(3)
The APU supplies oil to cool and lubricate the generator. Oil enters and exits through holes in the mounting flange. Exiting oil is cooled and filtered by the APU before it is returned to the APU generator.
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MAINTENANCE MANUAL
SEE GENERATOR APU B SEE A YGLOC-LBF-48-01 FWD UP
FRONT VIEW A UP ELECTRICAL CONNECTOR LIFTING BOSS TERMINALS OUTPUT
SPLINE
ELECTRICAL CONNECTION
SEE C
TERMINALS OUTPUT UP
APU GENERATOR FWD
BUTTON HOLE FLANGE B
OIL INPUT OIL OUTLET REAR VIEW C SPLINE
APU Generator Component Location Figure 1
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FAULT ISOLATION/MAINT MANUAL
POWER AND REGULATION
Power and Regulation - Component Index
Figure 101
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E45043
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757
FAULT ISOLATION/MAINT MANUAL
315AL/316AR
313AL
FWD
APU
GENERATOR
AUXILIARY POWER
UNIT (APU)
SEE A
AUXILIARY POWER UNIT (APU) (VIEW IN THE AFT DIRECTION)
A
Power and Regulation - Component Location Figure 102
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POWER AND REGULATION - ADJUSTMENT/TEST
______________________________________
1. General_______
A. This procedure has two tasks. The first task does an operational test of the APU generator system. The second task does a system test of the APU generator system.
TASK 24-21-00-715-001
2. Operational Test - APU Generator________________________________
A. General
(1)
The operational test does these tests:
(a)
The BITE (Built-in-Test Equipment) Test
(b)
The APU Generator Test
(2)
If the spoilers are extended, and electrical power is removed, the spoilers will retract in less than one second.
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Do the deactivation procedure for the spoilers (AMM 27-61-00/201) or move all persons and equipment away from the spoilers.
B. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
(3)
AMM 49-11-00/501, Auxiliary Power Unit (APU)
C. Access
(1)
Location Zones
212 Flight Compartment (RH Side)
119/120 Main Equipment Center
(2)
Access Panels
119BL Main Equipment Center Panel
D. Prepare for the Test
S 865-003
(1) Supply external power to the 115V ac buses (AMM 24-22-00/201).
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