2-304Change 4TM 9-2350-267-20ENGINE AUTOMATIC FIRE EXTINGUISHING SYSTEMFIRE DETECTION TEST AND ALARMPANEL INDICATORSFAULT LAMP REMAINS ON. MANUAL LED IS LIT.(EFFECTIVE FOR VEHICLES 345 and ABOVE)Before troubleshooting AFES, check the following1 Make sure MASTER switch is set to OFF (TM 9-2350-267-10).2 Left and right projectile racks is moved to the rear of vehicle (TM9-2350-267-10).3 Engine AFES T/A panel Maintenance switch is turned to maintenance position(p 14-14.3).NOTEl 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 cylinder bottle No. 2. Loosen clamps and remove ventilation ducthose (p 14-62). Check pressure gage of engine fire extinguisher cylinderbottle No. 2 to make sure black needle of the gage is in green temperaturewedge.B If flow indicator is protruding, reset flow indicator of valve actuator bypushing it into valve body. If pressure gage indicates low pressure, replaceengine fire extinguisher cylinder bottle No. 2 (p 14-27). Verify problem issolved. If flow indicator and pressure gage reading are ok, go to step C.
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