Brake Checks CDL Order List

Build the pressure up to 120psi Release the Parking Brake Knob, Put it into first, Kill the Engine, and then Turn the Key Over

What is the first the first thing you do for Brake Checks?

Applied Brake Check

After Turning the Key Over what's next?

Press and Hold Brake wait for initial loss then once it levels out press and hold brake for one minute

What is Applied Brake Check?

3 psi in one minute

You should not loose more than ___ psi in ___ on Applied Brake Check?

Low Air Warning Check

What is after Applied Brake Check?

Fan the Brakes

What is Low Air Warning Check?

60 psi

When fanning the brakes the Low Air Warning light should come on at?

Emergency Brake Check

What is after Low Air Warning?

Fanning the Brakes again

What is Emergency Brake Check?

20-45 psi

When fanning your brakes again the Emergency Brake knob should pop out at?

Start your engine and be in Neutral

What is after Emergency Brake Check?

Governor Cut In

Once you Start your engine and are in Neutral, After your Emergency Brake Check what is next?

Assisting the engine at 1500 RPMs and timing it

What is Governor Cut In?

70psi

When assisting the engine for Governor Cut In when do you take your foot off the pedal?

85-100 psi and in 45 seconds or less

After you hit 70psi then you time the Air Gauge Needle from ___ to ___ psi and it should build in ___ seconds or less

Governor Cut Out

What is after Governor Cut In?

Assisting the engine at 1500 RPMs again

What is Governor Cut Out?

Sharp Hiss and Popping of Parking Break Check

When assisting the engine for Governor Cut Out what are you waiting to hear?

130-135 psi

At what psi should we hear the Sharp Hiss?

Put the truck in First Gear for First Break Check

What is after Governor Cut Out?

Parking Brake Check

After you put your truck into First Gear, After Governor Cut Out What is next?

Tug against the Parking Brake (no gas)

What is Parking Brake Check?

Trailer Brake Check

What is after Parking Brake Check?

Release Park Brake

What do we do before Testing our Trailer Brake?

Pressing and Holding the Trailer Brake and slight role

What is Trailer Brake Check?

Service Brake Check or 5mph Role

What is after Trailer Brake?

Pulling or Unusual Feel

When doing your 5mph role what are you looking for?