PART B - DESCRIPTION AND FUNCTIONS OF THE AUXILIARY POWER
UNIT SYSTEMS AND COMPONENTS
1.
APU Primary Components.
Three components make up the APU: the APU engine, an electrical
starter/generator, and the primary hydraulic pump (Figure 2).
The APU is
mounted in the APU compartment which is located at the left front part of
the crew compartment. Use an access door to enter the APU compartment to
accomplish services and maintenances on the APU (Item 1, Figure 3).
Figure 2.
Location of APU Components.
Figure 3.
APU Compartment Door.
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