![]() It should be emphasized that, the arc displayed on the ECAM WHEEL page, suggesting the selection of brake fans at taxi out, should be ignored for taxi in. However, when turnaround times are short, or brake temperatures are likely to exceed 500☌, use the brake fans (forget oxidation). The Airbus recommendations mentioned below have been amended to reflect the advantages (claimed by all brakes manufacturers) provided by taxing with hot brakes, while also taking care of possible oxidation problems.īrake fans selection should be delayed for a minimum of about 5 minutes or at the gate (whichever occurs first), to allow for thermal equalization and stabilization and thus avoid oxidation of brake surface hot spots. If temperature is above 150☌, delay takeoff until 150☌ is reached with fans running, then switch them OFF. If the brake fans are running, check that brake temperature is below 150☌ (except ABS - see general remarks below). Recommended by Messier-Bugatti and Honeywell-ALS. The brake temperature for taxi will be in the appropriate areas, regarding brake wear, as Max energy rejected takeoff will be sustained. If an arc is displayed on the ECAM WHEEL page, above the brake temperature (indicating a brake temperature > 100☌), select brake fans ON.
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