§383.113 Required skills.
(c) Air brake skills. Except as provided in §383.95, all applicants shall demonstrate the following skills with respect to inspection and operation of air brakes:
(c)(1) Pre-trip inspection skills. Applicants shall demonstrate the skills necessary to conduct a pre-trip inspection which includes the ability to:
(c)(1)(i) Locate and verbally identify air brake operating controls and monitoring devices;
(c)(1)(ii) Determine the motor vehicle's brake system condition for proper adjustments and that air system connections between motor vehicles have been properly made and secured;
(c)(1)(iii) Inspect the low pressure warning device(s) to ensure that they will activate in emergency situations;
(c)(1)(iv) Ascertain, with the engine running, that the system maintains an adequate supply of compressed air;
(c)(1)(v) Determine that required minimum air pressure build up time is within acceptable limits and that required alarms and emergency devices automatically deactivate at the proper pressure level; and
(c)(1)(vi) Operationally check the brake system for proper performance.
§392.7 Equipment, inspection and use.
No commercial motor vehicle shall be driven unless the driver is satisfied that the following parts and accessories are in good working order, nor shall any driver fail to use or make use of such parts and accessories when and as needed:
Service brakes, including trailer brake connections.
Parking (hand) brake.
Steering mechanism.
Lighting devices and reflectors.
Tires.
Horn.
Windshield wiper or wipers.
Rear-vision mirror or mirrors.
Coupling devices.