Parts Of The Air Brake System High Road Online Cdl Training
A parking brake for this remote reservoir master cylinder brake method is a ratcheting mechanical device among the master cylinder and the rudder pedals. With the brakes applied, the ratchet is engaged by pulling the parking brake handle. To release the brakes, the rudder pedals are depressed further allowing the ratchet to disengage. With the parking brake set, any expansion of hydraulic fluid due to temperature is relieved by a…Read More