Weekly | |
Daily | |
Monthly | |
Never |
Allow excess air pressure to be released from air tanks | |
Deliver air from the air compressor to the air tanks | |
Deliver air from the air tanks to the air brakes | |
Allow water and oil to be expelled from air tanks |
Apply the parking brake and continuously pump the brakes | |
Engage the air brake override | |
Release the parking brake and continuously pump the brakes | |
Accelerate to 15 mph and slam on the brakes |