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