TM 1-1520-238-T-6
9–442
Change 3
9–189. CIRCUIT PROTECTION SYSTEM (AC ESSENTIAL BUS 2 – PILOT STATION) –
9–189
MAINTENANCE OPERATIONAL CHECK (cont)
Task
Result
l. On pilot ELEC PWR panel, set BATT/EXT
PWR switch to OFF. Detach P1 and P2.
m. On pilot ELEC PWR panel (fig. 9–165), set
BATT/EXT PWR switch to EXT PWR.
Check for 115 VAC at P2-c, P2-d, and P2-e.
If 115 VAC is not present, go to paragraph 9–196.
n. Check for 115 VAC at P2-A, P2-B, and
P2-C.
If 115 VAC is not present, go to paragraph 9–193.
o. Check for 115 VAC at P2-K, P2-L, and
P2-M.
If 115 VAC is not present, go to paragraph 9–194.
p. Check for 115 VAC at P1-23.
If 115 VAC is not present, go to paragraph 9–197.
q. Check for 115 VAC at P1-35.
If 115 VAC is not present, go to paragraph 9–198.
r. Check for 115 VAC at P1-9.
If 115 VAC is not present, go to paragraph 9–192.
s. On pilot ELEC PWR panel, set BATT/EXT
PWR switch to OFF. Attach P1 and P2.
2. Perform EXTERNAL POWER – POWER DOWN (para 9–46).
END OF TASK
