Technician A says that when air is charged to a trailer with a spring brake priority system,it is directed to the hold-off chambers of the spring brakes BEFORE the reservoirs are charged.Technician B says that when a trailer is equipped with a spring brake priority system the air tanks must be fully charged with air before the parking brakes can be released.Who is correct?

Question

Quizplus · Accepted Answer

In a spring brake priority system, air is directed to the hold-off chambers of the spring brakes before the reservoirs are charged, allowing the parking brakes to be released before the air tanks are fully charged.

Technician a Says That When Air Is Charged to a Trailer