The emergency procedure for isolating a malfunctioning Ground Power Unit (GPU) connected to an aircraft is designed to quickly disconnect the power supply and prevent damage to the aircraft's electrical system or injury to personnel. The first step is to immediately disconnect the GPU cable from the aircraft. Most GPU cables have a quick-disconnect mechanism that allows for rapid removal. Activate this mechanism to separate the cable from the aircraft's external power receptacle. Simultaneously, shut down the GPU. Locate the emergency shut-off switch on th....
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