BRAKE SYSTEM
Braking: dissipation of amount of kinetic energy into heat energy so as to retard wheel motion is called breaking.
IRAB-1 brake system - Locomotive fitted with IRAB-1 brake system can work only on air brake stock.
Various valves and cocks are provided in IRAB1 brake system
A9 Valve - It is pressure reducing, pressure maintaining and self lapping valve. It is provided on both control stands; it reduced main reservoir pressure 8-10 kg/cm² to 5 kg/cm² and has 4 ports 30, 5, 1 and exhaust. Its handle has 5 positions -
