Editing Regulation Quick Reference (section)

== 393 – Parts and Accessories Necessary for Safe Operation ==

=== Lighting, Electrical, and Glass ===
* '''[[392.7]]''' – Pre-trip inspection (said he did but found multiple violations).
* '''[[393.9]]''' – Inoperable lights / '''[[625 ILCS 5/12-202]]''' no clearance, id (3), side marker lamps), '''[[625 ILCS 5/12-209]]C''' reverse light.
* '''[[393.11]]''' – Missing lamps.
* '''[[393.13]]''' – Retroreflective strips.
* '''[[393.19]]''' – Hazard lights.
* '''[[393.23]]PT''' – All lights inoperable due to electric connection / '''[[625 ILCS 5/12-201]]b''', '''[[625 ILCS 5/12-208]]''', '''[[625 ILCS 5/12-201]]c'''.
* '''[[393.24]]a''' – Headlamps '''[[625 ILCS 5/12-201]]'''.
* '''[[393.24]]b''' – Fog lamps (used instead of headlights) / '''[[625 ILCS 5/12-207]]b''' more than 3 aux lamps.
* '''[[393.25]]''' – Lamps.
* '''[[393.28]]''' – Electrical wiring.
* '''[[393.30]]''' – Battery.
* '''[[393.60]]''' – Tint violation: Not less than 70% light transmission ('''[[625 ILCS 5/12-503]]''' for Illinois registered).

=== Brakes ===
* '''[[393.40]]''' – Brakes / '''[[625 ILCS 5/12-301]]''' (unplugged red/blue air line, e-brake cable/battery, no in-cab brake controller).
* '''[[625 ILCS 5/12-602.1]]''' – "EXCESSIVE ENGINE BRAKING NOISE PROHIBITED" – must be posted.
* '''[[393.43]]a''' – Tractor protection valve or trailer safety valve (45-20 PSI activation).
* '''[[393.43]]d''' – Emergency breakaway device required.
* '''[[393.45]]b''' – Brake tubing: Secured against chafing, kinking, or contact with exhaust or tires.
* '''[[393.45]]c''' – Spring guards (hard plastic part of air line at connection that stops kinks).
* '''[[393.45]]d''' – Air line connection leaks.
* '''[[393.47]]a''' – Contaminated pads.
* '''[[393.47]]b''' – Mismatched chambers.
* '''[[393.47]]d''' – Cracked pads ('''[[625 ILCS 5/12-301]]''' look under trailer and see cracked pads).
* '''[[393.48]]''' – Unattached brake air hose ('''[[625 ILCS 5/12-301]]''' brake violation: Red = Emergency brake, Blue = Service brake).
* '''[[393.51]]''' – Low air warning (gauge required, '''audible OR visual''').
* '''[[393.55]]c2''' – Trailer ABS not functioning ('''[[625 ILCS 5/12-301]]''').
* '''[[393.55]]e''' – In motion ABS light flashing ('''[[625 ILCS 5/12-301]]''').

=== Coupling Devices, Tires, and Accessories ===
* '''[[393.70]]a''' – Defective coupling device: Improper tracking, safety chains stretched ('''[[625 ILCS 5/12-101]]''').
* '''[[393.71]]h10''' – 2 Safety chains required (tow-away operation).
* '''[[393.75]]''' – Tires: Flat, flopping, bulges, unsafe tire ('''[[625 ILCS 5/12-405]]C''').
* '''[[393.75]]a''' – Flat tire, belt exposed.
* '''[[393.75]]b''' – Steer tire no less than 4/32”.
* '''[[393.75]]c''' – Other tire no less than 2/32”.
* '''[[393.75]]g''' – Over tire load rating: Must weigh at scale.
* '''[[393.78]]''' – Inoperable wipers/sprayer ('''[[625 ILCS 5/12-503]]d''').
* '''[[393.81]]''' – Horn required (at least one).
* '''[[393.83]]''' – Exhaust: Rear of cab, not below fuel tank, no temp repairs, leaks.
* '''[[393.95]]''' – Fire extinguisher required (secured, not empty).
* '''[[393.95]]''' – Warning devices required (3 triangles, cones, or flares). 
** Use '''[[392.22]]''' if stopped on the roadway/shoulder and none are placed.
** *IF A .95 VIOLATION IS FOUND, ALSO LIST '''[[392.8]]''' FAILURE TO INSPECT/USE EMERGENCY EQUIPMENT ('''[[625 ILCS 5/12-702]]''').

=== Frames, Wheels, and Suspensions ===
* '''[[393.201]]a''' – Frame cracks.
* '''[[393.201]]d''' – Frame accessories: Improper or not to manufacturer's repair specs.
* '''[[393.205]]c''' – Wheel fasteners loose/missing (i.e., lug nuts).
* '''[[393.207]]a''' – Axle positioning parts loose/improper tracking.
* '''[[393.207]]f''' – Air suspension pressure loss.