| 摘要 |
A relatively simple and inexpensive apparatus for testing at least the air brakes of trailers includes a portable air-brake governing or actuation system and a hand-held control pendent, operating off an independent compressed air supply. Without the coupling of, and connections with, a tractor, the air brakes of a trailer can be applied and released, and held in a charged mode for a period of time during which any loss of air pressure can be monitored. Using the apparatus a single person can conduct the entire air brake test process, including applying and releasing the brakes while simultaneously visually and manually inspecting the brakes.
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