Operation Airbrake Inspection Procedure
Inspection Items
- Driver's license
- Registration
- Low air warning device
- Pushrod travel (adjustment)
- Brake linings/drums
- Air loss rate (if leak detected)
- Tractor protection system
Operation Air Brake Inspection Procedure
Step 1: Choose the inspection site
Step 2: Safety considerations
Step 3: Check air brake mechanical components
Step 4: Check steering axle air brake mechanical components
Step 5: Ensure the air pressure is 90-100 psi
Step 6: Check brake adjustment
Step 7: Check the tractor protection system
Step 8: Check the air brake ABS system (if applicable)
Step 9: Test low air pressure warning device
Step 10: Test air loss rate
Step 11: Finalize paperwork and provide the results to the driver (e.g., out-of-service, etc.)
393.40-393.55 | Subpart C - Brakes | DOT Interpretations? |
|---|---|---|
393.40 | ||
393.41 | ||
393.42 | ||
393.43 | ||
393.44 | ||
393.45 | Brake tubing and hoses; hose assemblies and end fittings. (opens in a new tab) | |
393.46 | ||
393.47 | Brake actuators, slack adjusters, linings/pads and drums/rotors. (opens in a new tab) | |
393.48 | ||
393.49 | ||
393.50 | ||
393.51 | Warning signals, air pressure and vacuum gauges. (opens in a new tab) | |
393.52 | ||
393.53 | Automatic brake adjusters and brake adjustment indicators. (opens in a new tab) | |
393.55 | ||
Appendix G | Appendix G to Subchapter B—Minimum periodic inspection standards (opens in a new tab) | |
NOTE: When you access these regulations by clicking on the links, you are leaving CVSA's website and visiting the U.S. Department of Transportation's Federal Motor Carrier Safety Administration website.