Let me show you how to replace APU (Auxiliary Power Unit)

What is function of the APU?
In order to permit A/C ground operation independent of electric and pneumatic ground power, the A/C is equipped with an auxiliary power system. The A/C thus can be powered up autonomously, allowing the operator to service at airports without adequate ground power facilities.
In-flight availability of the auxiliary power system permits A/C operation under MEL-conditions and under ETOPS.

How to replace the starter:    • ATA 49 How to replace Starter on A320...  
How to replace the generator:    • How to replace APU Generator on A320  

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