Air System (pt 1)

Question 1

What are the three air compressors?

Answer 1

1. Engine driven compressor 12v DC
2. Engineers compartment: kussmaul aux120volt
3. Air steps: Kussmaul 12v DC compressor

Question 2

Explain the Kussmaul 12v DC compressor for the air steps

Answer 2

1. Runs whenever step system air gets below 85
2. Will not supply air to main supply system [This is a separate system from the other air compressors; Both of the other compressors will provide compression to this system but this system has a check valve that will not allow air to the other systems]
3. Does not have to be running nor plugged in

Question 3

Explain the step air circuit

Answer 3

1. Guage for air step air system in 2017 and newer trucks on driver seat
2. newer trucks have air drain valves in passenger rear step as well as the driver side
3. If the steps are not coming up it could be air tanks full of water or the sensor is not being engaged;