Deliver air from the air compressor to the air tanks | |
Allow water and oil to be expelled from air tanks | |
Deliver air from the air tanks to the air brakes | |
Allow excess air pressure to be released from air tanks |
On the air compressor | |
On the last air tank connected to the air compressor | |
On every air tank connected to the air compressor | |
On the first air tank connected to the air compressor |
Duty, parking and emergency brakes | |
Standard, parking and emergency brakes | |
Service, parking and emergency brakes | |
Parking and emergency brakes |