2. Make sure coupling area is flat, level, and clear of persons and obstacles. 3. Tilt ramps of fifth wheel downward. 4. Make sure locks are open. If locks are closed: Manual Release: If equipped with ...

Daily vehicle inspection requirements include a check of the operational parts of an air brake system, like the governor, the air compressor and the low-air-pressure warning devices. This portion of ...

Safim was awarded at the Technical Innovation contest of Eima International 2020-2021 with a new solution for the hydraulic brake system of towed agricultural vehicles. Maurizio Collavini, Trailer ...

As much as I enjoy driving tractor-trailers, one thing that has irked me for many years is the parking brake valves on the dashboard. The two push-pull valves -- the yellow one for tractor brakes and ...

On August 1, 2011 a new air brake standard for three-axle tractors with Gross Vehicle Weight Ratings (GVWRs) up to 59,600 lbs. took effect. This rule applies to tractors invoiced after August 1, 2011.

Plumbing up a trailer with air-brakes might be almost as simple as tying your laces, but it’s a different story with tractor pneumatics. While the system itself is beautifully straightforward in ...