14-60
Change 4
TM 9-2350-267-20
ENGINE AUTOMATIC FlRE EXTINGUISHING SYSTEM (VEHICLES 1 THRU 344) (CONTINUED)
F
Ture MASTER switch ON and observe engine T/A panel lights. Check for
following Sequence:.
1 Green POWER ON light comes on immediately and stays lit.
2 Within 6 seconds, green PASS TEST light comes on.
3 PASS TEST light will go out.
4 Yellow FAULT light will come on and remain on.
G
H
I
J
K
L
M
Press LAMP TEST toggle switch down and inspect all four lamps.
Replace defective bulbs.
Lift fault identifications access cover. If any LED does not light when
LAMP TEST toggle switch is pressed, replace engine T/A panel (p 14-
39).
WARNING
If T/A panel POWER ON lamp does not go out when
T/A panel MAINTenanee switch is turned to vertical
position, disconnect battery ground lead. DO NOT
CONTINUE TEST. Troubleshoot AFES (p 2-281).
Turn engine T/A panel MAINTenance switch to vertical position. All
lights on T/A panel should go out.
Connect electrical connectors to engine AFES extinguisher bottle
actuators.
Turn engine T/A panel MAINTenance switch to horizontal position and
observe panel lights. Sequence will be the same as in step F, except
yellow FAULT light will not come on. If it does, troubleshoot engine fire
detection system (p 2-281).
Turn vehicle MASTER switch OFF. Observe engine T/A panel lights.
Green POWER ON lamp should remain lit. If not troubleshoot engine
fire detection system (p 2-281).
Turn engine T/A panel MAINTenanee switch to horizontal position.