; 3. pneumatic switch; 4. Silencer; 5. Air pump
The system is designed for forced post-oxidation (afterburning) hydrocarbons and carbon monoxide by supplying pressurized fresh air.