TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
v. AFES, ENGINE (continued).
(7) AFES MEGOMETER TROUBLESHOOTING
PROCEDURES
Initial Setup:
Tools/Test Equipment:
l Engine AFES Test/Alarm panel MAINT switch in
l Digital multimeter (DMM) (Item 13, Appendix 1)
maintenance position (para 21-2).
l Megometer kit (Item 37, Appendix 1)
l AFES fire extinguisher bottle harnesses
disconnected (para 7-78).
Equipment Conditions:
l MASTER switch set to OFF (refer to TM
9-2350-287-10).
NOTE
l Instead of using multi meter
for voltage check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 maybe performed.
l Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A.
1. Make sure the green POWER ON lamp is
off, indicating the power has been removed
from the AFES.
2. Connect the test box to engine AFES T/A
panel and wire harness 12352354 connector
using test cables TC4 and TC5.
3. Set the test box switches as follows:
a. FIREWIRE TEST to NORMAL
b. AUTO FEXT to ACTIVE
c. MAN FEXT to ACTIVE
4. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
5. Turn the engine AFES T/A panel
Maintenance switch to the horizontal posi-
tion and check to see that the green POWER
ON lamp is on, indicating that the AFES is
powered and fully operational.
6. observe the test box Ieds.
Continued on next page
2-338
