TM 1-1520-238-T-6
9–211
9–45.
EXTERNAL POWER – POWER UP (cont)
9–45
NOTE
If any of the following circuit breakers do not stay closed, continue with this power
up procedure. Circuit breaker troubleshooting is included in the maintenance
operational check.
1. On pilot circuit breaker panels (fig. 9–117), check that that the following circuit breakers are closed:
Circuit Breaker Panel
Circuit Breaker
Aft
POWER XFMR RECT 1
Aft
POWER XFMR RECT 2
Center
LT CAUT
CENTER
AFT
M69-089
POWER XFMR
RECT 1
POWER XFMR
RECT 2
LT CAUT
Figure 9–117.
Pilot Circuit Breaker Panels
2. Perform the external power power up as follows:
Task
Result
a. On pilot ELEC PWR panel (fig. 9–118),
place BATT/EXT PWR switch to EXT PWR.
Check that power comes on.
If power does not come on, press the EXT PWR
RESET switch. If power still does not come on, go to
paragraph 9–49 to troubleshoot external power and
ground service utility receptacle.
