The Commercial Drivers License (CDL)
 

The Commercial Drivers License

INSIDE CHECKS

The Examiner will ask you to make certain checks on the inside of your vehicle. You will check the steering wheel, brake pedal, clutch pedal, and accelerator pedal.

Examiner Says

• When directed, you are to inspect some of the controls of your vehicle making sure that they are in safe operating condition. Explain what you are checking for as you check each item. Do you have any questions? You may begin by checking the steering wheel.

You Will

• Tell the Examiner if your vehicle is equipped with power steering.

Examiner Says

• Check the steering wheel.

You Will

• Check steering wheel by (vehicles with power steering must start engine to perform check): - Work the steering wheel from left to right while watching the front tire for free play. Play must be no more than 10 degrees. (2 inches in a 20 inch steering wheel)

Examiner Says

• Now check the brake pedal.

You Will

• Operate and check the brake pedal for: - Freedom of movement. No binding. - Play - pedal does not go to the floor.

Examiner Says

• Now check the clutch pedal.

You Will

• Operate and check the clutch pedal for: - Freedom of movement. No binding. - Free play - not less than one inch free play. - Clutch pedal not going to the floor before disengaging.

Examiner Says

• Now check the accelerator pedal.

You Will

• Operate and check the accelerator pedal for: - No binding.

BRAKE CHECKS

The Examiner will ask you to make checks of your braking system. You will need to check only the brakes that apply to your vehicle.

Examiner Says

• When directed, perform a test operation of the vehicle’s braking system. You don’t need to inspect the individual parts, simply test whether the brakes work properly. You do not need to leave the cab for this test. Any questions?

• Check your hydraulic brakes.

You Will

• Operate and check hydraulic brakes by: - Pump the pedal three times and hold firmly for five seconds. - Check to see if pedal moves or settles. The pedal should not move.

Examiner Says

• Check your parking brake.

You Will

• Operate and check the parking brake by: - Applying the parking brake and trying to pull forward; or, - Pulling forward slowly and applying the parking

Examiner Says •

Check service brake:

You Will

• Operate and check the service brake by: - Pulling forward slowly and applying the service brake.

Examiner Says

• Check trailer brakes.

You Will

• Operate and check the trailer brakes by using hand valve (use trailer air supply valve only when vehicle is not equipped with hand valve): - Applying trailer brakes and trying to pull forward or: - Pulling forward slowly and applying trailer brakes.

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