2-300
Change 4
TM 9-2350-267-20
ENGINE AUTOMATIC FIRE EXTINGUISHING SYSTEM
FIRE DETECTION TEST AND ALARM
FAULT LAMP REMAINS ON. AUTO LED IS LIT.
PANEL INDICATORS
(EFFECTIVE FOR VEHICLES 245 and ABOVE)
Before trouble shooting AFES, check the following
1 Make sure MASTER switch is set to OFF (TM 9-2350-267-10).
2 Left projectile rack is moved to the rear of vehicle (TM 9-2350-267-10).
3 Engine AFES T/A panel Maintenance switch is turned to maintenance
position (p14-14.3).
NOTE
l Instead of using multimeter for voltage check, STE/ICE troubleshooting,
INDIVIDUAL BATTERY VOLTAGE TEST-TEST 89 may be performed.
l Instead of using multimeter for continuity check, STE/ICE troubleshooting,
TEST 91 maybe performed.
A Check for protruding flow indicator of valve actuator of engine fire extin-
guisher No. 1. Check pressure gage of engine fire extinguisher No. 1 and
make sure black needle is on green temperature wedge.
B If flow indicator is protruding, reset flow indicator of valve actuator by
pushing it into valve body. If pressure gage indicates low pressure, replace
engine fire extinguisher cylinder bottle No. 1 (p 14-27). Verify problem is
solved. If flow indicator and pressure gage reading are ok, go to step C.