California Commercial Learner's Permit & CDL Preparation California CDL Commercial Handbook
Air-brake vehicles

Air Brakes

System components, inspection, warning devices, stopping, parking, failures, and the air-brake restriction.

Build and test pressure

Know compressor, governor, tanks, warning devices, spring brakes and leakage checks.

Air adds brake lag

Total stopping distance includes the time needed for air to reach brake chambers.

Control heat on downgrades

Use a proper gear and braking technique before fade develops.

Module progressNot completed