10-18-2021, 02:57 PM
If the knob pops out, then it is sensing the supply air is less than 60. The knob popping out is the built in safety feature that activates the spring load park brake because your brake supply is below 60.
What is your air pressure when you are releasing the brake?
What is your air pressure when you are releasing the brake?
Richard and Rhonda Entrekin
95 Newell, 390 Ex caretaker
99 Newell, 512 Ex caretaker
07 Prevost Marathon, 1025
Maverick Hybrid Toad
Inverness, FL (when we're home
