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BrakeDyn PBBT shown testing the front-axle brakes of the cab.
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The BrakeDyn Performance Based Brake Tester (PBBT) system dynamically tests brakes under fully applied pressure -- in a safe inspection environment -- by driving the vehicle's tires with a set of rollers. As air pressure is applied to the brake system, force produced by the brakes is measured, recorded, and displayed on a computer. Test results are instantly compared to industry standards, using the BrakeDyn PBBT's data acquisition system and printed into easy-to-read test reports, including pass/fail summaries.
A single technician operates the BrakeDyn PBBT using a hand-held remote control while monitoring and recording a battery of information (from the cab's front tires to the trailer's rear tires). In 10-12 minutes, an operator can test a five-axle tractor trailer for imbalance, oil-soaked linings, drag, improper stroke, cracked drums, worn or tight end bearings, air system problems, insufficient parking brake force and tractor/trailer incompatibility. An optional hydraulic shaker plate/lift system also allows for inspection of excessive play in kingpins and tie rods.
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