TM 1-1520-238-T-6
9–598
9–304. CIRCUIT PROTECTION SYSTEM (DC EMERGENCY BUS – CPG STATION) –
9–304
MAINTENANCE OPERATIONAL CHECK (cont)
NOTE
If referenced out of one paragraph or volume into another for additional
troubleshooting, upon completion of the task, return to the maintenance
operational check for the original paragraph or volume.
1. Complete the maintenance operational check as follows:
Task
Result
a. On pilot ELEC PWR panel (fig. 9–194),
place BATT/EXT PWR switch to EXT PWR.
M69-256
BATT / EXT PWR
SWITCH
Figure 9–194.
Pilot ELEC PWR Panel
b. Close all CPG dc emergency circuit
breakers (fig. 9–195).
If EMERG BATT ICS circuit breaker (CB13) does not
stay closed go to paragraph 9–306.
If EMERG BATT VHF AM/FM circuit breaker (CB32)
does not stay closed, go to paragraph 9–307.
If EMERG BATT ENG INST circuit breaker (CB31)
does not stay closed, go to paragraph 9–308.
If EMERG BATT UTIL SEC LT circuit breaker (CB30)
does not stay closed, go to paragraph 9–309.
If EMERG BATT CAUT circuit breaker (CB29) does
not stay closed, go to paragraph 9–310.
c. On pilot ELEC PWR panel, set BATT/EXT
PWR switch to OFF and remove CPG circuit
breaker panel 1 (TM 1-1520-238-23).
Detach P766 and P769.
