TM 55-1520-240-23-1
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APPLY EXTERNAL ELECTRIC POWER
1-37
INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Power Supply, 28 VDC
Electrical Power Supply, 115/200 Volt, 3-Phase,
Grounded Neutral, 400-Hz AC
Aviation Ground Power Unit (AGPU)
Materials:
None
Personnel Required:
Aircraft Electrician
References:
TM 55-1730-229-12
TM 55-1730-229-34
Equipment Condition:
Battery Connected (Task 1-39)
External Dc-Ac Power Receptacle Access Door Open
(Task 2-2)
Service life of gyroscopes can be
reduced under power. Open the
following circuit breakers when
applying power unless noted:
NO BREAK - WORK HARDER
PDP NO. 1
COMPASS (2)
COPILOT VGI
AFCS NO. 1
PDP NO. 2
PILOT VGI
AFCS NO. 2
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