TM 55-1520-240-T
9-1.4
DC POWER SYSTEM OPERATIONAL CHECK
INITIAL SETUP
Applicable Configurations:
All
References:
TM 55-1520-240-23
Tools:
28 VDC External Power Source
Equipment Condition:
TM 55-1520-240-23:
Materials:
Battery Connected
None
Electrical Power Off
Hydraulic Power Off
Personnel Required:
Visual Check of Dc Power System
Aircraft Electrician (2)
Performed (Task 9-1.3)
TASK
RESULT
CHECK CIRCUIT BREAKERS
1.
Check that following circuit breakers on
If any circuit breaker (1 through 9) is open, close
No. 1 pdp are closed:
it.
BATT CHGR (1)
NO. 1 XFMR RECT (2)
DC 1 CROSSTIE (3)
NO. 1 DC BUS CONT (4)
EXT PWR CONT (5)
NO. 1 REV CUR CO (6)
CAUTION PNL (7)
ESS BUS CONT (8)
ESS BUS FEEDER (9)
2.
Check that following circuit breakers on
If any circuit breaker (10, 11, 12, or 13) is open.
No. 2 pdp are closed:
closed it.
NO. 2 XFMR RECT (10)
DC2 CROSSTIE (11)
NO. 2 DC BUS CONT(12)
NO. 2 REV CUR CO (13)
9-1.4
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