Trailer Brake Lever

Gen5Cas DM Ch. 04.07.01

Note: See the Brake Systems chapter for detailed information about brake systems.

If equipped, the trailer brake lever is used for applying the trailer service brakes without applying the tractor service brakes. It is mounted on the right-hand control panel. See Fig. . This hand brake can be used for fifth wheel sliding or to check for air leaks in the trailer service line. The trailer brake only works while the trailer air supply is pressurized.

Note: If there is a fault in the EBS, the trailer brake lever may not be functional.

Warning: Do not use the trailer service brakes for parking; they are not designed for this purpose. If air bleeds out of the trailer air tank during parking, the vehicle could roll, causing serious personal injury or property damage.

Important: Do not hang items on the trailer brake lever.

  1. Trailer Brake Lever

  2. Trailer Air Supply Switch (red octagon)

  3. Parking Brake Switch (yellow diamond)

Fig. 1, Dash-Mounted Brake Controls

Note:
Parent topic: Dash-Mounted Brake Controls
Document Number: 0000157227
Manual Publication Date: 2025-03-10
Topic Publication Date: 2025-06-01