Which of the following is NOT on the accessory gear box?

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Multiple Choice

Which of the following is NOT on the accessory gear box?

Explanation:
The accessory gear box is the drive that powers the engine’s essential external components needed for operation, such as a hydraulic pump, a lubrication/oil pump, and an air turbine starter. These devices are mounted on and driven by the AGB because they support the engine’s systems during operation. The cooling fan, however, belongs to the engine’s cooling system and is not normally driven by the accessory gear box. It either has its own drive or is part of a separate cooling assembly, so it is not considered an AGB accessory. Therefore, the cooling fan is not on the accessory gear box.

The accessory gear box is the drive that powers the engine’s essential external components needed for operation, such as a hydraulic pump, a lubrication/oil pump, and an air turbine starter. These devices are mounted on and driven by the AGB because they support the engine’s systems during operation. The cooling fan, however, belongs to the engine’s cooling system and is not normally driven by the accessory gear box. It either has its own drive or is part of a separate cooling assembly, so it is not considered an AGB accessory. Therefore, the cooling fan is not on the accessory gear box.

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