Trans 104.03(6)(b) (b) Being re-examined to determine the person’s ability to understand the meaning of common highway signs.

Trans 104.03(7) (7) CMV pre-trip inspection tests.

Trans 104.03(7)(a) (a) A pre-trip inspection test shall be conducted prior to any commercial motor vehicle skills test on the vehicle in which the license applicant is to be tested.

Trans 104.03(7)(b) (b) The pre-trip inspection shall test the person’s ability to inspect vehicle components for road worthiness and shall include identification and inspection of:

Trans 104.03(7)(b)1. 1. Fluid systems for leaks and levels.

Trans 104.03(7)(b)2. 2. Any interference with clear visibility for the driver.

Trans 104.03(7)(b)3. 3. Wheels, rims and tires.

Trans 104.03(7)(b)4. 4. Drive train, suspension, steering and brake systems.

Trans 104.03(7)(b)5. 5. Engine components and belts.

Trans 104.03(7)(b)6. 6. Gauges, meters and indicators.

Trans 104.03(7)(b)7. 7. Lights.

Trans 104.03(7)(b)8. 8. Coupling systems.

Trans 104.03(7)(b)9. 9. Cargo loading and securing.

Trans 104.03(7)(b)10. 10. Trailer or cargo area components.

Trans 104.03(7)(b)11. 11. Required safety and emergency equipment.

Trans 104.03 Note Note: Forms MV3542, CDL Pre-trip Inspection Combination Vehicle and MV3560, CDL Pre-trip Inspection Straight Truck/Bus are used by motor vehicle examiners to conduct these tests. Copies of the forms may be obtained from an examiner and are provided to each driver as a report of the applicant’s test result.

Trans 104.03(8) (8) Air-brake pre-trip inspection.

Trans 104.03(8)(a) (a) An air-brake pre-trip inspection test shall be conducted prior to any commercial motor vehicle skills test on the vehicle in which the license applicant is to be tested if that vehicle is equipped with air brakes.

Trans 104.03(8)(b) (b) To pass an air-brake pre-trip inspection a person must successfully complete all of the following air-brake system inspections:

Trans 104.03(8)(b)1. 1. Determine the motor vehicle’s brake system condition for proper adjustment and that air system connections between motor vehicles have been properly made and secured.

Trans 104.03(8)(b)2. 2. Inspect the low pressure warning devices to ensure that they will activate in emergency situations.

Trans 104.03(8)(b)3. 3. Ascertain, with the engine running, that the system maintains an adequate supply of compressed air.

Trans 104.03(8)(b)4. 4. 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.

Trans 104.03(8)(b)5. 5. Operationally test the brake system for performance.

Trans 104.03(8)(b)6. 6. Locate and verbally identify the air-brake operating controls and monitoring devices.

Trans 104.03(8)(b)7. 7. Ascertain whether the emergency braking system will activate properly.

Trans 104.03(8)(b)8. 8. Ascertain, with a fully charged air system and the engine off, the rate at which air is lost from the system.

Trans 104.03 Note Note: These tests are required under 49 CFR 383.135 and 383.113(c)(1).

Trans 104.03 History History: Cr. Register, July, 1996, No. 487, eff. 8-1-96; am. (4), cr. (8) (b) 6., 7., and 8., Register, August, 2000, No. 536, eff. 9-1-00; CR 22-048: am. (5) (h) Register July 2023 No. 811, eff. 8-1-23.