After pushing in the trailer supply valve, you should not move the tractor until the air system is:
A. Charging
B. At normal pressure
C. Between 50 and 60 psi
Answer: B. At normal pressure
A. Charging
B. At normal pressure
C. Between 50 and 60 psi
Answer: B. At normal pressure
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.