Forum Discussion
Kayteg1
Jan 10, 2020Explorer II
RAS43 wrote:
That air line is hooked to the emergency glad hand which fills the trailer's air tank and releases the parking brake. The other glad hand is the service side which applies the brakes when the tractor foot valve or hand valve are applied. Without an air hose there is no way to apply brakes. Pretty hard to stop with only the pickup brakes.
The way the air brakes work is that once you dump the air, the spring will apply emergency/parking brakes.
Not really useable for traffic driving, but brake is brake.
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