TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
v. AFES, ENGINE (continued).
(7) AFES MEGOMETER TROUBLESHOOTING
PROCEDURES (continued).
1. 1. Turn the engine AFES T/A panel
Maintenance switch to the maintenance posi-
tion and check the green POWER ON lamp
to make sure the AFES is not powered.
2. Disconnect the engine AFES T/A panel
from the test box and return the AFES to its
normal configuration.
3. Turn the engine AFES T/A panel
Maintenance switch to the horizontal position
and check the green POWER ON lamp to
verify the AFES is powered.
4. Observe the engine AFES T/A panel FEXT
LED’s for fault indication.
J.
1. Locate the fire extinguisher cylinder bottle
indicated as faulty by the engine AFES T/A
panel LED and disconnect it from wire harness
12352354.
2. Using extension cable TC6, connect fire
extinguisher wire harness 12352354 connec-
tor P2 or P3 (from fire extinguisher) to connec-
tor TJ6 of the test box (this simulates a good
fire extinguisher cylinder bottle).
3. Observe the engine AFES T/A panel fault
LED.
Replace fire extinguisher cylinder bottle
(para 21-4). Verify problem is solved.
Repair leads 788E, 789E, or 793E in P2
connector, or leads 793F or 794 in P3 connector,
or replace wire harness 12352354 (para 7-78).
Verify problem is solved.
END OF TASK
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